Q. Speed torque characteristic of DC shunt motor is _______________

View solution

Q. For some percentage increase in the torque, which DC motor will have the least percentage increase of input current?

View solution

Q. DC Shunt Motor has a disadvantage __________

View solution

Q. DC series motors are used _______________

View solution

Q. Where compensating winding is provided in case of conductively compensated DC series motor?

View solution

Q. No-load speed of which of the following DC motor will be highest?

View solution

Q. The direction of rotation of a DC series motor shaft can be changed by _____________

View solution

Q. Which of the following DC motor can be used at conveyors?

View solution

Q. Which statement is correct about DC series motor?

View solution

Q. In which of the following applications DC series motor is invariably tried?

View solution

Q. The speed of a DC series motor is ___________

View solution

Q. In a DC series motor, if the armature current is halved, the torque of the motor will be equal to

View solution

Q. Applications demanding large applications at starting and small torque while running use DC series motor.

View solution

Q. Which DC motor is generally preferred for cranes and hoists?

View solution

Q. Which of the following motor has the poorest speed regulation?

View solution

Q. Buses, trains, trolleys, hoists, cranes make use of DC series motor because __________

View solution

Q. DC motor is to drive a load which is having certain minimum value for most of the time and some peak value for short duration. We will select the _______

View solution

Q. Which DC motor has got maximum self-relieving property?

View solution

Q. Which motor should not be started on no-load?

View solution

Q. Actual speed obtained at any value of armature current comparing to speed obtained by assuming linear magnetic assumption in DC series motor is _______

View solution