- (A) 21
- (B) 23
- (C) 25
- (D) 73
- (E) 79
Mechanical Engineering Mcqs
- (A) closed system
- (B) open system
- (C) isolated system
- (D) heterogeneous system
- (E) thermodynamic system.
- (A) pressure
- (B) temperature
- (C) specific volume
- (D) heat
- (E) density
- (A) mass does not cross boundaries of the system, though energy may do so
- (B) neither mass nor energy crosses the boundaries of the system
- (C) both energy and mass cross the boundaries of the system
- (D) mass crosses the boundary but not the energy
- (E) thermodynamic reactions do not occur
- (A) divided by its molecular weight
- (B) multiplied by its molecular weight
- (C) multiplied by its density
- (D) multiplied by its specific weight
- (E) divided by its specific weight
- (A) + ve
- (B) -ve
- (C) zero
- (D) maximum
- (E) minimum
- (A) the molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature
- (B) the sum of partial pressure of mixture of two gases is sum of the two
- (C) product of the gas constant and the molecular weight of an ideal gas is constant
- (D) gases have two values of specific heat
- (E) all systems can be regarded as closed systems
- (A) Joule’s law
- (B) Boyle’s law
- (C) Regnault’s law
- (D) Gay-Lussac law
- (E) Charles’ law
- (A) lithium bromide used in vapour absorption cycle is nonvolatile
- (B) lithium bromide plant can’t operate below 0°C
- (C) a separator is used in lithium bromide plant to remove the unwanted water vapour by condensing
- (D) concentration of solution coming out of lithium bromide generator is more in comparison to that entering the generator
- (E) weak solution in liquid heat exchanger gives up heat to the strong solution
- (A) heat exchange process
- (B) throttling process
- (C) isentropic process
- (D) adiabatic process
- (E) hyperbolic process
