A. Chemical composition
B. Carbon content
C. Grain size
D. Alloying elements content
Related Mcqs:
- The hardenability of steel decreases with__________________?
A. Decrease in dislocation density
B. Increase in solutionising temperature
C. Increase in strength
D. Decrease in grain size - _____________________ of austenite decreases the hardenability in steel ?
A. Fine grains
B. Coarse grains
C. Homogeneity
D. Dissolved elements (except cobalt) - The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding _______________ grinding wheel is normally used ?
A. Hard
B. Soft
C. Silicon carbide
D. Aluminium oxide - Diffusion co-efficient of a metal in a solid solution depends upon its ?
A. Composition
B. Temperature
C. Both A. & B.
D. Neither A. nor B. - Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V – b) = RT, depends upon its___________________?
A. Pressure & temperature
B. Pressure & specific volume
C. Temperature & specific volume
D. Temperature only - Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?
A. 5-10
B. 1000-1500
C. 120-500
D. 1500-3000 - The usual energy consumption in electric arc furnace steel making is _____________ KWh/ton of steel ?
A. 60 – 100
B. 400 – 700
C. 1200 -1500
D. 2000 – 2300 - Square steel key is normally strong in failure by shear & crushing. Keys are normally made of _______________ steel bars?
A. Hot rolled mild
B. Cold rolled mild
C. Forged
D. Machinable stainless - Steel containing low percentage of nickel, chromium & tungsten are termed as the _____________ steel ?
A. Wrought
B. Tool
C. Alloy
D. Plain carbon - The ‘transition temperature’ for ductile to brittle behavior of steel increases with increase in the _____________ content in steel?
A. Carbon
B. Manganese
C. Both A nor B
D. Neither A nor B
