CHEMICAL ENGINEERING | Environmental Engineering

Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.

Byadmin August 13, 2022

Question: Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.
[A].

hydrogen sulphide

[B].

mercury

[C].

cadmium

[D].

asbestos

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

The capacity of a centrifugal pump Can be increased by increasing the

Question: The capacity of a centrifugal pump Can be increased by increasing the
[A].

impeller diameter or speed.
[B].
number of pumps and joining them in series,
[C].
number of pumps and joining them in parallel.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More The capacity of a centrifugal pump Can be increased by increasing the
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.

Question: A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
[A].

121
[B].
110
[C].
97
[D].
91

Answer: Option A

Explanation:

No answer description available for this question.

Read More A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
CHEMICAL ENGINEERING | Fuels and Combustion

__________ has the widest inflammability limit (explosion limit) of all the gases.

Question: __________ has the widest inflammability limit (explosion limit) of all the gases.
[A].

Hydrogen
[B].
Carbon monoxide
[C].
Acetylene
[D].
Methane

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ has the widest inflammability limit (explosion limit) of all the gases.
CHEMICAL ENGINEERING | Fluid Mechanics

A rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and rotameter shows the same reading, the flow rate (cc/sec) is

Question: A rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and rotameter shows the same reading, the flow rate (cc/sec) is
[A].

26
[B].
42
[C].
269
[D].
325

Answer: Option C

Explanation:

No answer description available for this question.

Read More A rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and rotameter shows the same reading, the flow rate (cc/sec) is
CHEMICAL ENGINEERING | Chemical Engineering Basics

Wrought iron is not

Question: Wrought iron is not
[A].

ductile & resistant to corrosion/rusting.
[B].
weldable easily.
[C].
having uniform strength in all directions.
[D].
having maximum tensile strength along the lines of slag distribution.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Wrought iron is not
CHEMICAL ENGINEERING | Environmental Engineering

Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million).

Question: Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million).
[A].

50
[B].
1000
[C].
2000
[D].
5000

Answer: Option D

Explanation:

No answer description available for this question.

Read More Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million).

Similar Posts