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.Management Sciences
A. Ceramic fibre blanket
B. Glass wool and 85% magnesia
C. Vermiculite
D. Slag wool
Related Mcqs:
- __________________ does not contain copper as an alloying element?
- A. Nichrome B. Manganin C. Perminvar D. Monel metal...
- Pick out the wrong statemen?
- A. Hardening makes the steel more brittle B. High alloy steels contain more than 50% alloying element C. 18/8 stainless steel is a magnetic steel D. Both B. and C....
- Chilled iron castings are__________________?
- A. Easily machinable B. Soft on surface C. Highly wear resistant D. None of these...
- Carbon supply in pack carburising process is in the form of_____________________?
- A. Charcoal B. Calcium carbide C. Hydrocarbon oil D. Graphite...
- Sherardizing process is used for__________________?
- A. Surface coating B. Heat treatment of high speed steel C. Cold working on metals D. None of these...
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