Question
a.
100% of the previous value
b.
50% of the previous value
c.
25% of the previous value
d.
10% of the previous value
Posted under DC Machines
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. In a DC series motor, if the armature current is halved, the torque of the motor will be equal to
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
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
Q. Torque of a DC series motor is __________
View solution
Q. Practically, at higher values of armature current torque does not follow its relationship with armature current.
View solution
Q. What will happen to a torque, if a DC series motor is accidentally connected to single phase ac supply voltage?
View solution
Q. Differentially compound DC motors are used in applications requiring _______
View solution
Q. Which DC motor is more preferred for elevators?
View solution
Q. Which DC motor is used in shears and punches?
View solution
Q. Which DC motor has got maximum self-loading property?
View solution
Q. For the same H.P. rating and full load speed, which of the following motor has poor starting torque?
View solution
Q. Unlike DC series motor, DC compound motor can be started on no-load.
View solution
Q. Flywheel is used with DC compound motor to reduce the peak demand by the motor, compound motor has to be _____________
View solution
Q. What will happen if shunt field suddenly opens, in a differential compound DC motor?
View solution
Q. What will happen if the series field of a differential compound motor is short circuited?
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond DC Machines? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
