Assumming idial gas behavior calculate the number of cubic feet of carbon dioxide gas at 68?F and 2 atm pressure which may be obtained from 50 lbs of dry ice
A.1.14
B.28.2
C.219
D.344
Category: Chemical Engineering Mcqs
Mcleoid gauge is used to measure
A.pressures of greater than 30 psia
B.pressures of less than 30 psia
C.high vacuums
D.atmospheric pressure
Sedimentary rocks are
A.porous
B.rough
C.hard
D.brittle
For constant-density systems, the performance equations are identical for
A.batch reactor and plug flow reactor
B.batch reactor and backmix reactor
C.plug flow reactor and backmix reactor
D.batch reactor, plug flow reactor and beckmix reactor.
In a reversible shaft work process
A.the temperature forces are balanced
B.the pressure forces are balanced
C.the mechanical forces are balanced
D.all the forces are balanced
The quantity of an ion discharged druing electrolysis is not directly proportional to
A.time
B.current
C.resistance
D.chemical equivalent of the ion
Which liquid metal is supposed to be the best conductor
A.Lead
B.Mercury
C.Zinc
D.Sodium
E.Potassium
The diffusivity DAB for A diffusing in B is the same as the fiffusivity DBA for B diffusing in A for a binary mixture of
A.ideal gases only
B.real gases only
C.both ideal and real gases
D.real liquids only
The half-life period may be best determined by
A.nothing the weight loss over a period of time
B.measuring the volume of helium liberated
C.by counting the number of alpha particles emitted per second in a Geiger Muller Counter from a known amount
D.Calculations based upon the chemical equation for the radioactive disintegration
