Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Intensive property of a system is one whose value Does not depend on the mass of the system, like temperature, pressure, etc. Depends on the mass of the system, like volume Is dependent on the path followed and not on the state Is not dependent on the path followed but on the state Does not depend on the mass of the system, like temperature, pressure, etc. Depends on the mass of the system, like volume Is dependent on the path followed and not on the state Is not dependent on the path followed but on the state 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 Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Process is executed in closed system cycle Its entropy will change due to irreversibility Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its pressure Raising its volume Raising its temperature Raising its temperature and doing external work Raising its pressure Raising its volume Raising its temperature Raising its temperature and doing external work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = m R T pv = C pvγ = C pvn = C pv = m R T pv = C pvγ = C pvn = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower Maximum temperature is higher Combustion is at constant volume Expansion and compression are isentropic Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
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