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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) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
what are the complications of a binary vapour cycle?
Limit of proportionality: Limit of proportionality is the stress at which the stress - strain diagram ceases to be a straight line that is, stress at which the extension ceas
(a) Draw P-H and T-S diagrams for following cases : (3) (i) Cycle with superheated vapour before compression. (ii) Cycle with sub-cooling or under-cooling of refrigerant.
Tungsten Inclusions Tungsten inclusion is a discontinuity found only in TIG welding. Particles of tungsten from the electrode can be embedded in a weld when improper welding proc
what do you understand by two like and unlike parallel forces?
Q. An I section has dimensions Top flange = 8 cm × 2 cm; Bottom flange = 12 cm × 2 cm; Web = 12 cm × 2 cm; Over all the depth of section = 16 cm. Determine M.I. of I s
proof of work being a path function
details of form tool
A facility that uses machines to fabricate devices from stock raw materials or to change mechanisms based upon given specifications. Also, know as "Back" Shops. The common machi
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