Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as External energy Enthalpy Internal energy Entropy External energy Enthalpy Internal energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 224 liters 2.24 liters 0.224 liters 22.4 liters 224 liters 2.24 liters 0.224 liters 22.4 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 300,000 Nm 30 Nm 3000 Nm 300 Nm 300,000 Nm 30 Nm 3000 Nm 300 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the internal energy and enthalpy are the functions of temperature only Water Any gas Saturated steam Perfect gas Water Any gas Saturated steam Perfect gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Adiabatic process Constant volume process Isothermal process Constant pressure process Adiabatic process Constant volume process Isothermal process Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcp (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) mcp (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcv (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
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