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.Management Sciences
A. promotes decarburisation
B. provides high hot hardness
C. forms very hard carbides and thus in-creases wear resistance
D. promotes retention of austenite
E. increases toughness
Related Mcqs:
- For the allotropic forms of iron, the points of arrest are __________________?
- A. the points where no further change oc-curs B. constant for all metals C. the points where there is no further flow of metal D. the points of discontinuity E. the points where major changes take place...
- Which of the following is the binding material in cemented carbides___________________?
- A. cobalt B. nickel C. vanadium D. iron E. carbon...
- Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?
- A. silver metal B. duralumin C. Hastelloy D. monel metal E. invar...
- Tungsten in high speed steel provides________________?
- A. hot hardness B. toughness C. wear resistance D. sharp cutting edge E. cold hardness...
- The alloy used for making electrical resistances and heating elements is____________________?
- A. nichrome B. invar C. magnin D. elinvar E. peiminvar...
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