AVSN M17

PROPELLER

( @vsn_&tar_Boy )

1) Propeller convert

A.. Rotary power to thrust power

B.. Thrust power to rotary power

C.. Rotary power to leaner power

2) One arm of propeller from hub to tip called.

A.. Propeller

B.. Blade

C.. Blade station

3) Where air strike or frwd edge (thick side) of the propeller called.

A.. Blade face

B.. Trailing edge

C.. Leading edge

4) The centre portion of the propeller called.

A.. Blade shank

B.. Propeller Hub

C.. Propeller spinner

5) Where not air strike or bkwrd edge (thin side) of the propeller called.

A.. Leading edge

B.. Trailing edge

C.. Blade back

6) Curved/cambered (front from cockpit) surface of the propeller called.

A.. Blade face

B.. Blade back

C.. Trailing edge

7) Flat/thrust (front from aircraft) surface of the propeller called.

A.. Blade face

B.. Blade back

C.. Leading edge

8) The farthest portion of a propeller blade from hub is called.

A.. Blade shank

B.. Blade root

C.. Blade tip

9) The attaching part of a propeller blade from hub is called.

A.. Blade shank

B.. Blade tip

C.. Blade root

10) The attaching part of a propeller blade from hub is called.

A.. Blade base

B.. Blade butt

C.. Blade root

D.. All

11) The nearest, thickest and rounded portion of a propeller blade from hub is called.

A.. Blade shank

B.. Blade root

C.. Blade tip

12) The maximum blade angle on a propeller with counterweights called.

A.. Blade index number

B.. Blade station

C.. Both are crct

13) The reference position on a propeller blade that specified distance from the centre of the
hub called.

A.. Blade index number

B.. Blade station

C.. Both are crct

14) The thickness of a fabric covering on a outer surface of propeller is

A.. 3/4" or 2cm

B.. 12-15" or 30-38cm

C.. 5 to 9 layer uesd giving thickness

15) The saperate layer or laminates of a wooden propeller used

A.. 3-9 layer and 3/4"(2cm) thick

B.. 5-9 layer and 3/4"(2cm) thick

C.. 5-9 layer and 12-15"(30-38cm) thick

16) Front cone on the crankshaft/propellershaft which is made of.

A.. Bronze

B.. Steel

C.. Stainless Steel

17) MTCS

A.. Front cone made of steel and fitting core on the front is 30 degree

B.. rear cone made of bronze and fitting core on the rear is 15 degree

C.. Both are crct

18) Front rear on the crankshaft/propellershaft which is made of.

A.. Bronze

B.. Steel

C.. Stainless Steel

19) During tack off and climb operations

A.. Low pitch, fine pitch, high rpm, longer dia

B.. High pitch, coasre pitch, low rpm, shorter dia

C.. High pitch, coasre pitch, high rpm, longer dia

D.. Low pitch, fine pitch, high rpm, shorter dia

20) During cruise and diving operations

A.. Low pitch, fine pitch, high rpm, longer dia

B.. High pitch, coasre pitch, low rpm, shorter dia

C.. High pitch, coasre pitch, low rpm, longer dia

D.. Low pitch, fine pitch, high rpm, shorter dia

21) A propeller has the requirement of a

A.. batch no

B.. manufacturers data plate

C.. type certificate or equivalent certificate

22) How is the concentricity of a propeller shaft checked?

A.. Ring gauge

B.. Micrometer

C.. Dial Test Indicator (DTI)

23) Propeller slip rings should be

A.. lubricated with silicon grease

B.. lubricated with graphite grease

C.. cleaned and left dry

24) After the fitting of a propeller, the correct assembly can be checked by

A.. micrometer

B.. thickness gauge

C.. engineers blue or Prussian blue bearing transfer

25) Variable pitch propellers are used because they are

A.. more economical

B.. reduce vibration and noise

C.. have peak efficiency over a greater speed range

26) Unfeathering should be carried out when a turbo prop engine is running at

A.. any RPM

B.. max RPM

C.. min RPM

27) The cause of propeller out-of-track vibration is

A.. static imbalance

B.. blade stiffness not exactly matched

C.. propeller blade angle too large

28) After a lightning strike.

