A. Carbon
B. Manganese
C. Both A nor B
D. Neither A nor B
Related Mcqs:
- ____________ test is the appropriate test to determine whether a material is ductile or brittle ?
A. Impact
B. Cupping
C. Hardness
D. Tensile - The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the ‘Curie temperature’. Its value for cobalt is ______________ °C?
A. 768
B. 1127
C. 1359
D. 1480 - Materials having ________________ lattice structure are usually the most ductile ?
A. Body centred cubic (bcc)
B. Hexagonal close packed (hcp)
C. Face centred cubic (fcc)
D. None of these - Maximum change in the hardness of martensite occurs in the carbon content range of _____________ percent in steel?
A. 0.01 to 0.10
B. 0.2 to 0.4
C. 0.5 to 0.7
D. 0.8 to 1.0 - The boiling & freezing points on a newly defined temperature scale in degree ‘D’ are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to _____________ °D ?
A. 140
B. 180
C. 240
D. 280 - 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 - Steel containing low percentage of nickel, chromium & tungsten are termed as the _____________ steel ?
A. Wrought
B. Tool
C. Alloy
D. Plain carbon - __________________ of air does not increase with increase in temperature?
A. Density
B. Thermal diffusivity
C. Viscosity
D. Thermal conductivity - Maximum permissible sulphur content in steel is ______________ percent ?
A. 0.015
B. 0.055
C. 0.505
D. 0.805 - Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
A. Small punches, broaches reamers and springs
B. Cutlery, screws, rivets and files
C. Mandrels, twist drills, small lathe tools and razors
D. Forgings like can shaft, structural steel plate, threading dies and drawing dies
