106 BME&BCE

BTECH DEGREE I&II SEMESTER EXAMINATION JUNE 2008

BASIC CIVIL ENGINEERING

Time:1 ½ Hrs Max marks:50

PART A

1. 1) What are the quality requirements for aggregates?

2) Explain briefly, raff foundation with neat sketch.

3) Draw the plan of alternate courses in Flemish bond for cross junction of 2 walls of

1 ½ brick thickness.

4) What are the advantages of steel trusses?

5) Compare English bond & Flemish bond.

PART B

2. What are various methods for testing of bricks?

OR

3. What is shallow foundation? Explain different types of shallow foundations.

4. The following consecutive readings were taken with a dumpy level.

1.895, 1.500, 1.865, 2.570, 2.990

2.020, 2.410, 2.520, 2.960, 3.115.

The level; was shifted after 4th ,6th & 9th readings. The R.L of the first point was

30.500. Calculate the RLs of points & apply the usual checks.

OR

5. What are different types of levels? Explain with sketches.

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BASIC MECHANICAL ENGINEERING

Time:1 ½ Hrs Max marks:50

PART A

1. 1) 1 g of a fluid is compressed reversibly according to a law PV=0.2 ,where p is in

bar& V is in cubic meter / kg. The final volume is ¼ of the initial volume. Calculate

the work done on the fluid.

2) Briefly explain vapour absorption refrigeration systems with neat sketch.

3) Explain the working of an impulse turbine with neat sketch.

4) Explain the working principle of a diesel fuel with neat sketch.

PART B

2. 1) Derive an expression for heat transferred in a polytropic process in terms of ratio

of specific heat & polytropic index.

2) Explain winter air conditioning system with a neat sketches.

OR

3. Explain the working principle of a 4 stroke petrol engine with neat sketches.

4. Explain different methods of lubrication of IC engines.

OR

5. What are different methods of arc welding? Explain welding defects.

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