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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 and classified parallel forces Sol.: The forces, the lines of action of which are parallel to each other, are called as parallel forces. They do not meet at one point
(a) What do you mean by machinibility ? Discuss the factors which come into play while evaluating the machinability of any metal. Also describe machinability index. (b) Brass co
Scrapper: Scrappers are used to scrap gasket or other such materials from flat or irregular surface. Scrappers of several sizes are shown in Figure. Figure : Scrapper
Suspension System, Wheels and Tyres: There are numerous types of suspensions for connecting the wheels to frame body. The suspension plays the vital role in handling and driving
interview
Q. What is Indirect extrusion? In indirect extrusion, also known as backwards extrusion, the billet and container move together while the die is stationary. The die is held i
how can I determine the relative velocity in mechanism
What is maximum shear stress in mechanics of materials ? Derivation for maximum and minimum shear stress seperately.
A cantilever of length 2m carries a uniformly distributed load of 1.5 KN/m run over the whole length and appoint load of 2KN at a distance of 0.5 from the free end draw the Shear
CONSTRUCTIO N and WORKING: The boiler barrel is cylindrical shell and consists of large number of flue tubes. The barrel comprise of a rectangular fire box at one end and a
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