Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of

Byadmin August 13, 2022

Question: Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
[A].

powder & grannular solids

[B].

liquids

[C].

low melting point semi-solids

[D].

all ‘a’, ‘b’ & ‘c’

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

__________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Question: __________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
[A].

Sherwood
[B].
Stanton
[C].
Lewis
[D].
Peclet

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
CHEMICAL ENGINEERING | Fertiliser Technology

CaH4(PO4)2 is the chemical formula of

Question: CaH4(PO4)2 is the chemical formula of
[A].

superphosphate
[B].
triple superphosphate
[C].
calcium phosphate
[D].
meta phosphoric acid

Answer: Option B

Explanation:

No answer description available for this question.

Read More CaH4(PO4)2 is the chemical formula of
CHEMICAL ENGINEERING | Mass Transfer

Flooding results in

Question: Flooding results in
[A].

high tray efficiency
[B].
low tray efficiency
[C].
high gas velocity
[D].
good contact between the fluids

Answer: Option B

Explanation:

No answer description available for this question.

Read More Flooding results in
CHEMICAL ENGINEERING | Fuels and Combustion

Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if

Question: Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
[A].

it contains large amount of volatile matter.
[B].
it is stored in tall heaps.
[C].
smaller fines are stored in large quantity.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if
CHEMICAL ENGINEERING | Chemical Engineering Basics

In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.

Question: In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.
[A].

0.5
[B].
1
[C].
5
[D].
20

Answer: Option C

Explanation:

No answer description available for this question.

Read More In order to protect the aquatic creatures, the dissolved oxygen content in fresh water stream should never be less than __________ PPm.
CHEMICAL ENGINEERING | Furnace Technology

Forced recirculation of furnace gases is practised

Question: Forced recirculation of furnace gases is practised
[A].

to increase heat transfer by convection.
[B].
to ensure uniform temperature.
[C].
in furnaces, operating below 750°C.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Forced recirculation of furnace gases is practised

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