A.. the prop must be tracked.

B.. the propeller shaft should be checked for concentricity.

C.. the heater elements should be checked for

29) continuity and insulation After overspeeding to 110%.

A.. no action is required.

B.. return propeller for overhaul.

C.. remove propeller for inspection.

30) The power output of a turboprop engine is checked by.

A.. reference RPM.

B.. reference Thrust.

C.. reference Torque.

31) Which of the following functions requires the use of a propeller blade station

A.. Indexing blades.

B.. Propeller balancing.

C.. Measuring blade angle.

32) Blade angle is measured using a.

A.. clinometer.

B.. propeller protractor.

C.. bevel protractor.

33) In the Beta range, angle of attack increases. The fuel flow increases, and what else
increases.

A.. Fuel temperature.

B.. EPR and fuel temperature.

C.. RPM and EGT.

34) With a propeller defect, the frequency of vibration will be.

A.. higher than a auxiliary gearbox defect.

B.. lower than a turbine defect.

C.. higher than a turbine defect.

35) Blade tracking is adjusted by.

A.. adding lead wool to the blade shank.

B.. re-seating the propeller on the front and rear cones.

C.. by fitting shims to the propeller shaft hub Removal of material from the propeller
36) blade tips, resulting in a reduction in propeller diameter is called.

A.. tipping.

B.. cropping.

C.. topping

37) Prior to using the universal propeller protractor.

A.. ensure the propeller blade is at the horizontal.

B.. determine the reference blade station.

C.. check date stamp for serviceability.

38) Preloading propeller blades before installation prevents.

A.. blade distortion.

B.. blade flutter.

C.. aerodynamic imbalance on the blades.

39) Immediately after blending out damage to to a blade the repair must be.

A.. re-protected against corrosion.

B.. crack checked.

C.. balanced.

40) Where would you find information on RPM and Power ratings?

A.. Painted onto the propeller

B.. Etched on the Propeller

C.. Engine Log book

41) ATM/ATF will cause the blade to move.

A.. low blade
B.. High blade
C.. Not move the blade
42) CTM/CTF will cause the blade to move.
A.. low blade
B.. High blade
C.. Not move the blade

43) Low blade angle.

A.. Inc RPM
B.. Dec RPM
C.. Not affect

44) High blade angle.

A.. Inc RPM
B.. Dec RPM
C.. Not affect

45) On which type of turbo propeller would you expect to find a parking break
A.. Compound twin spool
B.. Direct coupled twin spool
C.. Free turbine

46) Propeller produced

A.. Forward and rotary motion
B.. Backward and rotary motion
C. Forward and stationary Motion

47) Blade station measured in

A.. Inches from the center of the blade hub
B.. Degree
C.. Feet

48) Wooden propeller are stored in

A.. Horizontal position to keep the moisture in the blade balanced
B.. Vertical position to keep the moisture in the blade balanced
C.. Both

49) Electrical de icing convert

A.. Electrical energy to heat energy in the heating element
B.. Heat energy to electrical energy in the heating element
C.. Both

50) Propeller slip

A.. GP - EP
B.. Difference between GP and EP
C.. Both

51) Static balance

A.. Occurs when the CG of the propeller doesn't consind with the axis of rotation
B.. Occurs when the CG of the propeller doesn't consind with the plan of rotation
C.. Occurs when the CG of similar propeller elements,(blades or counterweights) doesn't
follow in the same plan of rotation
D.. Occurs when the CG of similar propeller elements,(blades or counterweights) doesn't
follow in the same axis of rotation

