Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in cement industry and in metallurgical processes is Coke Bituminous coke Wood charcoal Pulverized coal Coke Bituminous coke Wood charcoal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Pressure Internal energy Temperature Volume Pressure Internal energy Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The volumetric or molar specific heat at constant pressure is the product of None of the listed here Molecular mass of the gas and the specific heat at constant volume Atomic mass of the gas and the gas constant Molecular mass of the gas and the gas constant None of the listed here Molecular mass of the gas and the specific heat at constant volume Atomic mass of the gas and the gas constant Molecular mass of the gas and the gas constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Friction Surface tension Heat Potential energy Friction Surface tension Heat Potential energy ANSWER DOWNLOAD EXAMIANS APP