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CH 2 MCQ - with Answers Flipbook PDF
CH 2 MCQ - with Answers
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K. K. Wagh Polytechnic, Nashik (1103). Electrical Engineering Department. Academic Year 2019-2020. MEE (22625) MCQ on Unit No 02: Maintenance Schedules. -With Answers
- By : Mr. S.R. Pawar
1) Predictive maintenance is also known as a) Condition based maintenance b) Routine Maintenance c) Preventive maintenance d) Breakdown maintenance Correct Answer a) Condition based maintenance
2) Conditioning monitoring is done in a) Routine Maintenance b) Preventive maintenance c) Predictive maintenance d) Breakdown maintenance. Correct Answerc) Predictive maintenance
3) The frequency of inspection schedule depends on ………… of machine. a) Maintenance Schedule b) Delay time c) Duty cycle. d) None of these. Correct Answerc) Duty cycle.
4) Firstly considered prior to prepare a final preventive maintenance schedule is a) Age of the machine b) Cost of machine c) Overload working of machine d) All of the these. Correct Answerd) All of the these.
5) Type of fault developed in electrical machines. a) Magnetic fault b) Mechanical fault c) Electrical fault d) All of these Correct Answerd) All of the these.
6) Routine maintenance is an overall ……………… of the machine. a) Weekly maintenance b) Monthly maintenance c) Daily maintenance d) All of these. Correct Answer – c) Daily maintenance
7) Factor affecting Preventive maintenance schedule a) Failure of machines b) Periodic order c) Position of the machine in the plant d) All of these. Correct Answerd) All of these.
8) Causes of failure of electrical machines. a) External causes b) Internal causes c) Both (a) & (b) c) None of these. Correct Answer – c) Both (a) & (b)
9) Some turns of phase windings get shorted a) External causes b) Internal causes c) Both (a) & (b) c) None of these. Correct Answerb) Internal causes
10) During normal working short circuit may occur due to some reasons. a) External causes b) Internal causes c) Both (a) & (b) d) None of these. Correct Answer-
11) Factor affecting life of transformer a) Moisture b) Presence of oxygen. c) Stackness of winding d) All of these. Correct Answerd) All of these.
12) Increase the working temperature by One-degree Celsius machine life reduces by ………%. a) 50% b) 40% c) 15% d) 10%. Correct Answerd) 10%.
13) Check for dielectric strength and water content in transformer oil a) Daily b) Weekly c) Quarterly d) Monthly. Correct Answerc) Quarterly
14) Check ambient temperature of the transformer. a) Hourly b) Two hourly c) Six hourly d) Eight hourly. Correct Answera) Hourly
15) Check the noise of bearings of rotating machine. a) Daily b) Weekly c) Quarterly d) Monthly. Correct Answerd) Monthly.
THANK YOU Prepared By – Mr. S. R. Pawar