A. Pig
B. Cast
C. Wrought
D. Carbon free
✅ The correct answer is option B.
Basic Chemical Engineering MCQs
In sheet metal forming, stretcher strains occur in
A. Duralumin sheets
B. Low carbon steel sheets
C. Austenitic stainless steel sheets
D. Ni-base alloy sheets
✅ The correct answer is option A.
The standard instrument used for calibrating the load applied by universal testing machine is called
A. Extensometer
B. Spring balace
C. Dynamometer
D. None of these
✅ The correct answer is option D.
Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding
A. Glycerol
B. Nitro cellulose
C. Camphor
D. None of these
✅ The correct answer is option D.
Steel & cast iron pipes are produced by __________ casting.
A. Slush
B. Die
C. Investment
D. True centrifugal
✅ The correct answer is option D.
Addition of __________ to steel does not help in improving its machinability.
A. Sulphur
B. Silicon
C. Lead
D. Phosphorous
✅ The correct answer is option B.
The most prominent single cause of corrosion in boilertubes, drums, economisers and steam superheaters in a thermal power plant boiler is the
A. Water alkalinity & leakage
B. Hydrazine addition during feed water treatment
C. Release of non-condensable gas from water in the boiler
D. Scale formation
✅ The correct answer is option C.
Tesla metre per ampere (T. m/A) is the unit for the measurement of
A. Magnetic succeptibility
B. Magnetic moment
C. Permeability of free space
D. Flux density
✅ The correct answer is option C.
Maximum hardenability of steel depends upon its
A. Chemical composition
B. Carbon content
C. Grain size
D. Alloying elements content
✅ The correct answer is option D.
The single most imortant requirement for a turbine blade material is
A. Damping
B. Resilience
C. Creep resistaned
D. DBTT
✅ The correct answer is option C.