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Diploma Engineering - SEMESTER–IV • EXAMINATION – SUMMER • 2014
Subject Code: 3341906 Date: 05-06-2014
Subject Name: Plant Maintenance and Safety
Time: 10:30 am - 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. English version is considered to be Authentic.
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Q.1 (a) State the responsibilities of maintenance department. 07
(b) List causes and effects of wear. 07
Q.2 (a) Explain the factors affecting corrosion. 07
(b) Draw decision tree for low steam pressure in boiler. 07
OR
(b) Explain fault tracing and decision tree. 07
Q.3 (a) List various types of faults in machine tools and state their causes. 07
(b) Describe procedure of periodic inspection. 07
OR
Q.3 (a) Describe methods of degreasing and cleaning of machine parts. 07
(b) Explain overhauling and repair complexity. 07
Q.4 (a) Differentiate between predictive and preventive maintenance. 07
(b) Explain the factors related to control an accident. 07
OR
(b) Explain mechanical and electrical hazards. 07
Q.5 (a) Define recovery, reconditioning and retrofitting. 07
(b) Explain recovery methods for broken gear tooth and worn out guide ways. 07
OR
Q.5 (a) Define the terms foundation, erection and commissioning of equipment. 07
(b) Explain alignment and acceptance test of machine. 07
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