- (A) Ten times dilution of a normal solution (N) reduces its normality to N/10
- (B) When equal weights of oxygen and methane are mixed in an empty reactor at room temperature, then the fraction of total pressure exerted by the oxygen is 1/2
- (C) Volume occupied by 9.034 x 1023 atoms of oxygen in ozone (O3) at NTP will be 11200 c.c
- (D) One kg mole of an ideal gas at N.T.P occupies 22400 Nm3
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- (A) 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
- (B) 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3
- (C) 1 BTU/lb = 2.3 kcal/kg
- (D) 1 kcal/m3 = 0.1124 BTU/ft3
- (A) ‘Reduced temperature’ of a substance is the ratio of its existing temperature to its critical temperature, both expressed on Celsius scale
- (B) ‘Reduced pressure’ is the ratio of the existing pressure of a substance to its critical pressure
- (C) ‘Reduced volume’ is the ratio of the existing molal volume of a substance to its critical molal volume
- (D) None of these
- (A) Heat capacity of a diatomic gas is higher than that of a monatomic gas
- (B) Equal volumes of Argon and Krypton contain equal number of atoms
- (C) Total number of molecules contained in 22.4 litres of hydrogen at NTP is 6.023 x 1023
- (D) The binary mixture of a particular composition in both vapor and liquid state is known as an azeotropic mixture
- (A) A vapor is termed as a saturated vapor, if its partial pressure equals its equilibrium vapor pressure
- (B) A vapor whose partial pressure is less than its equilibrium vapor pressure, is termed as a ‘superheated vapor’
- (C) The temperature at which a vapor is saturated is termed as the boiling point
- (D) The difference between the existing temperature of a vapor and its saturation temperature (i.
- (E) dew point) is called its ‘degree of superheat’
- (A) Mercury in glass thermometer (without any covering or air gap)
- (B) Bare metallic thermometer
- (C) Bare vapor pressure thermometer
- (D) All
- (A) Damped vibrator
- (B) Mercury in glass thermometer kept in boiling water
- (C) Interacting system of two tanks in series
- (D) Non-interacting system of two tanks in series
- (A) °API gravity
- (B) Specific gravity
- (C) Viscosity
- (D) Flashpoint
- (A) Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin
- (B) Catalytic alkylation processes use HF, AlCl3 & H2SO4 as Catalysts
- (C) All the alkylation processes use very high temperature (> 1000°C)
- (D) Gasoline having an octane number of 90 can be produced by alkylation process
- (A) With increase in the reactor pressure, octane number of gasoline decreases
- (B) With increase in the reactor temperature, gasoline yield decreases for a given conversion
- (C) Percentage conversion increases with increase in the catalyst to oil ratio
- (D) All
