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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.
Define density and specific volume. DENSITY (ρ) Density is illustrated as mass per unit volume; Density = mass/ volume; ρ = m/v, kg/m 3 P for Hg = 13.6 × 10 3 kg/m 3
Define Electro Discharge Machining In Electro-discharge machining (E.D.M) process the metal is removed from the work piece due to erosion caused by rapidly recurring spark
What are the condition that could allow a continuous chip to be formed in a metal cutting ? How is metal removed in metal cutting? Illustrate the Process with neat sketch. What
Graphical simulation animation of a CAD system can be used to inspect the tolerance and interference of matching components of a product. It will be possible to precisely define
Find out the Acceleration of the mass centre: A wheel of mass 200 kg and a diameter of 700 mm rolls without slipping down a plane inclined at an angle of 20 o with the horizo
I have completed mechanical engineering ..2012 passed out...i need to get job in core companies...how i can get it
Heat generated uniformly in Stainless steel plate having k=20 W/m. 0 C. The thickness of the plate is 1cm and the heat generation rate is 500 MW/m 3 . If the two sides of the plate
Newton's law of motion. Sol.: The entire system of Dynamics is based on the three laws of motion that are basis assumptions, and were initially formulated by Newton. Fir
Cutting Test: Once the sand blasted blade were went through the washing process. Quality Control technician will randomly pick 15 pieces of blade to go for cutting
polytropic process
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