M.B.A. DEGREE EXAMINATION, APRIL 2018
Second Semester
Environment and Industrial Safety
ELECTRICAL SAFETY
(2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What is the working principle of electrical equipment?
2. Define electro magnetism.
3. Define lighting arrester.
4. What is meant by energy leakage?
5. Define short circuit.
6. What is meant by FRLS insulation?
7. What are uses of portable tools?
8. Name any five hazardous of electrical.
9. What is lock out?
10. Define hazardous zone.
Sub. Code
23
CP-8803
2
Wk 10
Part B X 5 25)
Answer all questions.
11. Explain about electro magnetism.
Or
Write about Cardio pulmonary resuscitation.
12. Briefly explain the primary and secondary hazards.
Or
Explain the classification of voltage.
13. Write short notes on system grounding.
Or
Briefly note on ELCB.
14. Describe about work permit system.
Or
Explain about cabling and cable joints.
15. Explain the classification of hazardous zones.
Or
Enumerate the temperature classification.
Part C X 10 30)
Answer all questions.
16. Write short notes on
Stored energy.
Energy radiation.
Electro magnetic interference.
Or
Explain about over current and short circuit
current.
CP-8803
3
Wk 10
17. What are the international standards on electrical
safety? Explain them.
Or
Explain the rules of Indian Electricity Act.
18. Briefly explain electrical causes of fire and
explosion.
Or
What are the functional requirements of an earth
system? Explain them.
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