52) Dynamic balance

A.. Occurs when the CG of the propeller doesn't consind with the axis of rotation
B.. Occurs when the CG of the propeller doesn't consind with the plan of rotation
C.. Occurs when the CG of similar propeller elements,(blades or counterweights) doesn't
follow in the same plan of rotation
D.. Occurs when the CG of similar propeller elements,(blades or counterweights) doesn't
follow in the same axis of rotatiOn

53) Why Phosphorus compound in anti icing system not widely used.
A.. reduces flamability but expensive
B.. Low cost
C.. Availiblity
54) Why isopropyl alcohol in anti icing system widely used.
A.. reduces flamability but expensive
B.. Low cost
C.. Availiblity
D.. b and c

55) Active/flyable storage

A.. Below 30 days
B.. Below 90 days
C.. Indefinite

56) Temporary storage

A.. 90 days
B.. 180 days
C.. One year

57) Indefinite storage

A.. 30 days
B.. 90 days
C.. Above 90 days

58) Fixed pitch propeller blade angle decided by

A.. Level flight
B.. Climb
C.. Tack-off

59) Propeller lubrication

A.. Hydromatic propeller doesn't require lubrication
B.. Is lubricated of engine oil
C.. Hydromatic propeller require lubrication
D.. A and B
60) Hub, cone, seat, shaft are examin to detect.
A.. Undue wear
B.. Galling
C.. Corrosion
D.. All

61) Propeller, blade use on large a/c pitch change machnism

A.. Engine driven propeller governor
B.. Power control lever
C.. Both

62) Rubber components should be stored in.

A.. the dark.

B.. natural light.

C.. flouresent light.

63) The maximum storage periods for installed propellers are detailed in the.

A.. propeller overhaul and repair manual.

B.. Airworthiness Notices.

C.. aircraft Maintenance Manual

64) When storing wooden propellers.

A.. store in a dry well ventilated and illuminated location.

B.. store in a horizontal position.

C.. wrap in greaseproof paper.

65) A wooden propeller should be stored.

A.. a dry and well ventilated area.

B.. in a room with high humidity to stop it drying and cracking.

C.. a warm but light storeroom.

66) A wooden propeller in storage.

A.. should not be wrapped at-all.

B.. should be wrapped tightly.

C.. should be wrapped loosely.

67) A VP propeller mechanism, for storage for long periods should.

A.. should be completely emptied and dried.

B.. be filled with special inhibiting oil to prevent condensation and corrosion.

C.. be filled with the normal operating oil to prevent condensation and corrosion.

68) Potential energy driven from

A.. Condition
B.. Velocity
C.. Movement
D.. Direction

69) Hydromatic propeller consist of.

A.. Dome assembly
B.. Hub assembly
C.. Distributer valve & anti icing assembly
D.. All

70) The primary purpose of the front and rear cones for propellers that are installed on
splined shafts is to.

A.. prevent metal-to-metal contact between the propeller and the splined shaft.

B.. reduce stresses between the splines of the propeller and the splines of the shaft.

C.. position the propeller hub on the splined shaft.

71) Hamilton hydromatic propeller pitch changing machnism mounted on

A.. Dome assembly
B.. Hub assembly
C.. Distributed valve & anti icing assembly
D.. All

72) The constant-speed control unit is also called.

A.. propeller pitch control.

B.. accumulator.

C.. governor.

73) Counterweights are fitted to blade root to.

A.. counteract ATM.

B.. assist blade to move to fine pitch.

C.. counteract CTM.

74) A/c vibration produce by

A.. Static balance
B.. Dynamic balance
C.. Both

75) The propeller blade face is also subjected to.

A.. Tension from centrifugal force
B.. Tension from centrifugal force and adtional tension
C.. Only tension from the vending

76) Engine vibration.

A.. Vibration cause, if the propeller hub appear to swing in a slight orbit.
B.. Vibration cause, if the propeller hub doesn't appear to rotate in an orbit.
C.. RPM improperly hub rotates on an absoluted vertical plan

77) Propeller vibration.

