Chemical Engineering Basics

11. __________ circuit is most commonly used to measure strain with the help of a strain gauge.

1. Ballast
2. Voltage balancing potentiometric
3. Simple current sensitive
4. None of these

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12. __________ fluid force is not considered in the Navier-Stokes equation.

1. Turbulent
2. Viscous
3. Gravity
4. Pressure

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13. __________ flux is used for the extraction of metal from its self fluxing ores.

1. No
2. Acid
3. Basic
4. Neutral

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14. __________ furnace is generally used in the non-ferrous foundries.

1. Direct arc
2. Indirect arc
3. Resistance
4. Induction

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15. __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

1. Borosilicate
2. High silica
3. Supermax
4. Lead

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16. __________ has a negative co-efficient of linear expansion.

1. Iron
2. Copper
3. Rubber
4. Nickel

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17. __________ has the highest melting point out of the following.

1. Tungsten
2. Zirconium
3. Molybdenum
4. Tantalum

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18. __________ iron is produced by the annealing of white cast iron.

1. Malleable
2. Nodular
3. Ductile
4. Grey

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19. __________ is a non volatile film forming constituent of a paint.

1. Thinner
2. Dryer
3. Drying oil
4. None of these

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20. __________ is a special constituent of chlorophyll without which photosynthesis is not possible.

1. Calcium
2. Nitrogen
3. Phosphorous
4. Hydrogen

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