0The gas turbine cycle with regenerator improves
(A) Work ratio
(B) Thermal efficiency
(C) Avoid pollution
(D) None of these
The compression ratio is the ratio of
(A) Total volume to swept volume
(B) Swept volume to clearance volume
(C) Swept volume to total volume
(D) Total volume to clearance volume
The unit of pressure in S.I. units is
(A) kg/cm²
(B) mm of water column
(C) Pascal
(D) Dyne per square cm
A closed system is one in which
(A) Mass does not cross boundaries of the system, though energy may do so
(B) Mass crosses the boundary but not the energy
(C) Neither mass nor energy crosses the boundaries of the system
(D) Both energy and mass cross the boundaries of the system
Temperature of a gas is produced due to
(A) Its heating value
(B) Kinetic energy of molecules
(C) Repulsion of molecules
(D) Surface tension of molecules
According to kinetic theory of gases, the absolute zero temperature is attained when
(A) Volume of the gas is zero
(B) Pressure of the gas is zero
(C) Kinetic energy of the molecules is zero
(D) Specific heat of gas is zero
