CHEMICAL ENGINEERING | Chemical Engineering Basics

A dummy activity is used in PERT network to describe the

Byadmin August 8, 2022

Question: A dummy activity is used in PERT network to describe the
[A].

precedence relationship.

[B].

resource idleness.

[C].

resource restriction.

[D].

necessary time delay.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

Which of the following provides maximum contact surface for a liquid-vapour system?

Question: Which of the following provides maximum contact surface for a liquid-vapour system?
[A].

Packed tower
[B].
Bubble-cap plate column
[C].
Seive-plate column
[D].
Wetted wall column

Answer: Option A

Explanation:

No answer description available for this question.

Read More Which of the following provides maximum contact surface for a liquid-vapour system?
CHEMICAL ENGINEERING | Chemical Process

__________ paper is used in the manufacture of newsprint paper.

Question: __________ paper is used in the manufacture of newsprint paper.
[A].

Groundwood
[B].
Board
[C].
Tissue
[D].
Wrapping

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ paper is used in the manufacture of newsprint paper.
CHEMICAL ENGINEERING | Fuels and Combustion

The calorific value of ‘LPG’ (50% propane + 50% butane) is about __________ kcal/Nm3.

Question: The calorific value of ‘LPG’ (50% propane + 50% butane) is about __________ kcal/Nm3.
[A].

5000
[B].
25, 000
[C].
10, 000
[D].
15, 000

Answer: Option B

Explanation:

No answer description available for this question.

Read More The calorific value of ‘LPG’ (50% propane + 50% butane) is about __________ kcal/Nm3.
CHEMICAL ENGINEERING | Environmental Engineering

‘Safe limit’ called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the

Question: ‘Safe limit’ called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the
[A].

industrial chimney exhaust.
[B].
automobiles exhaust.
[C].
photochemical reaction in polluted atmosphere.
[D].
burning of domestic fuel.

Answer: Option B

Explanation:

No answer description available for this question.

Read More ‘Safe limit’ called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the
CHEMICAL ENGINEERING | Chemical Engineering Basics

Gross & Net calorific values will be the same for

Question: Gross & Net calorific values will be the same for
[A].

methane
[B].
propane
[C].
carbon monoxide
[D].
hydrogen

Answer: Option C

Explanation:

No answer description available for this question.

Read More Gross & Net calorific values will be the same for
CHEMICAL ENGINEERING | Chemical Engineering Basics

The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.

Question: The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.
[A].

yield
[B].
proof
[C].
ultimate
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More The factor of safety for brittle materials (having elongation < 5%) is based on the __________ stress.

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