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Specific Heat:
The specific Heat of a solid or liquid can be usually defined as heat required for raising unit mass through one degree temperature rise. That is,
dQ = mcdT;
dQ = mCpdT; For reversible non flow process at the constant pressure;
dQ = mCvdT; For reversible non flow process at the constant volume; Cp = Heat capacity at the constant pressure
Cv = Heat capacity at the constant volume
Determine the isentropic flow through the nozzle: In an isentropic flow through the nozzle, air flows at rate of 600Kg/hr. At inlet to the nozzle, the pressure is 2Mpa and te
Explain the uses of Residual soils Residual soils may be underlain by sloping rock which may contain weathered seams. The possibility of foundations sliding on these seams have
Solve the support reactions at A and D by using the force method. A is a fixed support; B and C are rigid joints; and D is a pin support. EI is constant for all members.
Compare Rankine cycle with Carnot cycle: Sol.: Rankine cycle without superheat: 1 - A - 2 - 3 - 4 - 1. Rankine cycle with superheat : 1 - A - 2 - 2′ -3′ - 4 - 1.
Rope drive: What do you mean by the term rope drive? Sol: The ropes are circular in section. Rope-drive is mostly used when distance between the driving shaft and drive
Calculate the Machining Time and the Material Removal Rate A through hole of 40 mm diameter and 50 mm depth is to be drilled in a mild steel component. The cutting speed can b
(a) What is an ideal gas ? How does it differ from perfect gas ? Write the different laws of perfect gas. (b) The pressure in a car tyre was checked at 15 o C temp. and reading
Q. Explain the types of belt drive used for power transmission? Also derive the velocity ratio of them. Sol: There are mainly three types of belt drive: (1) Open belt driv
Transformation Hardening The main features of the laser as a heat source for transformation hardening are: (A) Clean energy source. (B) Energy is localised: no heat spillage.
Q. Which functions used for coating? • Improves arc stability by providing certain chemical which have this ability, by ionizing the path of arc. • Provides a protective gaseou
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