A.. Vibration cause, if the propeller hub appear to swing in a slight orbit.
B.. Vibration cause, if the propeller hub doesn't appear to rotate in an orbit.
C.. RPM improperly hub rotates on an absoluted vertical plan
78) If there is any doubt as to weather the propeller de icing system is functioning properly it
should be checked during ab ground run
A.. Flow test
B.. Functional test
C.. Inhibiting

79) Which test is ensure to Cary out the delivery rate of the fluid should be within the limits
specified by manufacturer
A.. Flow test
B.. Functional test
C.. Inhibiting
D.. Delivery test

80) MTCS-
A.. Fixed pitch propeller blade angle can't be change after the propeller is built
B.. Fixed pitch propeller is one piece constructed of wood or Al alloy
C.. Both

81) MTCS-
A.. Fixed pitch propeller blade angle can't be change after the propeller is built
B.. Fixed pitch propeller blade angle can be changed after the propeller is built

C..

82) MTCS-
A..Fixed pitch propeller is one piece constructed of wood or Al alloy
B.. Fixed pitch propeller is one piece constructed of nickel or Al alloy

C..

83) Synchronization system used

A.. Control engine rpm
B.. Dissimlar rpm obtain
C.. Reduce vibration and noise
D.. All

84) Synchrophasing consist of

A.. Pulse generator
B.. Phase angel
C.. Magnetic pickup
D.. All

85) Synchrophasing consist of

A.. Pulse generator
B.. The electronic synchrophaser
C.. The speed bias servo assembly
D.. All

86) The synchronizer master unit consist of

A.. A master motor which machanically drives four conductor unit
B.. A master motor which machanically drives four conductor unit that are electrically
Canected to an alternator
C.. A master motor which electrically drives four conductor unit that are mechanically
Canected to an alternator

87) Which of the following determines oil and grease specifications for lubrication of
propellers.

A. Propeller manufacturers.

B. Engine Manufacturers.

C. Airframe manufacturers.

88) On a Hartzell prop with counterweights, full oil supply would indicate.

A.. on-speed condition.

B.. overspeed condition.

C.. underspeed condition.

89) Where would you find information on RPM and Power ratings.

A.. Painted onto the propeller.

B.. Engine Log book.

C.. Etched on the Propeller.

90) How is blending carried out on an aluminium propeller blade.

A.. By using a course file and peening.

B.. By using a needle file and finish with emery cloth.

C.. By using a scraper

91) When unfeathering a propeller use.

A.. minimum RPM/min throttle.

B.. any RPM min throttle

C.. maximum RPM/min throttle.

92) Adjustments to a variable pitch propeller are.

A.. made in the air using the synchronizer.

B.. made on the ground with the engine stationary.

C.. made on the ground with the engine running.

93) Indentations to the blade face are measured.

A.. individually.

B.. individually and collectively.

C.. collectively

94) The limits for a tracking check are.

A.. 1/4 inch maximum difference between adjacent blades.

B.. 1/8 inch maximum difference between opposite blades.

C.. 1/8 inch maximum difference between all blades.

95) When a propeller is removed, the securing parts are kept with.

A. all separately in cases.

B. the propeller.

C. the engine

96) Beta range/Non governing/taxi range/gruond ideal range from revers to flight ideal
position
A.. 0 - 34 degree
B.. 34 - 90 degree
C.. Both

97) Alfa range/governing/ flight range from the flight ideal to tackoff position
A.. 0 - 34 degree
B.. 34 - 90 degree
C.. Both

98) Tractor propeller

A.. Mounted on the upstream end of the propeller shaft in front of the supporting structure
B.. Mounted on the downstream end of the propeller shaft behind the supporting structure
C.. NOTA

99) Pusher propeller

A.. Mounted on the upstream end of the propeller shaft in front of the supporting structure
B.. Mounted on the downstream end of the propeller shaft behind the supporting structure
C.. NOTA

