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(a) Describe heat engine. How is this engine characterized?
(b) Describe Perpetual motion machines of first kind and second kind, i.e. PMM1 and PMM2. Are such machines possible to build? If no then why?
(c) A reversible engine receives heat from a high temperature reservoir at T1K and rejects heat to a low temperature sink at 560 oC. A second reversible engine receives heat rejected by the first engine at 560 oC and rejects heat to cold reservoir at 4.4 oC. Determine the temperature T1 for the engines , if they deliver same work.
A tensile test on a specimen having an initial diameter of 13.11 mm and an initial gauge length of 200.0 mm, gave the following data:
Metallurgical Compatibility The two facets of property as above could be made analogous crudely to an athlete's wholesome strength, which includes both his physical fitness an
Compression Ratio (r): It is the ratio of the total cylinder volume when the piston is at the bottom dead centre, V t to the clearance volume, V C . R= v t /v c
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a cent
A gantry crane shown in figure above acts an auxiliary to bridge cranes. It is provided with wheels and can be moved from open place to another as per requirements.
Motion on the inclined plane when the surface is rough: The figure given above shows a body having weight W, sliding down on rough inclined plane. Assume, θ= Angl
Defects Involving Inadequate Bonding Lack of fusion Involves lack of complete melting and fusion of some portion of the weld metal in a joint. It may occur either bet
Forecasting: Forecasts play a vital role in determining material needs that constitute inventories and in establishing production plans. In this unit, you have studied the imp
1. Production Capacity : Machines idled by breakdowns cannot produce thus the capacity of the systems is reduced. 2. Production cost: Labor costs per unit rise beca
sir, you are doing such a great thing.but my suggestion is that please u put some engineering problems to solve. for engineering student like me.
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