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An oil engine works on the Dual cycle, the heat liberated at consent pressure being twice that liberated at consent volume. The compression ratio of the engine is 8 and the expansion ratio is 5.3. But the compression and expansion process follows the law PV1.3 = C. The pressure and temp. at beginning of compression are 1 Bar and 27oC respectively. considering Cp =1.004 KJ/Kg oK and Cv =0.717 KJ/Kg oK for air, determine air standard efficiency and mean effective pressure.
Power
The transmission output shaft for a heavy goods vehicle can withstand a safe working shear stress of 54MPa. Its outside diameter is 54mm and its internal diameter is 48mm. Calculat
Q. 11: What is relation between the maximum tensile stress and the maximum compressive stress in any section of beam? Sol.: L et us assume inverted angle section of the beam a
Evaluate the normal and tangential stresses: Q. 20: At the point in stressed body, the principal stresses are σ x = 80 kN/m 2 and σ y = 40 kN/m 2 . Determine the norma
Q . Determine MI of unequal angle section 15cm × 10cm × 1.5cm with longer leg vertical and is flange upwards. Figure Sol. : A 1 = 10 ×
what is a micrometer
What is the Maximum bolt bending moment in a group for four equally spaced bolts?
Concep t of Temperature: The temperature is thermal state of body which describes the degree of hotness or coldness of body. If the two bodies are brought in contact, heat wi
A frame PQRSTU is hinged to a rigid support at P and is simply supported at T. It is loaded as indicated in the figure below. Determine the magnitude and nature of the force in the
Define the Abrasive Jet Cutting Machines 1. Abrasive jet cutting machines which are used to cut sheet materials or to remove materials of work piece from a surface by generatin
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