🏭Chemical Engineering MCQs
Chemical Engineering MCQs
496 MCQs281
Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________?
AIncrease
BDecrease
CRemain unchanged
DFirst fall and then rise
282
The temperature at which both liquid and gas phases are identical, is called the _____________ point?
ACritical
BTriple
CFreezing
DBoiling
283
If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero?
A&
BD. Neither A nor B
CBoth
284
Entropy is a/an___________________?
AState function
BMacroscopic property
CExtensive property
DNone of these
285
The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?
A0
B+ve
C-ve
D∞
286
In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?
AAdiabatic
BReversible
CIsothermal
DNone of these
287
COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?
A0.5
B3.5
C4.5
D8.5
288
The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ____________ temperature?
ACritical
BBoyle
CInversion
DReduced
289
Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?
AAlways greater than one
B& C
CSame at the same reduced pressure
DBoth
290
In a turbine, the fluid expands almost_________________?
AIsothermally
BIsobarically
CAdiabatically
DNone of these