For an ideal gas Cv = 0.157 kcal/(kg.K) and R = 260 m-N/(kg.K) the specific heats ratio (?) is
A.1.333
B.1.396
C.2.532
D.1.653
Category: Chemical Engineering Mcqs
Oleum gives fumes of
A.H2SO4
B.H2O+SO2
C.SO2
D.SO3
The amount of heat evolved or absorbed when one mole of any compound is formed from its elements is called
A.heat of transition
B.heat of combustion
C.heat of formation
D.heat of hydration
Flue gas viscosities at temperatures TA TB and TC ?C were obtained as 0.020 x 10-3 0.030 x 10-3 and 0.040 x 10-3 kg/m-s respectively. This means that
A.TA = TB = TC
B.TA > TB > TC
C.TA < TB < TC
D.TA < TC < TB
In the manufacture of urea from ammonia and carbon dioxide
A.aluminium oxide is used as catalyst
B.platinum is used as catalyst
C.silica-alumina mixture is used as catalyst
D.no catalyst is required
The number of protons in the nucleus 92U235 is
A.327
B.92
C.235
D.143
If the oxygen concentration of flue gas is too low
A.the amount of excess air should be decreased
B.the amount of excess air should be increased
C.the amount of excess air should be kept constant
D.there is dry-gas or stack loss
Slaked lime is
A.NaOH
B.KOH
C.Ca(OH)2
D.CaO
