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) v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of one bar (in S. I. units) is equal to 1 × 102 N/m2 1 × 103 N/m2 1 × 104 N/m2 1 × 105 N/m2 1 × 102 N/m2 1 × 103 N/m2 1 × 104 N/m2 1 × 105 N/m2 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 Joule's Law Charles' Law Regnault's Law Boyle's Law Joule's Law Charles' Law Regnault's Law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on Particular adiabatic process The value of heat transferred The value of index ‘n’ The end states only Particular adiabatic process The value of heat transferred The value of index ‘n’ The end states only ANSWER DOWNLOAD EXAMIANS APP