A. Cork
B. Glass
C. Graphite
D. Rubber
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Related Mcqs:
- Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
- A. Ultimate B. Yield point C. Proof D. None of these...
- Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines ?
- A. Silicon steel B. Chromium steel C. Molybdenum steel D. None of these...
- Corrosion resisting properties of cast iron are significantly improved by the addition of 12 – 15% of___________________?
- A. Tungsten B. Vanadium C. Silicon D. All A., B. & C....
- Which of the following exercises most powerful influence on the mechanical properties of steel ?
- A. Manganese B. Carbon C. Phosphorous D. Silicon...
- Nickel base alloys with ______________ are known as monel metal?
- A. Zinc B. Tin C. Copper D. Molybdenum...
- The electrical conductivity of a ______________ decreases with rise in temperature?
- A. Metal/alloy B. Semi-conductor C. Dielectric D. None of these...
- Cermets are ______________ materials?
- A. Refractory B. Reinforced C. Abrasive D. Fully metallic...
- Addition of ______________ to the steel helps in increasing the residual magnetism in steel used for making magnets?
- A. Chromium B. Nickel C. Tungsten D. Cobalt...
- ______________ is not a case hardening process?
- A. Carburising B. Nitriding C. Cyaniding D. Annealing...
- Fermenter used in the production of penicillin by deep fermentation process is a ______________ lined steel vessel ?
- A. Rubber B. Monel C. Glass D. Nickel...
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