1(a)
Explain the working of hydroelectric power paln with a neat sketch.
10 M
1(b)
Distinguish between renewable and non-renewable sources of energy with suitable examples.
6 M
2(a)
With a neat sketch,explain the working of a water tube boiler. Show the path of flue gases.
10 M
2(b)
Draw a neat sketch of tempreature-Enthalpy diagram and indicate the following on it: Latent heat of evapotration, Amount of super heat.Sensible heat, Degree of superheat. Saturation tempreature.
6 M
3(a)
Discuss the advantages of steam turbines over their prime movers.
10 M
3(b)
Draw a neat sketch of a simple impulse water turbine indicating the parts.Explain its working.
6 M
4(a)
Explain the working of four stroke petrol engine with neat sketches.
10 M
4(b)
A 4-cylinder two stroke engine develop 30 k W at 2500 rpm. Calculate the diameter and stroke of each cylinder if the stroke to bore ratio is 1.5. The mean effective pressure on each piston is 6 bar and its mechanical efficiency is 80 percentage.
6 M
5(a)
Explain the process of taper turning by swiveling if the compound rest with a neat sketch.
10 M
5(b)
Differentiate between:
i) Drilling and reaming.
ii) Boring and counter boring.
i) Drilling and reaming.
ii) Boring and counter boring.
6 M
6(a)
Explain the Cartesian co-ordinate configuraton and spherical co-ordinate configuration robots with neat sketches.
10 M
6(b)
Mention the advantages and limitationsof automation
6 M
7(a)
Define composite materials. How are composites classified?
10 M
7(b)
Mention the applications of composite materials in aerospace and automotive industries.
6 M
8(a)
Explain the principle of are welding with a neat sketch.
10 M
8(b)
List the different types of oxyacetylene flames and state their applications.
6 M
9(a)
Explain the working principle of a vapour compression refigeration system with a neat sketch.
10 M
9(b)
List desirable properties a refrigerant.
6 M
10(a)
With a neat sketch, explain working a room air conditioner.
10 M
10(b)
Distinguish between refrigeration and conditioning.
6 M
More question papers from Elements of Mechanical Engineering