CHEMICAL ENGINEERING | Chemical Engineering Basics

Which of the following will resist maxi-mum shock & vibration without cracking?

Byadmin August 8, 2022

Question: Which of the following will resist maxi-mum shock & vibration without cracking?
[A].

Grey cast iron

[B].

White cast iron

[C].

Malleable iron

[D].

Graphite

Answer: Option C

Explanation:

No answer description available for this question.

Chemical Engineering Basics

In connection with corrosion of metals, passivation is the process that__________________?

In connection with corrosion of metals, passivation is the process that__________________?

A. Intensifies deterioration
B. Changes the composition of the metal
C. Inhibits further deterioration
D. None of these

Read More In connection with corrosion of metals, passivation is the process that__________________?
CHEMICAL ENGINEERING | Heat Transfer

In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be

Question: In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be
[A].

less than 45°C
[B].
more than 45°C
[C].
equal to 45°C
[D].
initially decreases and remains constant thereafter.

Answer: Option B

Explanation:

No answer description available for this question.

Read More In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be
CHEMICAL ENGINEERING | Materials and Construction

Alpha iron is stable __________ °C.

Question: Alpha iron is stable __________ °C.
[A].

above 1403
[B].
upto 910
[C].
above 1800
[D].
between 910 & 1403

Answer: Option B

Explanation:

No answer description available for this question.

Read More Alpha iron is stable __________ °C.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

Question: Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
[A].

cold
[B].
work
[C].
age
[D].
induction

Answer: Option B

Explanation:

No answer description available for this question.

Read More Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
CHEMICAL ENGINEERING | Environmental Engineering

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.

Question: Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.
[A].

2
[B].
42
[C].
332
[D].
1050

Answer: Option B

Explanation:

No answer description available for this question.

Read More Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre.
CHEMICAL ENGINEERING | Furnace Technology

__________ is an indirectly heated furnace.

Question: __________ is an indirectly heated furnace.
[A].

Open hearth furnace
[B].
Muffle furnace
[C].
Soaking pit
[D].
Reheating furnace

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ is an indirectly heated furnace.

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