100 Electrical NTS MCQs With Answers (2019-20) 1
100 Electrical NTS MCQs With Answers (2019-20) 1
100 Electrical NTS MCQs With Answers (2019-20) 1
A) Primary Winding
B) Secondary Winding
C) High Voltage Winding
D) Low Voltage Winding
A) 5/6
B) 1/6
C) 2/3
D) 1/3
3. linear differential transformer is which type of
_______transducer?
A) Electromechanical
B) Inductive
C) Chemical
D) Piezoelectric
4. A moving iron ammeter coil has few turns of thick wire
in order to have:
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A) Low resistance
B) High sensitivity
C) Effective damping
D) Large scale
C) Coaxial
D) Fiber Optics
6 A) Length
B) Cross-sectional area
A) Power
B) Voltage
C) Current
D) Resistance
A) Resistance
B) Inductance
C) Capacitance
D) Frequency
A) AC current
C) Eddy Current
B) DC Current
D) Stray Current
11. Unit of potential difference?
A) Volt
B) Ampare
C) Ohm
D) Henry
A) 13C
B) 18C
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C) 24C
D) 29C
13. 25% is 150 then for the full cycle then the valve will
be_____?
A) 200
B) 350
C) 500
D) 600
A) Discrete in time
B) Discrete in amplitude
A) Volt Amp
B) KW
C) kWh
D) Joule
B) Core
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C) Brush Contact Loss
D) None of these
B) High Resistance
D) Low resistance
A) Ring Set
B) Gudgeon Pin
C) Top Sides
D) Top Centre
a) Steam coal
b) Bituminous
c) Lignite
d) Anthracite
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a) Monograph
b) Hectograph
c) Topograph
d) Hydrograph
a) Buckets
b) V-ballets
c) Trolleys
d) Manually
a) Inaccuracy
b) Inefficiency
c) Insensitivity
d) Instability
24. What does phase margin specify ______?
a) Absolute Stability
b) Relative Stability
c) Frequency response
d) None of these
a) Coulomb friction
b) Dead space
c) Saturation
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d) Dissemination
a) Capacitance
b) Inductance
c) Inverse of capacitance
d) Inverse of Inductance
a) Welding
b) Soldering
c) Steal Clamp
d) Counter Sunk
b) Avoid sparking
a) Impedance
b) Capacitance
c) Inductance
d) Resistance
6 a) Inductor
b) Capacitor
c) Resistance
d) All
a) 180 degree
b) 30 degree
c) 45 degree
d) 90 degree
a) Peak-peak
b) RMS
c) Peak current
d) Average
a) Collector
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b) Emitter
c) Base
d) both A & C
a) Avg to rms
b) Peak to rms
c) Rms to avg
d) Peak to avg
A) Inversion
B) Clipping
C) Cyclo-Conversion
D) Rectification
a) Synchronous motor
b)Capacitor
C) Inductor
d) All of these
b) It is light
D) None of these
a) Pulse stuffing
b) Synchronous multiplexing
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c) Asynchronous multiplexing
d) FDMA
A) SECAM
B) NTSC
C) PAL
D) ADALAH
a) electromagnetic
b) electromechanical
c) electrostatic
d) None of these
a) good maneuverability
c) high bandwidth
b) good front to back ratio.
d) All of these
47. headphone and speaker are
A) Video input
B) Audio input
C) Audio output
D) None of these
a) Mixer
b) Frequency translator
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c) Frequency shifter
d) Frequency multiplier
A) Mho relay
B) Impedance relay
C) Admittance relay
D) None of these.
a) Companding
b) Pre-emphasis
c) De-emphasis
d) Quantization
51. At Unity Power Factor, Armature Flux is??
A) Cross Magnetizing
B) Demagnetizing
C) Zero
D) None of these
a) Reduce RF interference
c) Reduce noise
a) An odd function in to
b) An even function in to
c) An exponential function in to
d) None of these
A) Binomial
B) Gaussian
c) Poisson
d) None of these
a) PID
b) PIC
c) PD
d) All of these
56. When the current in the light bulb decreases by 2%, its
power decreases by _____?
a) 4%
b) 2%
c) 8%
d) 40%
a) Ramp input
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b) Sinusoidal input
c) Impulse response
d) Step input
a) Ammeter
b) Voltmeter
c) Ohm-meter
d) Galvanometer
a) Faraday’s effect
b) Ampere’s Effect
c) Corona
d) Skin effect
60. if the carrier of a 100% modulated AM wave is
suppressed the percentage of Power
A) 50
b) 66.66
c) 100
D) 150
a) Class A
b) Class B
c) Class C
d) Class D
a) Capacitance
b) Inductance
c) Resistance
d) No change
a) Ram
b) Memory
c) CPU
d) Monitor
64. If z transform lies in ROC then
A) System is stable
A) Schottky diode
B) Tunnel diode
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C) Hot-carrier diode
D) Laser diode
A) =4
B) <4
C) >4
D) 7
A) Night bulb
B) Neon bulb
C) GLS bulb
D) Torch lamp
A. Low resistance
B. High sensitivity
C. Effective damping
D. Large scale
a. above 220 kV
b. above 11 kV
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c. below 660 V
d. below 115 V
A) To minimize losses
B) To minimize cost
Share 6
C) To get maximum power
D) None of these
A) 5kw
B) 50kw
C) 500kw
D) 5000kw
A) 0.008v
C) 0.8V
B) 0.08V
D) 8V
74. Electrical lines of force about a negative charge are
A. Circular, anticlockwise
B. Circular, clockwise
C. Radial, inward
D. Radial, outward
A. Bilateral device
B. Linear device
C. Non-linear device
D. Passive device
a. Node A
b. Node B
c. Ground Node
d. None of These
A) Maximum
B) Minimum
C) ZERO
D) None of These
78. In AC circuit power is consumed by _____?
A) Resistance
B) Capacitance
C) Inductance
D) All of these
A. Thevniin
B. Norton
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C. Jordon
D. Superposition
A. Ammeter
B. Voltmeter
C. Galvanometer
D. None of these
a. Two
b. Three
c. Four
d. Nine
82. ______ is defined as the measure of an instrument by
which it is error-free
A) Accuracy
B) Precision
C) Resolution
D) None of these
A) 1.4
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B) 1.0
C) 0.707
D) 0.5
3 Sons