100) Geometric/theoretical pitch defined as

A.. The distance a propeller should advance in one revolution with no slippage
B.. The actual distance a propeller in one revolution
C.. GP - EP
101) Effective pitch defined as
A.. The distance a propeller should advance in one revolution with no slippage
B.. The actual distance a propeller in one revolution
C.. GP - EP

102) Slip defined as

A.. The distance a propeller should advance in one revolution with no slippage
B.. The actual distance a propeller in one revolution
C.. GP - EP

103) Anti icing fluid

A.. Flow the literally along the trailing edge of the blade
B.. Flow the literally along the leading edge of the blade
C.. Flow the parallel along the leading edge of the blade
D.. Flow the longitudinally along the leading edge of the blade

104) Forces act on propeller in flight

A.. Thrust and torque
B.. Thrust and centrifugal
C.. Torque and centrifugal
D.. All

105) Storage propeller should be.

A.. Part number and modification standard
B.. Original date of storage
C.. Any other details related to the action
D.. All

106) Visual inspection of propeller

A.. Grease
B.. Scratch
C.. Nikcs
D.. All

107) Visual inspection of propeller

A.. Scratch & cracks
B.. Dent & esorion

C.. Brushes

D.. All

108) Greasing of propeller specified by.

A.. Propeller manufacturer
B.. Aircraft manufacturers
C.. Engine manufacturers
D.. All

109) Lubrication specification all taken from

A.. Propeller manufacturer
B.. Aircraft manufacturers
C.. Engine manufacturers
D.. All

110) De icing fluid.

A.. Reduce the freezing point of mixture
B.. Increase the freezing point of mixture
C.. Not affect freezing point

111) Fluid is distributed to each propeller blade from a.

A.. Slip ring
B.. Slinger ring
C.. Electrical pump
D.. Both b and c
112) The fluid may be pumped to slinger ring from the supply tank driven by.

A.. Electrically pump

B.. Some time Air pressure pump
C.. Hydromechanical pump
D.. Both a and b

113) De icing system uesd.

A.. Slinger ring

B.. Slip ring
C.. Both

114) Anti icing system uesd.

A.. Slinger ring

B.. Slip ring
C.. Both

115) Where ice has already formed on the blades, the fluid penetrates under the ice and
loosens it sufficiently for it to be thrown off by
A.. Centrifugal action
B.. Aerodynamic action
C.. Both

116) To prevent loss of fluid when the pump is not operating.

A.. Control valve

B.. Relief valve
C.. Non - return valve

117) Which valve is used to regulate the Fluid flow.

A.. Control valve

B.. Non return valve
C.. Relief valve
118) On propellers which are not fitted with overshoes, correct distribution of fluid over the
propeller blades depends on
A.. Longitudinal grooves in the overshoes
B.. the shape of the feed pipes
C.. Small part of the overshoes

119) the pump filter should be checked for cleanliness.

A.. Flow test

B.. Functional test
C.. Inhibilting

120) A check should also be made to ensure that the tank vent system is unobstructed.

A.. Functional test

B.. Flow test
C.. Inhibiting

121) An ammeter should be fitted in the electrical circuit of the system.

A.. Inhibiting
B.. Functional test
C.. Flow test

122) The voltage of the power supply should also be checked to ensure that it is at the
correct level.
A.. Functional test
B.. Flow test
C.. Inhibiting

123) The propeller should be painted with commercial whitewash and aIIowed to Dry.

A.. Flow test

B.. Functional test
C.. Inhibiting
124) Effect of Inhibiting on fluids in de icing system

A.. stable
B.. non-corrosive
C.. leaves a gummy residue on drying out.
D.. All

125) At the period specified in the approved Maintenance Schedule, the pump filter should
be dismantled and cleaned with
A.. methylated spirits
B.. warm soapy water
C.. Fresh water
D.. Paraffin

126) After each flight when the system has been used, the propeller blades should be
cleaned with
A.. methylated spirits
B.. warm soapy water
C.. Fresh water
D.. All

127) When a pump has been dismantled for inspection, the valves, pistons, etc.should be
cleaned with
A.. methylated spirits
B.. warm soapy water
C.. Fresh water
D.. Paraffin

