CHEMICAL ENGINEERING

Question: Desalination of water
[A].

makes it potable.

[B].

makes it non-potable.

[C].

means distillation of water.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: In chemical dehumidification process
[A].

wet bulb temperature increases.

[B].

dry bulb temperature remains constant.

[C].

dew point temperature increases.

[D].

dry bulb temperature increases.

Answer: Option B

Explanation:

No answer description available for this question.

Question: α-rays are
[A].

negatively charged.

[B].

positively charged.

[C].

neutral.

[D].

same as X-rays.

Answer: Option B

Explanation:

No answer description available for this question.

Question: In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
[A].

V2

[B].

1/V2

[C].

1/Vg

[D].

Vg

Answer: Option D

Explanation:

No answer description available for this question.

Question: __________ is not used as a material of construction in thermocouples.
[A].

Alumel

[B].

Rhodium

[C].

Constantan

[D].

Duralumin

Answer: Option D

Explanation:

No answer description available for this question.

Question: Colour comparator is used to measure the
[A].

pH value

[B].

electrode potential

[C].

colour intensity

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: In a titration involving weak acid and strong base, the preferred indicator is
[A].

Methyl orange

[B].

Phenolphthalein

[C].

Ethyl orange

[D].

Fehling’s solution

Answer: Option B

Explanation:

No answer description available for this question.

Question: Methyl orange indicator turns
[A].

orange yellow in alkaline medium.

[B].

orange yellow in acidic medium.

[C].

colourless in acidic medium.

[D].

colourless in basic medium.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Dielectric
[A].

is an electrical insulating material.

[B].

of low resistivity is preferred.

[C].

should have high thermal conductivity.

[D].

need not defy the corrosive action of chemicals.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Old cycle handles are coated with nickel using
[A].

cementation.

[B].

spray coating.

[C].

galvanising process.

[D].

tinning process.

Answer: Option B

Explanation:

No answer description available for this question.