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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.
1. Greater Design Freedom : Any changes that are required in design can be incorporated at any design stage without worrying about any delays since there would hardly be any i
Main Factors to be Considered when Selecting Material The main factors to be considered when selecting a material to meet some specific requirement are: Fitness of use,
a) What is Interference and show the relation for the minimum number of teeth required for a wheel. b) Show the relations for Maximum length of path of contact and Maximum lengt
Important section of fly-overs and underpasses: Culverts : A structure having a waterway upto 5 m. Minor Bridge : A structure having a waterway of 6-30 m. Medium Si
Various applications of numerical methods in the field of m=numerical engineering.
sand casting and its type
Determine elongation because of self weight of conical bar: Sol.: Consider conical bar ABC of length L with the diameter d fixed rigidly at AB . Let attention be focuse
Determine the reaction at specific points: A light rod AD can be supported by frictionless pegs at B and C and rests against frictionless wall at A as shown in th
what is boiler ? what is hard & soft water? how can we convert raw water into soft water?
Specification s of Hardness Testing Machines and Indentors: The Brinel cum Rockwell Tester has specifications which are stated below: Ability to determine the hardness up t
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