Which of the following motor is preferred for operation in highly expl – McqOptions

MCQOPTIONS

1.	Which of the following motor is preferred for operation in highly explosive atmosphere ?
A.	Series motor
B.	Shunt motor
C.	Air motor
D.	Battery operated motor
Answer» D. Battery operated motor

Discussion

No Comment Found

Related MCQs

Which of the following law/rule can he used to determine the direction of rotation of D.C. motor ?
B. DC MOTOR 1. No-load speed of which of the following motor will be highest ?
Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be
Following motor is used where high starting torque and wide speed range control is required.
Buses, trains, trolleys, hoists, cranes require high starting torque and therefore make use of
The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is
In case the back e.m.f. and the speed of a D.C. motor are doubled, the torque developed by the motor will
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?
If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking
Which of the following motors is most suitable for signalling devices and many kinds of timers ?