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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.
What is heat treatment and why is it done? Heat treatment can be described as a combination of operations or processes in which cooling and heating of an alloy or metal is done
An open belt connects two flat pulleys. The pulley diameters are 300 mm and 450 mm and the corresponding angles of Cap are 160 o and 210 o . The smaller pulley runs at 200 r.p.
How we say that motion of the follower is simple harmonic motion describe in practical approch
WHAT IS THEMODYNAMICS
Draw TS and pv diagrams of a dual cycle. Why this cycle is also named limited pressure or mixed cycle ? Derive the mathematical expressions for the efficiency and mean effective pr
Determine the RF on the scale: A length of 3 km on the ground is presented via 6 cm length on a map. Determine the RF on the scale on that it has been drawn. RF = Length o
Q. A rectangular beam of 200 mm in breadth and 400 mm in depth is simply supported over span of 4m and carries distributed load of 10 KN/m. Find out the maximum bending stress in
A perfect gas flows through a nozzle when it expends in a reversible adiabatic manner, the inlet conditions are 22 bar,, 500 o c, 38 m/s. At exit the pressure is 2 bar. Evaluate th
Characteristics of Adhesives and Adhesive Joints While an adhesive joint is created this has to show individual or several of given properties. (a) Mechanical strength again
need help with reports on thin thick and combined cylinder theory
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