A. Martenistic
B. Bainitic
C. Pearlitic
D. Ferritic
Related Mcqs:
- Globular form of cementite is formed during the _________________ process ?
A. Spheroidising
B. Hardening
C. Annealing
D. Normalising - To improve the machinability of steel, it is generally subjected to _____________________?
A. Spheroidising
B. Tempering
C. Normalising
D. Annealing - Addition of _____________________ to steel does not impart hardness?
A. Nickel
B. Copper
C. Chromium
D. Silicon - _____________________ of austenite decreases the hardenability in steel ?
A. Fine grains
B. Coarse grains
C. Homogeneity
D. Dissolved elements (except cobalt) - 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 - Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal_________________?
A. Tensile strength
B. Compressive strength
C. Young’s modulus
D. Thermal co-efficient of expansion - 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