128) When a gears and bearings has been dismantled for inspection, the valves, pistons,
etc.should be cleaned with
A.. methylated spirits
B.. warm soapy water
C.. Fresh water
D.. Paraffin
129) In electrical systems, the basis for effective de-icing is formed by resistance wire
heating elements bonded to
A.. the trialling edges of the propeller blades
B.. the leading edges of the propeller blades
C.. the front shell of the

130) The power for heating the elements in de icing system

A.. AC
B.. DC
C.. Both

131) The slip rings are normally mounted at

A.. the rear of the propeller hub

B.. on a starter ring gear
C.. Contained within brush block housing
D.. All

132) A line of indentations at one blade section can be.

A.. blended within limits.

B.. left for up to 12 months.

C.. declared unserviceable

133) Damage to a leading edge can be blended in comparison to a blade face.

A.. by maintaining a smooth depression.
B.. by not exceeding 25% of the chord.
C.. at a steeper angle.

134) The longitudinal clearance between the nose wheel and the propeller on tricycle geared
propeller is.
A.. 9 inches.
B.. 18 inches.
C.. 1/2 inch.

135) A tracking check compares.

A.. 2 Adjacent blades.
B.. 2 Opposite blades.
C.. any 2 blades.

136) If the tip of an electrical overshoe is torn.

A.. it may be cut back.
B.. it may be classified as acceptable damage.
C.. it must not be cut back.

137) When blending out a gouge on the face or camber side of a blade, the additional metal
to be removed for stress relief is.
A.. 0.02 inch.
B.. 0.002 inch.
C.. 0.2 inch.

138) The preservative used to protect metal blades is.

A.. lanolin.
B.. brown storage wax.
C.. petroleum jelly.

139) Composite propellers may have minor repairs carried out by.
A.. any approved 3rd party maintenance organization.
B.. the operator.
C.. any approved composite repair facility

140) A metal propeller may be statically balanced by.

A.. adding varnish to the lighter blade.
B.. removing metal from the opposite blade.
C.. adding or removing lead wool to the hollow blade roots.

141) Where ice has already formed on the blades, the fluid penetrates under the ice and
loosens it sufficiently for it to be thrown off by.
A.. centrifugal action
B.. Aerodynamic action
C.. Both

142) Where ice already deposited then acts as thermal insulation, and as the ice in contact
with the blade surfaces melts, the main ice catch is carried away under the action of
A.. centrifugal action
B.. aerodynamic action
C.. Both

143) Brushes worn beyond limits, must be replaced by.

A.. new ones together with new brush springs
B.. Brushes must be free to slide in their respective holders
C.. Can be re-used
D.. Both a and b

144) Before fitting a brush, the brush holder must be thoroughly cleaned with
A.. a dry cloth, small spiral hair brush, solvents
B.. a dry cloth, small spiral hair brush
C.. a dry cloth, small spiral hair brush, lint free cloth

145) When a new brush has been fitted, the face must make cop tact with the slip ring at
least
A.. 85%
B.. 80%
C.. 90%

146) Voltage proof check used for

A.. repairs to the heater element overshoes
B.. high voltage typical values are 1360 volts d.c. or 960 volts a.c.
C.. The voltage should be maintained for not less than 1 minute
D.. all

147) Blade angle measured in

A.. Inches
B.. Gegree
C.. Feet

148) Blade station measured in

A.. Inches
B.. Degree
C.. Feet

149) Electrically de-iced propeller slip rings have regular resistance checks for.

A.. oxidisation due to altitude.

B.. open circuit heating elements.

C.. wear between brushes and slip ring

150) Insulation testing of electrical de-icing systems should be periodically carried out
because of.

A.. an open circuit in one of the blades.

B.. oxidation due to atmospheric conditions.

C.. wear on the slip rings

151) Ice is removed from blades by.

A.. a continuously heated electrical boot.

