Question

2.Technician a says permanent magnet starter motors are suitable for large diesel engines because of their low speed and high torque. Technician b says permanent magnet starter motors are suitable for small petrol engines because of their high speed and low torque. Who is right? A only b only both a and b neither a nor b

Answer 1

B and A both are wrong

Answer 2

Both the statements  a and b  are wrong.

Basically, a  starter is a machine that can rotate the crank of an IC  engine so as to propagate the operation of operates under its own power.

Starters can be of various types namely: electric, pneumatic, or hydraulic.

For very large engines, the starter can even be another motor.

The starter motor is used for this purpose and is no more required once the permanent magnet starter.starter:

Permanent magnet starters came into operation on the vehicles during the late years of the 1980s.

Lightweight and small size are the two prime advantages of these type of motors.