A. aluminium
B. low carbon steel
C. medium carbon steel
D. high carbon steel
E. cast iron
Related Mcqs:
- Annealing of white cast iron results in production of_________________?
A. malleable iron
B. nodular iron
C. spheroidal iron
D. grey iron
E. none of the above - Depth of hardness of steel is increased by addition of_________________?
A. nickel
B. chromium
C. tungsten
D. vanadium
E. ell of the above - Super conduction by metals is observed in the temperature range of_________________?
A. below 10°K
B. above 100°K
C. around 0°C
D. around 100°C
E. above 1000°C - Balls for ball bearings are made of_________________?
A. cast iron
B. mild steel
C. stainless steel
D. carbon-chrome steel
E. high carbon steel - Drop forging dies contain carbon of the order of_________________?
A. 0.1 to 0.2%
B. 0.25 to 0.5%
C. 0.6 to 0.7%
D. 0.7 to 0.9%
E. 1.0 to 1.2%. - Foundry crucible is made of_________________?
A. mild steel
B. german silver
C. lead
D. cast iron
E. graphite - Austenite rs a combination of_________________?
A. ferrite and cementite
B. cementite and gamma iron
C. ferrite and austenite
D. ferrite and iron graphite
E. pearlite and ferrite - The efficiency of I.C. engines normally is of the order of_________________?
A. 15-20%
B. 20-25%
C. 25-30%
D. 30-35%
E. 35-50% - Operation of McLeod gauge used for low pressure measurement is based on the principle of_________________?
A. gas law
B. Boyle’s law
C. Charle’s law
D. Pascal’s law
E. McLeod’s law - Principle of similitude forms the basis of_________________?
A. comparing two identical equipments
B. designing models so that the result can be converted to prototypes
C. comparing similarity between design and actual equipment
D. hydraulic designs
E. performing acceptance tests
