A. Spheroidising
B. Hardening
C. Annealing
D. Normalising
Related Mcqs:
- Cementite is in the lamellar form in the _____________________ phase of steel ?
A. Martenistic
B. Bainitic
C. Pearlitic
D. Ferritic - Transformation range for ferrous material is the temperature interval during which ___________________ is formed during its heating?
A. Cementite
B. Austenite
C. Martensite
D. Pearlite - The process of removal of scale formed during hot rolling of steel is termed as_________________?
A. Descaling
B. Shot blasting
C. Pickling
D. Skimming - The atmospheric temperature during melting of ice/snow (in the atmosphere)_________________?
A. Decreases
B. Increases
C. Remain same
D. May increase or decrease; depends on the altitude where snow melts - Work done by a/an _________________ process is determined by ∫p. dv ?
A. Adiabatic
B. Quasi-static
C. Isothermal
D. Isentropic - _________________ is not a heat treatment process ?
A. Cyaniding
B. Parkerizing
C. Austempering
D. Martempering - Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________________ kJ ?
A. +4000
B. -4000
C. 10000
D. -10000 - Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of_________________?
A. Lumps
B. Pellets
C. Briquettes
D. Sinter - Carbon supply in pack carburising process is in the form of ___________________?
A. Charcoal
B. Calcium carbide
C. Hydrocarbon oil
D. Graphite - ______________________ temperature remains constant during adiabatic saturation process of unsaturated air ?
A. Dew point
B. Dry bulb
C. Wet bulb
D. None of these
