DC Motors MCQs
Practice free DC Motors multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 313 questions — no login required.
Question 226easy
During rheostatic braking the braking torque is proportional to
Question 227easy
Which method for braking is generally used in Elevators?
Question 228easy
1n variable speed motor
Advertisement
Question 229easy
When the armature of rotates, e.m.f. induced is
Question 230easy
Where D.C. motor of H.P. 12 requires frequent starting, stopping reversing and speed control
Question 231easy
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens
Advertisement
Question 232easy
D.C. motor is to a drive a load which is almost zero for certain part of the load cycle and peak value for short short duration. We will prefer
Question 233easy
Voltage equation for D.C. motor is
Question 234easy
A 230 V D.C. shunt motor takes 32 A at full load. The back e.m.f. on full load, if the resistance of motor armature and shunt field winding are 0.2 and 115 fl respectively, will be