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Chemical Engineering Basics

Chemical Engineering Basics
Paint spray gun works on the principle of

None of these
Bernoulli's theorem
Newton's law of viscosity
Boyle's law

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Chemical Engineering Basics
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

2000
2400
3000
1800

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Chemical Engineering Basics
1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).

10
10000
100
1000

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Chemical Engineering Basics
Materials used for making permanent magnets containing iron and nickel are made by __________ technique.

Forging
Powder metallurgy
Casting
None of these

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Chemical Engineering Basics
Out of the following, the joint produced by __________ has the lowest strength.

Welding
Rivetting
Brazing
Soldering

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Chemical Engineering Basics
Which of the following is a boiler accessory i.e., not a boiler mounting ?

Feed check valve
Blow off cock
Feed water pump
Stop valve

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