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DIPLOMA ENGINEERING – SEMESTER – • EXAMINATION – SUMMER-2015
Subject Code: 3341906 Date: 19/05 /2015
Subject Name: PLANT MAINTENANCE AND SAFETY
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make Suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of programmable & Communication aids are strictly prohibited.
5. Use of only simple calculator is permitted in Mathematics.
6. English version is authentic.
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Q.1 Answer any seven out of ten. 14
1. Define maintenance engineering.
2. List the types of maintenance.
3. List types of wear.
4. List out corrosion prevention methods.
5. Define decision tree.
6. Define De-greasing.
7. Define an accident.
8. Define retrofitting
9. Define erection.
10. Define foundation.
Q.2 (a) Explain any two types of maintenance. 03
OR
(a) Explain primary function of maintenance engineering. 03
(b) List the causes of wear. 03
OR
(b) List the effect of wear. 03
(c) Explain desirable properties of lubricant. 04
OR
(c) List out the lubrication methods. 04
(d) Differentiate galvanic and biological corrosion. 04
OR
(d) Explain cathodic protection. 04
Q.3 (a) List out different method of De-greasing and cleaning. 03
OR
(a) Explain needs of cleaning the parts. 03
(b) Explain fatal accident. 03
OR
(b) Explain safety colour code. 03
(c) List out reason for lath chuck stops revolving. 04
OR
(c) List the steps involving in preparing decision tree. 04
(d) Explain VEIN analysis. 04
OR
(d) List the mechanical hazards and its causes. 04
Q.4 (a) Write a Short note on repair complexity. 03
OR
(b) Describe causes of fire. 04
OR
(b) Write a note on fire fighting methods. 04
(c) Scooter engine does not start. Draw a decision tree for it. 07
Q.5 (a) Explain chromium plating. 04
(b) List out advantages of reconditioning. 04
(c) List out effects of foundation.03
(d) Write a short note on grouting. 03
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