Engineering Thermodynamics Which of the following is the correct statement? Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. Increases Remains constant Decreases None of these Increases Remains constant Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A sudden fall in the barometer reading is a sign of approaching Fine weather Rains Storm Cold wave Fine weather Rains Storm Cold wave ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the extensive property of a thermodynamic system? Volume Pressure Density Temperature Volume Pressure Density Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 10 to 20 3 to 6 15 to 30 5 to 8 10 to 20 3 to 6 15 to 30 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The process is adiabatic, if the value of n in the equation pvn = C, is γ One Zero ∝ γ One Zero ∝ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS