CHEMICAL ENGINEERING | Chemical Engineering Basics

In the commercial production of which of the following metals, matallothermic reduction is used ?

Byadmin August 8, 2022

Question: In the commercial production of which of the following metals, matallothermic reduction is used ?
[A].

Copper

[B].

Zinc

[C].

Zirconium

[D].

Nickel

Answer: Option B

Explanation:

No answer description available for this question.

Chemical Engineering Basics

What is the percentage of chromium in 18-4-1 high speed steel ?

What is the percentage of chromium in 18-4-1 high speed steel ?

A. 1
B. 4
C. 18
D. 23

Read More What is the percentage of chromium in 18-4-1 high speed steel ?
Chemical Engineering Basics

Wrought iron is never shaped by__________________?

Wrought iron is never shaped by__________________?

A. Casting
B. Cold working
C. Forging
D. Welding

Read More Wrought iron is never shaped by__________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Friction factor for a hydraulically smooth pipe at NRe = 2100 is f1. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will

Question: Friction factor for a hydraulically smooth pipe at NRe = 2100 is f1. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will
[A].

increase.
[B].
decrease.
[C].
remain unchanged.
[D].
increase or decrease depending on the pipe material.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Friction factor for a hydraulically smooth pipe at NRe = 2100 is f1. If the pipe is further smoothened (i.e., roughness is reduced), the friction factor at the same value of NRe, will
CHEMICAL ENGINEERING | Fuels and Combustion

Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm3/ton coal (ash = 35%).

Question: Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm3/ton coal (ash = 35%).
[A].

150
[B].
1500
[C].
3500
[D].
5000

Answer: Option B

Explanation:

No answer description available for this question.

Read More Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm3/ton coal (ash = 35%).
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Question: __________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
[A].

Mach
[B].
Reynolds
[C].
Froude
[D].
Weber

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
CHEMICAL ENGINEERING | Chemical Process

Nylon 6-6 is manufactured from

Question: Nylon 6-6 is manufactured from
[A].

hexamethylene diamine and adipic acid.
[B].
hexamethylene diamine and maleic anhydride.
[C].
caprolactum.
[D].
dimethyl terephthalate and ethylene glycol.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Nylon 6-6 is manufactured from

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