1.0197 kgf/cm²
1 kgf/cm²
0 kgf/cm²
1.033 kgf/cm²

Engineering Thermodynamics Which of the following is the property of a system?

Volume and density
Enthalpy and entropy
All of these
Pressure and temperature

Engineering Thermodynamics A perpetual motion machine is

A hypothetical machine
A thermodynamic machine
A non-thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics

Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called

None of these
Specific heat at constant pressure
kilo-Joule
Specific heat at constant volume

Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is

Less than Diesel cycle and greater than Otto cycle
Greater than Diesel cycle and less than Otto cycle
Less than Diesel cycle
Greater than Diesel cycle

Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

All of these
[m R (T1 - T2)] /(γ - 1)
(p1 v1 - p2, v2)/(γ - 1)
[m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)]