A. Soluble in solid state
B. Insoluble in liquid state
C. Insoluble in both solid & liquid state
D. Soluble in liquid state
✅ The correct answer is option D.
Basic Chemical Engineering MCQs
Which of the following forces does not act on a fluid at rest?
A. Viscous force
B. Gravity force
C. Hydrostatic force
D. Surface tension force
✅ The correct answer is option A.
The same volume of all gases is representative of their
A. Specific gravities
B. Densities
C. Gas characteristic constants
D. Molecular weights
✅ The correct answer is option D.
The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.
A. Wetness
B. Mass flow rate
C. Both A & B
D. Neither A nor B
✅ The correct answer is option C.
Superheated vapour behaves like
A. Dry steam
B. Gas approximately
C. An ordinary vapor
D. None of these
✅ The correct answer is option B.
The dimensional formula of bulk modulus of elasticity is same as that of the
A. Pressure
B. Density
C. Force
D. None of these
✅ The correct answer is option A.
Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.
A. 10
B. 20
C. 30
D. 40
✅ The correct answer is option D.
Pearlite comprises of
A. 87% cementite & 13% Fe
B. 87% ferrite & 13% cementite
C. 93.33% ferrite & 6.67% C
D. 87% ferrite & 13% C
✅ The correct answer is option B.
The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
A. Red
B. Extended
C. Super
D. Extreme
✅ The correct answer is option C.
Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.
A. Grey
B. Red
C. Orange
D. Violet
✅ The correct answer is option B.