Q. Which of the following is not the effect of iron loss?

View solution

Q. Which of the following loss is likely to have highest proportion at rated load of the DC generator?

View solution

Q. Which of the following loss in a DC generator varies significantly with the load current?

View solution

Q. Which of the following methods is likely to result in reduction of hysteresis loss in a DC generator?

View solution

Q. Which of the following loss/losses in a DC generator is dissipated in the form of heat?

View solution

Q. Which of the following losses are significantly reduced by laminating the core of a DC generator?

View solution

Q. The total losses in a well-designed DC generator of 10 kW will be nearly equal to ________

View solution

Q. The condition for maximum efficiency for a DC generator is __________

View solution

Q. DC generators are normally designed for maximum efficiency at or near ____________

View solution

Q. In a DC generator, the iron losses mainly take place in ____________

View solution

Q. If DC generators are located near load centres, which losses can be minimised?

View solution

Q. Nature of efficiency curve of DC machine is _________________

View solution

Q. Why retardation test is carried on DC machine?

View solution

Q. In the DC motor the iron losses occur in __________

View solution

Q. Which of the following losses is not under constant losses?

View solution

Q. Variable losses are proportional to ________

View solution

Q. Swinburne’s test can be carried out on all DC motors.

View solution

Q. Which of the following test will be suitable for testing two similar DC series motors of large capacity?

View solution

Q. Which losses can be identified from Swinburne’s test?

View solution

Q. While carrying out Swinburne’s test at rated armature voltage motor will run at ____________

View solution