Computer Programming MCQs — Test 16

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Question 1

If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor_____________?

Question 2

If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking?

Question 3

Which of the following motors one will choose to drive the rotary compressor ?

Question 4

If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will_________?

Question 5

Why are the D.C. motors preferred for traction applications ?

Question 6

Which of the following motors is usually used in house-hold refrigerators ?

Question 7

Which of the following motors is most suitable for signalling devices and many kinds of timers ?

Question 8

Which motor should not be started on no-load ?

Question 9

Ward-Leonard control is basically a____________?

Question 10

For constant torque drive which speed control method is preferred ?