Chemical Engineering · all questions

Chemical Engineering Basics
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Q521

Ceramic tips for the cutting tool are prepared from __________ powder.

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Q522

Ceramic tips for the cutting tool are prepared from __________ powder.

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Q523

Even minute presence of impurities in copper impairs its electrical conductivity seriously. Electrolytic refinning of blister copper is resorted to, when

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Q524

The most suitable material for a sewer for carrying storm water is

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Q525

If Reynolds number is greater than 1, then the

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Q526

Property responsible for the talcum powder to cling to the skin is the

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Q527

Increasing the temperature of a material makes it

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Q528

Which of the following alloying elements is present in maximum percentage in high speed steel.

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Q529

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

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Q530

Value of a material is usually considered as a relationship between

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Q531

Thermal conductivity of a material does not depend upon its

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Q532

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

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Q533

Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

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Q534

Which of the following is termed as the boiler mounting ?

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Q535

Which of the following is termed as the boiler mounting ?

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Q536

Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of

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Q537

Window panes of aeroplanes are normally made of

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Q538

Viscoelastic behaviour is observed in __________ materials.

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Q539

The value of

γ = \frac{c _{p}}{c _{v}}

at < 500°C for air & most common gases can be safely assumed to be

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Q540

Electrolytes conduct electric current by

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