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Diploma Engineering - SEMESTER–IV • EXAMINATION – WINTER • 2014
Subject Code: 3341906 Date: 08-12-2014
Subject Name: Plant Maintenance and Safety
Time: 02:30 pm - 05:00 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) List the Primary and Secondary functions and responsibilities of maintenance
department. 07
(b) Explain corrosion prevention methods. 07
Q.2 (a) Define Wear. How it can be reduced? State its effects on performance. 07
(b) Give difference between preventive maintenance and breakdown
Maintenance. 07
OR
(b) Enlist types of lubricants and explain any two of them. 07
Q.3 (a) Draw a decision tree for the fault “Low air pressure in Compressor.” 07
(b) Define repair cycle. State the stages involved in repair cycle. 07
OR
Q.3 (a) Define Recovery and explain any one method of recovery with neat sketch. 07
(b) A Scooter engine fails to start. Draw a decision tree for the sequence of activities
involved in fault tracing. 07
Q.4 (a) Explain the need of preventive maintenance in industries. 07
(b) Classify types and causes of accident and explain. 07
OR
Q. 4 (a) Define the term “Erection” and list the equipment used in erection work. 07
(b) Explain the reconditioning and retrofitting of machine tools. 07
Q.5 (a) List five equipments used in conditioning monitoring. Explain any one with
Figure. 07
(b) Define foundation. State its effects for product accuracy and safety of machine operator. 07
OR
Q.5 (a) Describe procedure of periodic inspection. 07
(b) Explain service life of machine tools and equipments. 07
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