B.Tech. Civil (Construction Management) Term-End Examination December, 2011 ET-523 (B) : Operation and Maintenance of Construction Equipment
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Time : 3 hours
Note :
Maximum Marks : 70
Answer any seven questions. All questions carry equal marks (10).
1.
(a) What are the general considerations in 5 selecting the equipment ? (b) Why do you carry out cash flow analysis for equipment?
2.
(a) What do you understand by operating 5 schedule ? What are its objectives ? (b) What are the potential health hazards on a 5 construction project ? Write measures to avoid them.
3.
(a) Describe the terms erection, dismantling and 5 shifting with reference to construction equipment. Write the precautions to be taken while performing these tasks. (b) How are downtime costs computed in 5 construction equipment ? How will you handle breakdown ?
ET-523(B)
1
P.T.O.
4.
(a) What are the criteria for replacement of equipment ? (b) What do you mean by construction target ? 5 How does it help in production rate ?
5.
What is importance of documentation in 10 maintenance of construction equipment ? List various records you would maintain along with cares to be taken. (a) (b)
7.
8.
What are maintenance schedules ? What 5 does maintenance schedule card indicate ? What are the components of a planned 5 repair and maintenance system ?
(a) What is priming ? What are the methods of 5 priming a pump? (b) What factors determine the power required 5 to lift water from a lower level to higher level ? How will you decide the power requirement for above ? (a) Distinguish between petrol engine and 5 diesel engine. (b) Explain the importance of coding of IC 5 engines. How do you code IC engines?
9.
Describe centrifugal and reciprocating 1 0 compressors with neat sketches. Also write about their maintenance.
10.
Explain the following with neat sketches. 10 (a) Ram type grout pump (b) Double acting steam hammer.
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