__________ are normally subjected to sub-zero treatment.
Highly stressed parts
Gauges or precision parts
Cold rolled sheets
Non machinable materials
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- Hardening of steel is not possible, unless it is heated __________ critical point.
- Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution
- Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is
- The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
- Function of gear box is to
- The main constituent of bones is
- Silicon percentage in silicon steel used for electrical equipments is about
- Which of the following phenomenon/ phenomena is/are diffusion controlled?
- Which one is neutral in character?
- Current employed in resistance welding ranges from __________ kVA/.
- Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C,…
- Property responsible for the talcum powder to cling to the skin is the
- __________ furnace is generally used in the non-ferrous foundries.
- Batch process is preferred over continuous process, when the
- Speisses is a mixture of the following:
- The most commonly used moderator in nuclear power plants is
- Which of the following materials has the least scrap value?
- Which of the following gases cause global warming?
- Pressure required to increase the density of water by about 1% is __________ atmosphere.
- The thermodynamic law, = constant, is not followed by the
- Which of the following is not used as a bearing material?
- The starting of a car takes time in winter, because the
- Fire refining process is employed in case of
- Stainless steel is welded with difficulty because of
- In multipass welds, shot peening is done after each pass to
- In a neutral solution
- A material being tested for endurance strength is subjected to the __________ load.
- The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral…
- Nickel and __________ are the alloying element added in steel to increase its toughness.
- Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…