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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 the difference between hot and cold working
Write brief notes on the following : (a) Draught System (b) Binary Vapour Cycle (c) Cooling Towers (d) Governing of steam turbines
which are the different types of molding sands?explain each
Level of Safety Organization This level comprises representatives of safety departments working at shop floor level or along with workers. The personnel will in fact implement
What is Subsetting Subsetting : Vendors selected and implemented only portions of the whole of IGES, thus making exchange between two systems impossible without prior agreemen
CO 2 WELDING CO 2 welding is one of the variations of t he GMAW (Gas Met al Arc Welding) process which is now used for welding most structural and alloy steels. The operating
Explain Milling Fixture? A milling fixture is a work holding device which is firmly clamped to the table of milling machine. It holds the work piece in correct position as
Explain Index Jig? 1. This type of jig, as the name suggests, incorporate a suitable indexing mechanism, by means of which the work piece can be indexed to required posit
Q. What is Extrusion defects? • Surface cracking - When the surface of an extrusion splits. This is often caused by the extrusion temperature, friction, or speed being too high
Loosening a Part with Multiple Fasteners: Loosening a part with multiple fasteners should be done from the outside to inside in a criss-cross pattern, loosening the small fastener
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