B.. rubber boots inflated in sequence using compressor hot air.

C.. inboard and outboard boot sections heated in sequence by action of the timer
152) Propeller blade when storage

A.. Are covered with non gyroscopic materials

B.. Are covered with gyroscopic materials

C.. Are kept in dry and cool environment

153) Propeller storage up to 3 months should be checked for

A.. Crack

B.. Corrosion

C.. Remove and attached another etc

154) When the blade is cut of track.

A.. Static imbalance

B.. Dynamic imbalance

C.. Dynamic balance

155) Confirmed by the tracking check

A.. Static balance

B.. Dynamic imbalance

C.. Dynamic balance

156) A propeller retaine in storage a label attach on propeller show

A.. Year of manufacturing

B.. Engine specification

C.. Original date of storage

D.. All

157) Feathering process occurs

A.. Engine oil pressure

B.. Counterweight and feathering spring

C.. Feathering spring

158) Where is the de-icing boot?.

A.. Root.

B.. Trailing edge.

C.. Tip.

159) How is anti icing fluid fed to the individual blades

A.. Pump to a slinger ring.

B.. Pump to each blade rubber feed boot.

C.. Under gravity to the slinger ring then on to the blade

160) Propeller anti-icing may be achieved by.

A.. using iso-propyl alcohol de-icing fluid sprayed on the blade.

B.. using commercial de-icing fluid sprayed on the pro.

C.. a using hot air from the compressor.

161) De-icing of the propeller can be monitored by.

A.. viewing the deicing fluid level sight glass.

B.. viewing the blade and observing ice falling off the blade.

C.. an ammeter in the flight deck

162) Insulation checks on propeller electrical heating elements should be carried out
frequently due to.

A.. short/open circuits in the heating system wires along the propeller blade.

B.. oxidation of slip ring and brush gear assembly.

C.. deposits formed due to the wear of slip ring and brush gear assembly.

163) Due to ice formation on the blade

A.. Vibration occurs

B.. Thrust decrease

C.. Unbalance

D.. a&b
164) The de icing system electrical power transfer through

A.. Slip ring & brushes

B.. Centrifugal action

C.. Counterweights

D.. All

165) Cyclic timer are used to energise the heating element for a

A.. Period of 15-30 seconds

B.. With a complete cycle for 2 minute

C.. Both

166) Cyclic timer are used to energise the heating element for a

A.. Regular heat

B.. With a complete cycle for 2 minute

C.. With a complete cycle for 5 minute

167) Cyclic timer are used to energise the heating element for a

A.. Regular heat

B.. With a complete cycle for 5 minute

C.. Non

168) Length of propeller blade are limited because

A.. Excessive tip speed reduce efficiency

B.. Excessive tip speed produce vibration and flutter

C.. Lower tip speed produce less thrust

D.. A&B

169) In wooden propellers the heads of screw are solder to tipping to.

A.. Give a desire surface

B.. To give softness

C.. Prevent loosening

170) Metal tipping is in wooden propellers to prevent from loosening.

