A. 80.38
B. 80
C. 79.62
D. 78.51
0
The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
0
Atmospheric pressure corresponds to a hydrostatic head of_________________?
A. 2M
B. M/2
C. M
D. M/4
0
On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ______________ gm?
A. 13.6 cms of Hg
B. 34 ft ofH2O
C. 1 metre of H2O
D. 13.6 metres of Hg
0
At a temperature of 0°K, the molecules of a gas have only _______________ energy?
A. 82
B. 164
C. 41
D. 8.2
0
Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is________________?
A. Rotational
B. Vibrational
C. Translational
D. None of these
0
The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal _____________ in the two phases?
A. 20
B. 32.2
C. 45.35
D. 58.65
0
A butane isomerisation process produces 70 k.mole/hr of pure iso-butane. A purge stream removed continuously, contains 85% n-butane and 15% impurity (mole%). The feed stream is n-butane containing 1% impurity (mole%). The flow rate of the purge stream will be_________________?
A. Potential energy
B. Intermolecular forces
C. Kinetic energy
D. Total energy
0
Baffles are provided in heat exchangers to____________?
A. 3 kmole/hr
B. 4 kmole/hr
C. 5 kmole/hr
D. 6 kmole/hr
0
Maximum heat transfer rate can be expected in case of_________?
A. Remove dirt
B. Increase heat transfer rate
C. Reduce vibrations
D. Reduce heat transfer rate
Submitted by: Faheem Zaman Dhaunroo
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