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Roll No. : Name of the Candidate :.....................................................
14. Find the simple interest on the Rs. 2000 at 25/4% per annum for the period from 4th Feb 2005 to 18th April 2005
A) Rs. 35 B) Rs. 30 C) Rs. 25 D) Rs. 40
15. The average of 20 numbers is Zero. Of them, at the most, how many may be greater than zero?
A) 0 B) 1 C) 10 D) 19
1390_17 (A) 2
17. Every rational number is
A) A natural number B) An integer C) A real number D) A whole number
19. A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had how many ?
A) 588 apples B) 600 apples C) 672 apples D) 700 apples
20. A does a work in 10 days and B does the same work in 15 days. In how many days they will do the same work
together?
A) 5 days B) 6 days C) 7 days D) 8 days
DOMAIN KNOWLEDGE
21. A Resistor of 3 K ohm is connected in parallel with another Resistor of 6 k Ohm and the combination then added
to another 1 K ohm Resistor. The whole combination is connected to a 3 Volt Battery. The current through the main
circuit will be
A) 2 Amp B) 1 Amp C) 2.5 Amp D) Cannot be calculated
22. The sum of Currents flowing into any junction of an electrical circuit, is equal to the sum of currents flowing out of
that junction is
A) Ohm’s Law B) Kirchoffof’s Law C) Boyle’s Law D) Faraday’s Law
24. A car runs with an uniform velocity of 80 Km per hour. Another car starts at the same point after 20 min .and runs
with a velocity of 120 km per hour. At what distance from the starting point the second car will cross the first one?
A) 80 km B) 60 km C) 40 km D) 20 km
33. Two cars start two cities 120 Km apart with same velocity (in opposite direction) at the same time and meets at the
mid distance. If the first car increased it’s velocity initially by 10 % , how much after the mid distance it will meet
the second car than before?
A) 2 km B) 3 km
C) 6 km D) can’t be calculated from the given data
36. An amplifier that used for performing mathematical operations on an input voltage is known as
A) Operational Amplifier B) Logic Controller C) Register D) ALU
41. In a flip flop ckt. Frequency of oscillation is 1 Mhz. If Pulse duration is 0.3 micro seC) Find the duty cycle in %
A) 30% B) 20% C) 15% D) 10%
45. By using twisted pair cable in an audio line what parameter can be improved ?
A) Amplitude B) Frequency C) Distortion D) Phase balance
1390_17 (A) 4
46. Magnetic permeability is measured in
A) Henries in mtr B) coulomb per cm C) farad per mtr D) amp per sec
52. One 100 Watt Fan if runs 10 hours in summer days will consume how much units in a 30 days month?
A) 30 B) 45 C) 25 D) 65
53. A garden has length of 10 Mtr and Width 15 Mtr . there is an outside road of 2 mtr wide along the periphery of the
garden.
A) 45 Sq Mtr B) 56 Sq Mtr C) 63 Sq Mtr D) 116 Sqr Mtr
54. A cylinder has height of 2 mtr. And base area of 9 Sq Mtr. With 50 % filled condition it will accommodate how
much cc of petrol?
A) 18x 10^6 cc B) 9 x 10^6 cc C) 15x 10^6 cc D) 12x 10^6 cc
55. One 3 k ohm, one 6 k ohm and one 12 k ohm resistors are connected in parallel and 9 volt battery connected across
it. Find the minimum branch current.
A) 2 ma B) 3 ma C) 0.75 ma D) 6 ma
58. One 130 kw D G Set when operates at 380 volt 1 phase 50 hz generate how much line current ?
A) 225 Amp B) 237 Amp C) 246.90 Amp D) 325 Amp
59. For a 4 pole Synchronous Motor operating at 50 Hz , how much will be the operating speed in RPM ?
A) 1500 B) 500 C) 50 D) 25
60. In a phase shift oscillator circuit, 450 Khz was produced using two stages… Calculate the Resistor required to
generate 450 Khz with a 1 micro farad capacitor.
A) 100 milli ohm B) 177 milli ohm C) 3.14 ohm D) 10 k ohm
1390_17 (A) 5
61. One L C Osillator circuit with one 1 milli henry inductor and 1 micro farad capacitor will generate what frequency
A) 4.824 khz B) 48.24 hz C) 482.4 hz D) 0.04824 mhz
63. Tick the ODD item which does work as per Faraday’s law of Induction
A) Electrical Motor B) Generator C) Transformer D) Capacitor
70. The 555 IC is a very popular integrated Circuit which is not used as
A) Timer B) Pulse Generator C) Oscillator D) Amplifier
71. Your Mother is cooking in an Aluminium pan directly holding the pan . She will feel hot in hand due to what type of
transmission of heat ?
A) Convection B) Conduction C) Radiation D) Evaporation
73. Two Resistors 2 K ohm and 7 K ohm are connected in parallel to a Battery of unknown voltage . The ratio of
branch current through them ( former:later) will be
A) 7:2 B) 1:1 C) Can’t be calculated D) 2: 7
1390_17 (A) 6
77. Frequency of dc supply is
A) 50 Hz B) 60 Hz C) 400 Hz D) None of above
80. In the areas of the study on Electro-magnetism , find the odd man
A) Michael Faraday B) James Clerk Maxwell C) George Ohm D) Heinrich Lenz
81. A battery of 9 Volt discharges through a 3 Kohm Resistor for 6 hours . How much was the accumulated charge in
the Battery:
A) 12 mAH B) 18mAH
C) 24 mAH D) Cant”s be calculated from this data
86. Specific Gravity of metals are more than wood and water
A) True B) False
C) More than wood but less than water D) less than wood but more than water
87. A piece of oak wood, having Sp. Gr 0.75, floats in water because that of water is having SP Gr .
A) Unity B) Wrong statement C) Sp Gr 8.33 D) Sp. Gr. 13.6
89. The process of establishing the pre determined voltage and current of an electronic circuit is known as
A) Biasing B) Trimming C) Tuning D) Metering
91. Android is
A) A diode B) A mobile operating system
C) A four layer semiconductor D) A type of IC
1390_17 (A) 7
92. A Thyristor is
A) A four layer semiconductor devise B) Is not a silicon controlled rectifier
C) A three layer devise like transistor D) A passive devise like Resistor
94. One 3 k ohm, one 6 k ohm and one 12 k ohm resistors are connected in parallel and 12 volt battery connected
across it. Find the maximum branch current.
A) 4 ma B) 3 ma C) 12 ma D) 1 ma
96. The sum of Currents flowing into any junction of an electrical circuit, is equal to the sum of currents flowing out of
that junction is
A) Ohm’s Law B) Kirchoffof’s Law C) Boyle’s Law D) Farad
98. A Circuit is formed using a Resistor and a Capacitor connected in series . The input voltage is given , and the output
is taken across the Capacitor. It will work as :
A) Low Pass Filter B) Band Pass Filter C) High Pass Filter D) Notch Filter
1390_17 (A) 8