Laser is an acronym for light amplification by
A.stimulated emission of radiation
B.spontaneous emission of radiation
C.stimulated energetic radiation
D.spontaneous emission of radio waves
Category: Chemical Engineering Mcqs
The chemical name of bleaching powder is
A.calcium chloro hypochlorite
B.calcium hypochlorite
C.calcium chlorate
D.calcium perchlorate
What is the difference in two specific heats Cp and Cv of one gram of helium ? The molecular weight of helium is 4. Assume that helium behaves as an ideal gas.
A.2 kcal/(kg.K)
B.8 kcal/(kg.K)
C.1 kcal/(kg.K)
D.0.5 kcal/(kg.K)
Which of the following hydrocarbons present in gasoline are prone to gum formation?
A.Paraffins
B.Naphthenes
C.Olefins
D.Isoparaffins
The space-velocity of 2 hr-1 means
A.that every two hours one reactor volume of feed at specified conditions is being treated by the reactor
B.that two reactor volumes of feed at specified conditions are bing fed into the reactor per hour
C.that the actual reactor volume is double that of the optimum reactor volume
D.that one-half reactor volume of feed at specified conditions are being fed into the reactor.
India entered the nulear energy club as
A.fourth nation of the world
B.fifth nation of the world
C.sixth nation of the world
D.seventh nation of the world
All NH3 synthesis catalysts are based on iron oxide promoted by
A.SiO2
B.K2O (1-2%)
C.ZnO
D.V2O5
Surface tension has the dimensionss
A.FL-2
B.FL
C.F-1 L3
D.FL-1
Which of the following petroleum products has minimum ?API?
A.Gasoline
B.Furnace oil
C.Light diesel oil
D.High speed diesel oil
Polarimeter works on the principle of_____________?
A. polarisation of light
B. change of the electrical conductivity of solution with composition
C. change of angle of refraction with composition
D. change of electrical conductivity of solution with temperature
