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)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 2.3 1.4 1.45 1 2.3 1.4 1.45 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called None of these Wood charcoal Bituminous coal Briquetted coal None of these Wood charcoal Bituminous coal Briquetted coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Temperature Both pressure and temperature Pressure Variation of its constituents Temperature Both pressure and temperature Pressure Variation of its constituents ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which law states that the specific heat of a gas remains constant at all temperatures and pressures? Boyle's Law Regnault's Law Joule's Law Charles' Law Boyle's Law Regnault's Law Joule's Law Charles' Law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The isothermal and adiabatic processes are regarded as Reversible process Reversible or irreversible process None of the listed here Irreversible process Reversible process Reversible or irreversible process None of the listed here Irreversible process ANSWER DOWNLOAD EXAMIANS APP