Construction Engineering Question Paper - Dec 16 - Civil Engineering (Semester 8)

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Construction Engineering - Dec 16

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. Write short notes on the following with neat sketches wherever necessary.

1.a. Diaphragm wall

(5 marks) 8177

1.b. Mechanical Moles

(5 marks) 9835

1.c. DRAGLINE

(5 marks) 8149

1.d. BULLDOZER

(5 marks) 9857

2.a.i. Explain about Pile Driving Hammers

(5 marks) 9862

2.a.ii. Explain about Centrifugal Pump

(5 marks) 9863

2.b.i. Explain the following with neat sketches:

Lining of Tunnels and Ventilation in Tunnels

(5 marks) 9836

2.b.ii. Explain the following with neat sketches:

Air compressor

(5 marks) 9864

3. Explain any four from the following with neat sketches

3.a. Types of Cladding

(5 marks) 9822

3.b. Sand Drains

(5 marks) 9861

3.c. Rock Anchors

(5 marks) 10273

3.d. Foundation Grouting

(5 marks) 8178

3.e. Jack Hammers

(5 marks) 9865

3.f. Rollers and Compactors

(5 marks) 9866

3.g. Methods of "Depreciation" and formula for each method.

(5 marks) 9867

4. Find the Owning cost and operating costs for a construction equipment used in the large site with following give data:

Purchase cost = Rs. 15 Lakhs
Useful life = 10 Years (2000 Hrs. per year)
Operating factor = 0.65
Engine = 40 H.P. (Diesel Type)
Salvage value = 10% of purchase cost
Maintenance and repairs = 80% of depreciation
Investment cost = 12% of Average annual investment
Lubricating Oil = 20% of Fuel cost
Labour cost = Rs. 15,000/- per month

Assume any other data, if missing, as per the rule and state the same while doing all the detailed calculations.

(20 marks) 8155

5.a. Draw neat sketch for Tunnel boring machine and explain in detail how it works for tunneling purpose.

(10 marks) 9837

5.b. Draw neat sketch for Wellpoint system and how it works on the large site.

(10 marks) 11621

6.a. Draw neat sketches for Jaw crusher and Gyratory crusher and explain how these work.

(10 marks) 9843

6.b. Explain in detail about Mass Concreting and Vacuum Concreting along with sketches.

(10 marks) 10275

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