Single Phase Induction Motor Quiz | Single Phase Induction Motor Objective Type Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
21 In a two value capacitor motor, the capacitor used for running purposes is
A air capacitor
B paper spaced oil filled type
C ceramic type
D a.c. electrolytic type

Answer: paper spaced oil filled type
22 Which of the following motors will operate at high power factor ?
A Shaped pole motor
B Split phase motor
C Capacitor start motor
D Capacitor run motor

Answer: Capacitor run motor
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
23 In split-phase motor auxiliary winding is of
A thick wire placed at the bottom of the slots
B thick wire placed at the top of the slots
C thin wire placed at the top of the slots
D thin wire placed at the bottom of the slots

Answer: thin wire placed at the top of the slots
24 Single phase induction motor usually operates on
A 0.6 power factor lagging
B 0.8 power factor lagging
C 0.8 power factor leading
D unity power factor

Answer: 0.6 power factor lagging
25 Which of the following single-phase motors is suitable for timing and control purposes ?
A Reluctance motor
B Series motor
C Repulsion motor
D Universal motor

Answer: Reluctance motor
26 A universal motor can run on
A A.C. only
B D.C. only
C either A.C. or D.C.
D none of the above

Answer: either A.C. or D.C.
27 A schrage motor can run on
A zero slip
B negative slip
C positive slip
D all of the above

Answer: all of the above
28 A single-phase induction motor is
A inherently self-starting with high torque
B inherently self-starting with low torque
C inherently non-self-starting with low torque
D inherently non-self-starting with high torque

Answer: inherently non-self-starting with low torque
29 Which of the following motors is preferred for tape-recorders ?
A Shaded pole motor
B Hysteresis motor
C Two value capacitor motor
D Universal motor

Answer: Hysteresis motor
30 The motor used on small lathes is usually
A universal motor
B D.C. shunt motor
C single-phase capacitor run motor
D 3-phase synchronous motor

Answer: single-phase capacitor run motor
31 For which of the applications a reluctance motor is preferred ?
A Electric shavers
B Refrigerators
C Signalling and timing devices
D Lifts and hoists

Answer: Signalling and timing devices
32 Which of the following motor will give the highest starting torque ?
A D.C. shunt motor
B Schrage motor
C Repulsion start and induction run motor
D Universal motor

Answer: Schrage motor
33 A hysteresis motor works on the principle of
A hysteresis loss
B magnetisation of rotor
C eddy current loss
D electromagnetic induction

Answer: hysteresis loss
34 A shaded pole motor can be used for
A toys
B hair dryers
C circulators
D any of the above

Answer: any of the above
35 The power factor of a single-phase induction motor is usually
A lagging
B always leading
C unity
D unity to 0.8 leading

Answer: lagging
36 In a capacitor start single-phase motor, when capacitor is replaced by a resistance
A torque will increase
B the motor will consume less power
C motor will run in reverse direction
D motor will continue to run in same direction

Answer: motor will continue to run in same direction
37 The range of efficiency for shaded pole motors is
A 95% to 99%
B 80% to 90%
C 50% to 75%
D 5% to 35%

Answer: 5% to 35%
38 Short-circuiter is used in
A repulsion induction motor
B repulsion motor
C repulsion start induction run motor
D none of the above

Answer: repulsion start induction run motor
39 Direction of rotation of a split phase motor can be reversed by reversing the connection of
A running winding only
B starting winding only
C either (a) or (b)
D both (a) and (b)

Answer: either (a) or (b)
40 Burning out of winding is due to
A short circuited capacitor
B capacitor value hiving changed
C open circuiting of capacitor
D none of the above

Answer: short circuited capacitor

Random GK Questions

Q. By which Constitution Amendment Act, Right to Property ceased to remain a fundamental right ?
Q. Despotism is possible in a
Q. Atmospheric temperature increasing at the higher altitudes is called :
Q. An Ordinary bill passed by the State Assembly can be delayed by the Legislative Council for a maximum period of
Q. A cell increases in volume when it is placed in
Q. Which one of the following is not a plant product?
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series