Engineering Thermodynamics The specific heat of air increases with increase in Temperature Pressure Both pressure and temperature Variation of its constituents Temperature Pressure Both pressure and temperature Variation of its constituents ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which All of these The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas The temperature of the gas changes All of these The change in internal energy is equal to the mechanical work done No heat enters or leaves the gas The temperature of the gas changes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1.45 1 2.3 1.4 1.45 1 2.3 1.4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (23/100) × Mass of excess carbon (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in steam boilers is Non-coking bituminous coal Coking bituminous coal Peat Brown coal Non-coking bituminous coal Coking bituminous coal Peat Brown coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 287 J/kgK 0.287 J/kgK 2.87 J/kgK 28.7 J/kgK 287 J/kgK 0.287 J/kgK 2.87 J/kgK 28.7 J/kgK ANSWER DOWNLOAD EXAMIANS APP
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