Top 150+ Solved DC Generators MCQ Questions Answer
Q. The advantage of oil filled cables is
a. more perfect impregnation
b. smaller overall size
c. no ionisation, oxidation and formation of voids
d. all of the above
Q. The disadvantage with paper as insulating material is
a. it is hygroscopic
b. it has high capacitance
c. it is an organic material
d. none of the above
Q. The breakdown voltage of a cable depends on
a. presence of moisture
b. working temperature
c. time of application of the voltage
d. all of the above
Q. The metallic sheath may be made of lead or lead alloy or of aluminium.
a. Yes
b. No
c. none
d. none