CHEMICAL ENGINEERING | Materials and Construction

Centrifugal pump made of pyrex or glass can’t be used to pump

Byadmin August 29, 2022

Question: Centrifugal pump made of pyrex or glass can’t be used to pump
[A].

milk and fruit juices.

[B].

alkaline solutions.

[C].

dilute H2SO4 at room temperature.

[D].

brine.

Answer: Option B

Explanation:

No answer description available for this question.

Materials and Construction

Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?

Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?

A. Tungsten steel
B. Molybdenum steel
C. Nickel-chrome steel
D. Cobalt steel

Read More Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?
CHEMICAL ENGINEERING | Chemical Process

Most commonly used rubber vulcanising agent is

Question: Most commonly used rubber vulcanising agent is
[A].

sulphur
[B].
bromine
[C].
platinum
[D].
alumina

Answer: Option A

Explanation:

No answer description available for this question.

Read More Most commonly used rubber vulcanising agent is
CHEMICAL ENGINEERING | Chemical Process

Widely used method for the conditioning of boiler feed water is the

Question: Widely used method for the conditioning of boiler feed water is the
[A].

cold lime process
[B].
coagulation
[C].
hot-lime soda process
[D].
sequestration

Answer: Option C

Explanation:

No answer description available for this question.

Read More Widely used method for the conditioning of boiler feed water is the
CHEMICAL ENGINEERING | Fuels and Combustion

A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be

Question: A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be
[A].

more
[B].
less
[C].
same
[D].
data insufficient; can’t be predicted.

Answer: Option C

Explanation:

No answer description available for this question.

Read More A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be
CHEMICAL ENGINEERING | Fluid Mechanics

One horsepower is equal to

Question: One horsepower is equal to
[A].

550 lbf.ft/second
[B].
550 kgf.m/second
[C].
both (a) and (b)
[D].
550 lbf.ft./hr

Answer: Option A

Explanation:

No answer description available for this question.

Read More One horsepower is equal to
CHEMICAL ENGINEERING | Chemical Engineering Basics

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

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

cheap electricity is available.
[B].
the precious metal content of copper is high.
[C].
there is a demand for ultrapure (99.99%) electrolytic copper.
[D].
all (a), (b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More 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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