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Construction Engineering Question Paper - Dec 17 - Civil Engineering (Semester 8) - Mumbai University (MU)
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Construction Engineering - Dec 17

Civil Engineering (Semester 8)

Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.

1.a. Classify the construction equipment based on their performance. Explain the role of construction engineer in construction industry.
(10 marks) 9873

1.b. Enlist the different methods of tunneling in Hard rock. State the various stages in construction of tunnel along with the equipment required. Describe with neat sketches how would you proceed Lo carry out tunneling in rock by the heading and benching method.
(10 marks) 9840

2.a. What is meant by balancing of equipment? Cycle time of power shovel of $2 m^3$ capacity is 30 seconds. Truck of $8 m^3$ and $12 m^3$ are available at rate of Rs. 800 and Rs. 1200/day respectively for 10 hrs. The cycle time of $8 m^3$ truck is 14 minutes. And $12 m^3$ trucks are 16 minutes. How do you balance the operation of shovel and truck with least idle time and minimum cost.
(10 marks) 9882

2.b. What are commonly used hoisting equipment in construction industry? Explain tower crane with neat sketch with respect to types, components, working suitability and factors affecting its performance.
(10 marks) 9874

3.a. Classify various aggregate producing equipment. Describe jaw crusher with neat sketch stating components and it's working.
(10 marks) 9875

3.b. Define shotcreting. What are the different methods of shotcreting? State the applicaton of shotcreting with merits.
(10 marks) 9825

4.a. What do you understand by ground improvement? What properties of ground are improved by sand drains? Discuss the ground improvement technique by sand drain with a neat sketch stating diameter, depth, spacing and specification of sand to be used.
(10 marks) 9832

4.b. Describe different types of blasting materials along with their constituents? What precautions are required to be taken during transportation and storing of blasting materials?
(10 marks) 9876

5.a. Describe lining of tunnel in detail. Explain the method of concrete lining in tunnel.
(10 marks) 9841

5.b. What is mass concrete? What are the effects of mass concreting during and after placing? What precaution will you take for mass concreting? Explain.
(10 marks) 8183

6. Write short notes on (any four)

6.a. Types of Cladding
(5 marks) 9822

6.b. Grouting
(5 marks) 8178

6.c. Slip form work techniques
(5 marks) 9826

6.d. Drilling pattern
(5 marks) 9858

6.e. Dozer
(5 marks) 9857

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