Electrical Daily Quiz 28th April 2022 MPPEB
Electrical Engineering Daily Quiz 28th April 2022 MPPEB Sub Engineer 2018 Solution
Question : 1
With change in load, the magnitude of change in terminal voltage of an alternator depends on_____
A. both the load current and power factor
B. the voltage rating of the machine
C. the load current only
D. the load power factor only
Answer-A
Electrical Daily Quiz 28th April 2022 MPPEB
Question : 2
Alternators are usually designed to generate power at____________.
A. particular power factor
B. particular frequency
C. variable voltage
D. variable frequency
Answer-B
Question : 3
Aluminium is preferred to be a bus-bar material because of of————-.
A. its low cost
B. its low density
C. non-availability of copper
D. the case of fabrication
Answer-A
Electrical Daily Quiz 28th April 2022 MPPEB
Question : 4
Transformer operates on the principle of ______between two coils.
A. binding
B. magnetic field
C. duality
D. mutual inductance
Answer-D
Question : 5
__________is measure of closeness in shape between a waveform and its fundamental component.
A. Total harmonic distortion
B. Harmonic factor
C. Lowest order harmonics
D. Distortion factor
Answer-A
Electrical Daily Quiz 28th April 2022 MPPEB
Question : 6
_____must be decreased to increase the capacity of a transmission line to transmit power.
A. Resistance
B. Capacitance
C. Line inductance
D. Voltage
Answer-C
Question : 7
_____________display consumes least amount of power.
A. LED
B. Thermionic
C. Fluorescent
D. LCD
Answer-D
Electrical Daily Quiz 28th April 2022 MPPEB
Question : 8
A 100 kVA, 3300/440V, 50Hz, single-phase transformer has 90 turns on the secondary winding. Assuming an ideal transformer, the number of primary turns is
A. 180
B. 2970
C. 675
D. 338
Answer-C
Question : 9
Star-delta starter is used for starting______________.
A. 3-phase induction motor
B. universal motor
C. stepper motor
D. 1-phase induction motor
Answer-A
Electrical Daily Quiz 28th April 2022 MPPEB
Question : 10
Mass, volume, energy, enthalpy and entropy are______ thermodynamic properties.
A. specific
B. intensive
C. extensive
D. intrinsic
Answer-C
