Fermenter used in the production of penicillin by deep fermentation process is a ______________ lined steel vessel ?

Byadmin March 11, 2019August 27, 2021

Fermenter used in the production of penicillin by deep fermentation process is a ______________ lined steel vessel ?

A. Rubber
B. Monel
C. Glass
D. Nickel

CHEMICAL ENGINEERING | Materials and Construction

With increase in carbide/graphite ratio in cast iron, its

Question: With increase in carbide/graphite ratio in cast iron, its
[A].

hardness & brittleness increases.
[B].
ductility decreases.
[C].
both (a) and (b).
[D].
neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

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Materials and Construction

Addition of _____________ in steel can help in increasing the depth of hardness?

Addition of _____________ in steel can help in increasing the depth of hardness?

A. Nickel
B. Chromium
C. Vanadium
D. Tungsten

Read More Addition of _____________ in steel can help in increasing the depth of hardness?
Materials and Construction

Cast irons are generally specified by their_________________?

Cast irons are generally specified by their_________________?

A. Carbon content
B. Tensile strength
C. Hardness
D. Manufacturing process

Read More Cast irons are generally specified by their_________________?
Materials and Construction

Which of the following comprises of hydrocarbons ?

Which of the following comprises of hydrocarbons ?

A. Mica flakes
B. Glass
C. Rubber
D. None of these

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Materials and Construction

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?

A. Silicone rubber, teflon, porcelain and wood
B. Nickel, monel, stainless steel and graphite
C. Aluminium, copper, high silicon iron
D. Brass, cast iron, mild steel and tin

Read More Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?
Materials and Construction

Percentage of silver in German silver is__________________?

Percentage of silver in German silver is__________________?

A. 5
B. 10
C. 20
D. 0

Read More Percentage of silver in German silver is__________________?

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