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(a) Derive a mathematical expression to determine the efficiency of Bell Coleman Cycle.
(b) A dense air refrigeration cycle acts between pressures of 4 bar and 16 bar. The air temperature after heat rejection to surroundings is 370C and air temperature at exit of refrigerator is 70C. The isentropic efficiencies of turbine and compressor are 0.8 and 0.85 respectively.
Calculate compressor and turbine work per TR; COP; and power per TR.
Calculations for force: A square block having 25cm side and weighing 20N is hinged at point A and rests on rollers at point B as shown in the figure given below. It is pu
Indicator diagram and indicated power: An indicated diagram is graph between pressure and volume. The former being taken on the vertical axis and latter on the horizontal axis
Find out the deflection: Find out the deflection (vertical) at a distance 'a' from the tip in Example Solution As in this case there is no load at the point where the
A shaft transmits 200kw at 180rev/min between a prime mover and a water pump. calculate the strain energy stored perunit length of the shaft and hence the angle of twist in the sha
Relation between stress and strain: The relation between stress and strain is generally shown by plotting a stress-strain (σ -e) diagram. Stress can be plotted on ordinate (ve
Shear Stress Distribution of T section
Fourth Gear Position: When gear M4 on the main shaft is in mesh with gear C4 on the countershaft then this is known as fourth gear position. The free gear M4 rotates with the
Elastic Limit: Sol. : When external force acts on the body, the body tends to undergo some deformation. If external force is removed and body comes back to its original shap
ELECTRIC DISCHARGE PHENOMENON The flow of electricity through metallic solids, or through liquid metals is called Conduction. The electricity flow through ionic solutions
A large hydraulic cylinder is to be treated using autofrettage, taking 80% of the wall thickness into the plastic range. The external diameter of the vessel is 200mm and the inter
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