CHEMICAL ENGINEERING

Which of the following approaches the ideal gas behavior most closely ?

Byadmin February 7, 2019August 20, 2021

Which of the following approaches the ideal gas behavior most closely ?

A. Wet steam
B. Saturated steam
C. Superheated steam
D. Saturated water

CHEMICAL ENGINEERING | Chemical Engineering Basics

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

Question: Out of the following, the joint produced by __________ has the lowest strength.
[A].

soldering
[B].
welding
[C].
brazing
[D].
rivetting

Answer: Option A

Explanation:

No answer description available for this question.

Read More Out of the following, the joint produced by __________ has the lowest strength.
CHEMICAL ENGINEERING | Materials and Construction

Duralumin is an alloy of

Question: Duralumin is an alloy of
[A].

aluminium, copper and manganese.
[B].
aluminium, nickel and silicon.
[C].
aluminium and nickel.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Duralumin is an alloy of
CHEMICAL ENGINEERING | Chemical Engineering Basics

A boy weighing 110lb climbs up a 50 ft high vertical destination in 100 seconds. Horse power of the boy is __________ hp.

Question: A boy weighing 110lb climbs up a 50 ft high vertical destination in 100 seconds. Horse power of the boy is __________ hp.
[A].

0.1
[B].
0.5
[C].
0.8
[D].
1

Answer: Option A

Explanation:

No answer description available for this question.

Read More A boy weighing 110lb climbs up a 50 ft high vertical destination in 100 seconds. Horse power of the boy is __________ hp.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the

Question: If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the
[A].

process must be isobaric.
[B].
temperature must decrease.
[C].
process must be adiabatic.
[D].
both (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the
CHEMICAL ENGINEERING | Fuels and Combustion

A coal with high ash content is undesirable, as

Question: A coal with high ash content is undesirable, as
[A].

it is abrasive to the coal pulveriser (ie.g. ball mill) and the combustion chamber.
[B].
the ash in molten condition gets absorbed in the pores of the refractory lining of the furnace and causes its spalling due to different co-efficient of expansion/contraction of the refractory and the ash.
[C].
the ash retains the sulphur & phosphorus and thus affects the quality of products in metallurgical furnace apart from increasing the slag volume. Besides, it may fuse and stick to the boiler tubes thereby reducing the heat transfer.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More A coal with high ash content is undesirable, as
CHEMICAL ENGINEERING | Fluid Mechanics

While starting a centrifugal pump, its delivery valve should be kept

Question: While starting a centrifugal pump, its delivery valve should be kept
[A].

opened.
[B].
closed.
[C].
either opened or closed ; it does not make any difference.
[D].
either opened or closed; depending on the fluid viscosity.

Answer: Option B

Explanation:

No answer description available for this question.

Read More While starting a centrifugal pump, its delivery valve should be kept

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