KERALA UNIVERSITY Class 8 electrical machine design Question Paper 2008

Practice authentic previous year questions for better exam preparation.

Sample Questions

Explain any five types of enclosures used in rotating electrical machines.
Define continuous and short time rating of machines.
The initial temperature of a machine is $40^{\circ} \mathrm{C}$. Calculate the temperature of the machine after one hour if its final steady temperature rise is $80^{\circ} \mathrm{C}$ and the heating time constant is two hours. The ambient temperatu...
Prove that for a range of transformers voltage per turn $=K \sqrt{K V A}$, where K is a constant.
Define field form factor.