A.. The head of screw are soldered

B.. Lock nut is used

C.. A lock washer is used

D.. All

171) Synchronizing system by means of controlling and synchronizing

A.. Engine rpm

B.. Propeller rpm

C.. None

172) Bearing storage up to 12 months

A.. Bearing must be removed and examined for breanelling and corrosion

B.. If it is found satisfactory must be reassembled on the blade

C.. Both

173) Master engine equipped with

A.. Synchronizing motor master

B.. Twin engine a/c

C.. Multi engine a/c

174) In wooden propeller nicks, cracks permitted

A.. Perpendicular/longitudinal to rotation of axis

B.. Parallel to rotation of axis

C.. Nicks, cracks may not be permitted

175) Synchro master unit operated

A. AC current generator driven by an accessory drive of the engine

B.. AVolt directly proportional to drive of engine

C.. AC inversely proportional to time of rotating engines

176) In turboprop engine

A.. Thrust produce directly

B.. Beta range produce negative thrust

C.. NOTA are crct

177) Propeller convert

A.. BHP to THP

B.. THP to BHP

C.. Engine rpm to BHP

178) Propeller efficiency

A.. BHP to THP

B.. THP to BHP

C.. Engine rpm to BHP

179) Hydromatic propeller are

A.. Electrical hydraulic

B.. Mechanical hydraulic

C.. Mechanical

180) Propeller blade tracking

A.. Tracking show only the actual path of blade

B.. Tracking show only relative the position of blade

C.. Tracking show only the relative position of blade not there actual path

181) Reverse pitch propeller

A.. Blade angle is changed to revers pitch to provide - thrust

B.. Blade angle is changed to forward pitch to provide + thrust

C.. Blade angle is not changed at all

182) In propeller governor, the purpose OT pilot valve

A.. To control the propeller rpm

B.. To control the engine rpm

C.. Both

183) In feathering , the source of hydraulic pressure is from

A.. Propeller hydraulic system

B.. Aircraft hydraulic system

C.. Engine lubrication system

184) During feathering of propeller

A.. Hydraulic pressure means blades towards the low pitch

B.. Hydraulic pressure means blades towards the high pitch

C.. Hydraulic pressure means blades towards the reverse pitch

185) During unfeathering of propeller

A.. Hydraulic pressure means blades towards the low pitch

B.. Hydraulic pressure means blades towards the high pitch

C.. Hydraulic pressure means blades towards the reverse pitch

186) The primary function front and rear cones when splined propeller shaft

A.. Is used to seat the propeller on crankshaft

B.. To prevent the propeller from loosening

C.. To give the tightness

187) When flyweight overcome the speeder spling pressure it means.

A.. propeller rotate overspeed

B.. Propeller rotate underspeed

C.. Engine rotate overspeed

D.. Engine rotate underspeed

188) Autofeathering acomplies

A.. Automatically

B.. Manually by pilot

C.. Both by a&c

189) When speeder spring force dec. The blade angle will be.

A.. Inc

B.. Dec

C.. Remains same

D.. Non

190) If an propeller rotate in underspeed and the blade angle will be

A.. Fine pitch

B.. Course pitch

C.. Smooth pitch

191) If an propeller rotate in overspeed and the blade angle will be

A.. Fine pitch

B.. Course pitch

C.. Smooth pitch

192) Gyroscopic covering on propeller while storing

A.. It absorbs moisture

B.. It can not absorbs moisture

C.. It makes a layer b/w blade and atmosphere

D.. b&c
193) Phosphate is not used bcoz

A.. flammability

B.. Expensive

C.. Corrosive

D.. All

194) Blades coming in contact with salt water should be washed with

A.. Fresh water

B.. Soap with water

C.. Nitric acid

195) Propeller blade are stored in condition

A.. Dry

B.. Warm

C.. Cool

D.. A&C

196) Static balance is done by.

A.. Knife edge test stand

B.. Suspension test stand

C.. No stand is required

D.. A&B

197) Storage of propeller should be

A.. Not on tip

B.. On tip suspension

C..dip in oil

198) Propeller blades are de-iced by.

A.. electrical heating elements bound in rubber overshoes on the blade leading edges.
B.. generating eddy currents in the blade.

C.. electrical heating elements wound around rubber shoes.

199) Propeller slip rings.

A.. convey oil for PCU to pitch change mechanism.

B.. minimise slip

C.. conduct electrical power for de-icing.

200) On an electrical deicing system fast cycle is used

A.. at low air temperature.

B.. at high air temperature.

C.. on the ground.

''अगर आप अपनी मं
जल हा सल करना चाहते
हो,

तो इस नया क तरफ़ मत दे
खो !

ब क माँबाप क तरफ़ दे
खो ,,

यु
क माँबाप ह आपको, आपक मं
जल तक प ं
च ायगे
'' !!

- (SuNiL BhAbAr)

______________________ ALL THE BEST _________________________