Question

SEMESTER-IV
TIME: 2 HRS.
Note: Attempt all questions. All question carry equal marks.
MARKS: 150
Choose the correct answer:-
1. What fault occur due to excessive heat produced in automatic electric iron?
a) Sticks to clothes
) Iron gives shock
c) Tears the clothes
d) Blisters on sole plat
2. Why the gas discharge lamps must not be operated with broken condition?
a) Possible to get injuries
b) To avoid electric hazard
c) Possible to get electric shock d) Lead to exposure of ultraviolet rays
3. Which maintenance is carried out on machines and controls at regular intervals before
machines develop trouble?
a) Routine maintenance
b) Periodical maintenance
c) Preventive maintenance
d) Break down maintenance
4. Which maintenance of the machine to be carried out after machine gets fault/repair?
a) Routine maintenance
b) Periodical maintenance
c) Preventive maintenance
d) Brake down maintenance
5. What is the necessity of maintenance?
a) Increase the total production
b) Improve the attitude of workers
c) Reduce the electric power consumption
d) Increase the life and efficiency of the machines
6. Which principle the constant voltage transformer works?
a) Self induction principle
b) Fall in potential principle
c) Ferro-resonant principle
d) Mutual induction principle​

Answer 1

Answer:

pura quetion paper he chaple

Answer 2

Answer:

sorry my dear friend ☺️☺️☺️☺️