๐ญChemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs301
Extensive properties of a thermodynamic system depend upon the _____________ of the system?
ASpecific volume
BTemperature
CMass
DPressure
302
In the reaction, represented by, 2SO2 + O2 โ 2SO3; ฮH = โ 42 kcal; the forward reaction will be favoured by____________________?
Anor B
BHigh pressure
CBoth
DNeither
303
Chemical potential is a/an_____________________?
AExtensive property
Band C
CForce which drives the chemical system to equilibrium
DBoth
304
_______________ functions are exemplified by heat and work ?
APath
BPoint
CState
DNone of these
305
Domestic refrigerator usually works on the _____________ refrigeration cycle?
ACarnot
BAir
CAbsorption
Dvapour-ejection
306
(1/V) (โV/โT)P is the mathematical expression__________________?
AJoule-Thomson co-efficient
BSpecific heat at constant pressure (Cp)
Cco-efficient of thermal expansion
DSpecific heat at constant volume (CV)
307
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in__________________?
AIncreased COP
BSame COP
CDecreased COP
DIncreased or decreased COP; depending upon the type of refrigerant
308
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about _____________ percent?
A0.25
B0.5
C0.75
D1
309
Clausius-Clapeyron Equation gives accurate result, when the __________________?
AVapour pressure is relatively low and the temperature does not vary over wide limits
Band C
CVolume in the liquid state is negligible compared with that in the vapour state
DAll A,
310
Isentropic process means a constant _____________________ process ?
AEnthalpy
BPressure
CEntropy
DNone of these