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.Management Sciences
A. creep
B. hot tempering
C. hot hardness
D. fatigue
E. superhardening
Related Mcqs:
- Which of the following constituents of steels is softest and least strong ________________?
- A. austenite B. pearlite C. ferrite D. cementlte E. bainite...
- Chromium in steel_________________?
- A. improves wear resistance, cutting ability and toughness B. refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties C. improves cutting ability and reduces hardenability D. gives ductility, toughness, tensile strength and anticorrosion properties E. makes steel hard...
- Paramagnetic alpha iron changes to gamma iron at_______________?
- A. 770°C B. 910°C C. 1440°C D. 1539°C E. none of the above...
- Pipes for bicycle frames are made of___________________?
- A. cold rolled steel B. hot rolled steel C. forged steel D. cast steel E. carbon-chrome steel...
- 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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