Materials and Construction

Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of__________________?

Byadmin March 10, 2019August 27, 2021

Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of__________________?

A. Stainless steel or glass lined steel
B. Nickel clad steel
C. High silicon cast iron
D. Aluminium

Materials and Construction

How many atoms are there per unit cell in a body centred cubic lattice system ?

How many atoms are there per unit cell in a body centred cubic lattice system ?

A. 6
B. 5
C. 3
D. 2

Read More How many atoms are there per unit cell in a body centred cubic lattice system ?
Materials and Construction

Which of the following is the hardest _______________?

Which of the following is the hardest _______________?

A. Cementite
B. Pearlite
C. Austenite
D. Ferrite

Read More Which of the following is the hardest _______________?
Materials and Construction

Which is the purest form of iron ?

Which is the purest form of iron ?

A. Wrought iron
B. Pig iron
C. Bessemer iron
D. Grey iron

Read More Which is the purest form of iron ?
Materials and Construction

The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?

The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?

A. Non-crystalline solid
B. Crystalline
C. Rubbery
D. Non-crystalline organic polymeric

Read More The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?
Materials and Construction

Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?

Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?

A. Ultimate
B. Yield point
C. Proof
D. None of these

Read More Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
Materials and Construction

Which of the following has a very high carbide forming tendency in steels ?

Which of the following has a very high carbide forming tendency in steels ?

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

Read More Which of the following has a very high carbide forming tendency in steels ?

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