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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.
Defrance between entrpy and enthalpy
Calculate the Net Positive Suction Head A pump station has been designed to lift water out of a 6 metre deep pit (vented to atmosphere) via a centrifugal pump mounted at groun
What are the advantages and disadvantages of induction motors? A coil of 500 turns is linked by a ?ux of 0.4 mWb. If the ?ux is reversed in 0.01 second, ?nd the e.m.f induced i
Power Metallurgy- The more appropriate name should be "Particulate Processing Methods". Here the particles of various sizes of metals, ceramics, polymers and glass etc, are presse
1. store energy 2. apply force on a body 3. balance force between two bodies 4. absorb vibrations of body
Pin-jointed steel structure: Find out the forces in the members of the pin-jointed steel structure. Solution Joint D Suppose f CD and f DE both as tensile forc
Sliding and Rolling Consider the following example. A cylinder of mass M and radius R is held at rest on a plane inclined at an angle to to the horizontal. When the cyl
Q . Determine MI of unequal angle section 15cm × 10cm × 1.5cm with longer leg vertical and is flange upwards. Figure Sol. : A 1 = 10 ×
(a) Can you explain the limitations of 1 s t law of thermodynamics ? Describe thermal energy Reservoir, heat sink and heat source. (b) Give the basic concept of Heat Engine, Ref
Fifth Service and Sixth Service Following extra mandatory checks are required during the fifth service of a 125 cc motorcycle : Inspect engine oil and top up as re
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