Hot rolled
Chrome carbon
Cold rolled
Stainless
✅ The correct answer is option C.
Engineering
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2172. The heat treatment process applied to cold formed steel parts is
Normalising
Tempering
Artificial ageing
Solution annealing
✅ The correct answer is option D.
2173. Nickel and molybdenum are the basic constituents of
Hastealloy
German silver
Inconel
Solder
✅ The correct answer is option A.
2174. Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it.
Copper
Copper alloys
Stainless steel
Monel
✅ The correct answer is option C.
2175. Balls in a ball mill are usually made of
Steel
Cast iron
Stainless steel
Bronze
✅ The correct answer is option A.
2176. Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?
Silicon steel
Chromium steel
Molybdenum steel
None of these
✅ The correct answer is option A.
2177. __________ iron is produced, when molten pig iron is allowed to cool gradually.
White cast
Grey cast
Wrought
None of these
✅ The correct answer is option B.
2178. The material used in the filament of electric bulbs is
Nichrome
Tungsten
Constantan
German silver
✅ The correct answer is option B.
2179. An alloy used as thermocouple material comprises of 40% nickel and 60% copper. It is called
Constantan
Kanthal
Chromel
German silver
✅ The correct answer is option A.
2180. The addition of antimony in tin-based alloys improves its
Rupture strength and hot hardness
Impact strength and bonding strength
Deformation resistance
Wear resistance
✅ The correct answer is option C.