A. cast iron
B. pig iron
C. wrought iron
D. malleable iron
E. white iron
Related Mcqs:
- Blast furnace produces following by reduction of iron ore_______________?
A. cast iron
B. pig iron
C. wrought iron
D. malleable iron
E. white iron - The ignition coil in diesel engines produces voltage of the order of________________?
A. 6 to 12 volts
B. 240 volts
C. 1000 volts
D. 20,000 volts
E. 80,000 volts - Mild steel belongs to the following category___________________?
A. low carbon steel
B. medium carbon steel
C. high carbon steel
D. alloy steel
E. special steel - Eutectoid steel contains following percentage of carbon_______________?
A. 0.02%
B. 0.3%
C. 0.63%
D. 0.8%
E. 1.2%. - Which of the following element results in presence of free graphite in C.I_________________?
A. carbon
B. sulphur
C. silicon
D. manganese
E. phosphorous - The following element can’t impart high strength at elevated temperature__________________?
A. manganese
B. magnesium
C. nickel
D. silicon
E. none of the above - Which of the following is not the correct method of increasing fatigue limit __________________?
A. shot peening
B. nitriding of surface
C. cold working
D. surface decarburisation
E. under-stressing - Which one of the following metals would work-harden more quickly than the others__________________?
A. copper
B. brass
C. lead
D. silver
E. aluminium - Structural steel contains following principal alloying elements__________________?
A. nickel, chromium and manganese
B. tungsten, molybdenum and phosphorous
C. lead, tin, aluminium
D. zinc, sulphur, and chromium
E. none of the above - Which of the following has highest specific strength of all structural materials__________________?
A. magnesium alloys
B. titanium alloys
C. chromium alloys
D. magnetic steel alloys
E. none of the above
