www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
ITI
Electrician
Electrician Set-1
Single Phase Motors
8

Single Phase Motors MCQ - Electrician (Set-1) with Answers

8) The direction of rotation of a repulsion motor can be changed by changing :

supply connections

stator connections

brush positions

rotor winding connections

Answer is:

brush positions

Single Phase Motors MCQ - Electrician (Set-1) with Answers

For more MCQ's Click Here

Related Single Phase Motors MCQ - Electrician (Set-1) with Answers

9) Which one of the following motors will have the lowest starting torque :

universal motor

shaded pole motor

capacitor-start capacitor-run motor

repulsion-induction motor

Answer is:

shaded pole motor

10) The purpose of the shaded coils in a shaded-pole motor is to :

produce rotating magnetic field

reduce friction loss

reduce rough commutation

reduce armature reaction

Answer is:

produce rotating magnetic field

11) Which one of the following motors can reverse its direction of rotation by simply reversing the supply connections ?

Capacitor-start capacitor-run motor

Split phase motor

Shaded pole motor

None of the above

Answer is:

None of the above

12) What is the function of a centrifugal switch ?

To disconnect the running winding

To disconnect the starting winding when the motor attains 75% of its rated speed

To disconnect the rotor resistors

None of the above

Answer is:

To disconnect the starting winding when the motor attains 75% of its rated speed

Single Phase Motors MCQ - Electrician (Set-1) with Answers

For more MCQ's Click Here