The property of metals olloys which describes its ability to be drawn into wires is known as
A.tenacity
B.dustility
C.porosity
D.malleability
Category: Chemical Engineering Mcqs
With the barometric reading of 28 in Hg 10 psia is equivalent to
A.37.57 psi suction
B.10 psi suction
C.13.757 psi suction
D.23.757 psi suction
The value of Stefan Boltzmann’s constant in kcal-m2-hr-k4 is
A.56.7 x 10-9
B.1.335 x 10-12
C.4.87 x 10-8
D.0.174 x 10-8
E.0.567 x 10-4
For continuous reverse air cleaning in a fabric filter gas-to-fabric ration normally varies from
A.8 to 15 cfm/sq ft
B.0.2 to 0.5 cfm/sq ft
C.50 to 60 cfm/sq ft
D.0.01 to 0.1 cfm/sq ft
Falling drops of rain acquire spherical shape on account of
A.temperature
B.viscosity
C.compressibility
D.surface tension
The viscosity of a gas
A.increases with increase in temperature
B.decreases with increase in temperature
C.remains unaffected with change in temperature
D.is greater than the viscosity of a liquid
Chain reaction is 92U238 will decrease if
A.its mass exceeds critical mass
B.its mass is just equal to critical mass
C.its mass is less than critical mass
D.all of these answers.
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
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)
