Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Hyperbolic expansion Free expansion Adiabatic expansion Throttling Hyperbolic expansion Free expansion Adiabatic expansion Throttling ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its temperature Raising its volume Raising its pressure Raising its temperature and doing external work Raising its temperature Raising its volume Raising its pressure Raising its temperature and doing external work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is zero Cut-off is constant Cut-off is increased Cut-off is decreased Cut-off is zero Cut-off is constant Cut-off is increased Cut-off is decreased ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Constant volume process Adiabatic process Isothermal process Constant pressure process Constant volume process Adiabatic process Isothermal process Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which law states that the specific heat of a gas remains constant at all temperatures and pressures? Joule's Law Regnault's Law Boyle's Law Charles' Law Joule's Law Regnault's Law Boyle's Law Charles' Law ANSWER DOWNLOAD EXAMIANS APP
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