Which of the following motors one will choose to drive the rotary compressor ?
Which of the following motors one will choose to drive the rotary compressor ?
Which of the following motors one will choose to drive the rotary compressor ? Read More »
DC Motor MCQs
If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will
If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will
If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will Read More »
If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking
If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking
The armature voltage control of D.C. motor provides
The armature voltage control of D.C. motor provides
The armature voltage control of D.C. motor provides Read More »
If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor
If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor
For a D.C. shunt motor if the excitation is changed
For a D.C. shunt motor if the excitation is changed
For a D.C. shunt motor if the excitation is changed Read More »
Which motor has the poorest speed control?
Which motor has the poorest speed control?
Which motor has the poorest speed control? Read More »
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ?
At the instant of starting when a D.C. motor is put on supply, it behaves like
At the instant of starting when a D.C. motor is put on supply, it behaves like
At the instant of starting when a D.C. motor is put on supply, it behaves like Read More »