Chemical Engineering :: Chemical Engineering Basics-2
- Presence of small quantity of sulphur in low carbon steel improves its
- A suitable lubricant used for watches is
- The approximate height of a blast furnace having a useful volume of 2000 m³ is about __________ metres
- Materials used for making permanent magnets containing iron and nickel are made by __________ technique.
- Tempering of a material does not improve its
- In age-hardenable alloys, maximum ductility is obtained
- Which of the following materials has the maximum shrinkage allowance ?
- Powder metallurgy is used to produce
- A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.
- Shaft/rotor speed is most accurately measured by a
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