921. The maximum adiabatic flame temperature of fuels in air is ____________ the maximum flame temperature in pure oxygen?
A. Lower than
B. Higher than
C. Same as
D. Not related to

922. Kinematic viscosity of 1 m2 /second is equivalent to _____________ stokes?
A. 10
B. 102
C. 103
D. 104

923. Which of the following gases is the most soluble in water ?
A. NH3
B. CO2
C. H2S
D. CH4

924. 1 kg/m2 is equal to ______________ mm water column?
A. 1
B. 10
C. 100
D. 1000

926. Boiling point of a non-homogeneous mixture of immiscible liquids is _____________ that of any one of its separate components?
A. Lower than
B. Higher than
C. Equal to
D. Either A. or B.; depends on the liquids

927. The vapour pressure of a solution (made by dissolving a solute in a solvent) is ____________ that of the pure solvent?
A. Less than
B. More than
C. Equal to
D. Either more or less; depends on the solvent

928. At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant ?
A. 273°C
B. 273°K
C. 100°C
D. 200°C

929. Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?
A. °Be = (140/G) – 130
B. °Be = 200(G-1)
C. °Be = 145 – (145/G)
D. °Be = (400/G) – 400

930. The vapor pressure of a substance, at its melting point, is _____________ in the solid state as compared to that in the liquid state?
A. Less
B. More
C. Same
D. Either A. or B.; depends on the nature of the substance

NOTE
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