STUPIDSID
Answer any one question from Q1 (a), (b), (c), (d), or Q1 (e)
1 (a)
Define tensile Strength of a material.
2 M
1 (b)
State the composition of grey cast Iron and it's applications. GCI
2 M
1 (c)
What is modules of Elasticity? Give it's unit of measurement.
3 M
1 (d)
Explain the Iron-Carbon diagram.
7 M
1 (e)
Define Hardness and explain the Brinell hardness test.
7 M
Answer any one question from Q2 (a), (b), (c), (d), or Q2 (e)
2 (a)
Define temperature and name one device and it's operating principle for measuring temperature.
2 M
2 (b)
What is orifice meter. Draw it's diagram and give the formula used for measurement.
2 M
2 (c)
Explain the operating procedure of vernier caliper.
3 M
2 (d)
Write a short note on
i) Combination set
ii) Sine bar
i) Combination set
ii) Sine bar
7 M
2 (e)
Explain the quick return mechanism used in shaper with neat sketch.
7 M
Answer any one question from Q3 (a), (b), (c), (d), or Q3 (e)
3 (a)
Differentiate between real fluid and ideal fluid.
2 M
3 (b)
Define kinematic viscosity of fluid. What is it's unit of measurement?
2 M
3 (c)
What is hydrostatic law? Explain it.
3 M
3 (d)
What is venturimeter? Derive the expression for measuring rate of flow of fluid in a horizontal pipe.
7 M
3 (e)
What is a Hydraulic turbine? Draw a neat sketch of Pelton turbine and explain it's working.
7 M
Answer any one question from Q4 (a), (b), (c), (d), or Q4 (e)
4 (a)
What is internal energy?
2 M
4 (b)
Name boiler mountings and explain one of them.
2 M
4 (c)
At 1.2 MPa, 250°C steam enters into a turbine and expands to 30°C. Determine the work output of turbine for 10 kg/s of flow rate.
3 M
4 (d)
Explain the operating principle of a vapour compression refrigeration cycle.
7 M
4 (e)
In a boiler trial the following observation are made Feed water temperature = 40°C Boiler pressure = 15 bar Dryness Fraction of steam = 0.85 Coal consumption = 450 kg/h
Feed water supplied = 3500 kg/hr C.V. of coal = 40,000 kJ/kg Calculate the evaporation factor and equivalent evaporation at 100°C in kg/kg of coal.
7 M
Answer any one question from Q5 (a), (b), (c), (d), or Q5 (e)
5 (a)
Draw the hypothetical indicator diagram of a steam engine.
2 M
5 (b)
Draw the p-v diagram of carnot cycle and express it's efficiency.
2 M
5 (c)
Explain the fundamental difference between otto and diesel cycle.
3 M
5 (d)
Explain the working of a 4 stroke diesel engine.
7 M
5 (e)
Differentiate between two stroke and four stroke I.C. engine.
7 M
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