Category: Heat Engines Mcqs

A.To assist inflow of oil
B.To prevent clogging of burner
C.To improve combustion efficiency
D.To uniformly spray oil in combustion chamber
E.None of the above

A.Charle’s law
B.Gay Lusac’s law
C.Dalton’s law
D.Lewis law
E.None of the above

A.15 – 40 kg/cm2
B.50 – 100 kg/cm2
C.100 – 150 kg/cm2
D.150 – 200 kg/cm2
E.200 – 350 kg/cm2

A.In gas turbines for compression of air
B.For supercharging reciprocating engine
C.In jet propulsion units
D.In rockets for producing air fuel mixture
E.None of the above

A.Atmospheric conditions at any specific location
B.1 kg/cm2 and atmospheric temperature (Relative humidity of 64%)
C.1 kg/cm2 and 20?C (Relative humidity of 36%)
D.1 kg/cm2 and 0?C (Relative humidity of 36%)
E.None of the above

A.Bicarbonates of calcium and magnesium
B.Sulphates of calcium and magnesium
C.Chlorides of calcium and magnesium
D.Nitrates of calcium and magnesium
E.None of the above

A.1 kg
B.5 – 7 kg
C.10 – 14 kg
D.15 kg
E.20 kg

A.consists of only a single chemical species
B.May have a number of chemical species that the composition remains constant
C.has no dissolved impurities
D.behaves as perfect gas

A.More than the coldest atmospheric temperature at which oil is to be pumped
B.Less than the coldest atmospheric temperature of which oil is to be pumped
C.More than 100?C
D.More than 0?C
E.Less than 0?C

A.Where a difference is observed in any microscopic property of the system between different times of states
B.Where a difference is observed in any microscopic property of the system between different times or states
C.Which occur in the direction of an intensive property or driving force contained within the system
D.Which require an agency outside the system to force the process
E.None of the above