🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs191
As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches_______________________?
AUnity
BZero
CThat of the heat of reaction
DInfinity
192
Boyle’s law for gases states that____________________?
AP ∝ 1/V, when temperature is constant
BP ∝ 1/V, when temperature & mass of the gas remain constant
CP ∝ V, at constant temperature & mass of the gas
DP/V = constant, for any gas
193
The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be _______________?
AMore
BLess
CSame
DData insufficient to predict
194
With increase in pressure (above atmospheric pressure), the Cp of a gas_____________________?
AIncreases
BDecreases
CRemains unchanged
DFirst decreases and then increases
195
PVy = constant, holds good for an isentropic process, which is_________________?
AReversible and isothermal
BIsothermal and irreversible
CReversible and adiabatic
DAdiabatic and irreversible
196
A gas shows deviation from ideal behaviour at______________?
ALow pressure and high temperature
BLow pressure and low temperature
CLow temperature and high pressure
DHigh temperature and high pressure
197
The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is________________?
A(∂T/∂V)S = – (∂P/∂S)V
B(∂S/∂P)T = – (∂V/∂T)P
C(∂V/∂S)P = (∂T/∂P)S
D(∂S/∂V)T = (∂P/∂T)V
198
Specific heat of a gas for a reversible adiabatic process is________________?
ANegative
BZero
CInfinity
DNone of these
199
Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?
AThe same
BLess than
CGreater than
DDifferent than
200
For an ideal gas, the chemical potential is given by______________?
ART d ln P
BR d ln P
CR d ln f
DNone of these