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. Which one of the following has the least of water consumption ?
Q. The Council of Ministers remains in office as long as it enjoys the confidence of
Q. Mahatma Gandhi was referred to Father of the Nation first by:
Q. Which one of the following is located at the confluence of the Beas and Sutlej rivers ?
Q. How many members of the State Legislative Council are elected by the Assembly?
Q. Which one of the following is the most appropriate reason for Inequalities in Income?
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series