Engineering Thermodynamics First law of thermodynamics Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Hydrogen Oxygen Methane Nitrogen Hydrogen Oxygen Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics 1 kgf/cm² is equal to 760 mm Hg 1 mm Hg 735.6 mm Hg Zero mm Hg 760 mm Hg 1 mm Hg 735.6 mm Hg Zero mm Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero Process is executed in closed system cycle Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Zero pressure 273°K Centre of earth Vacuum Zero pressure 273°K Centre of earth Vacuum ANSWER DOWNLOAD EXAMIANS APP
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