Acetaldehyde is shipped in ____________ drums?
Acetaldehyde is shipped in ____________ drums?
A. Cast iron
B. Steel
C. Aluminium
D. Either B. & C.
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The electrical conductivity of a ______________ decreases with rise in temperature?
The electrical conductivity of a ______________ decreases with rise in temperature?A. Metal/alloy
B. Semi-conductor
C. Dielectric
D. None of theseThe temperature at which new grains are formed in the metal is called the ______________ temperature?
The temperature at which new grains are formed in the metal is called the ______________ temperature?A. Eutectic
B. Recrystallisation
C. Upper critical
D. Lower criticalWhen the steel is subjected to normalising, its ______________ decreases?
When the steel is subjected to normalising, its ______________ decreases?A. Yield point
B. Ductility
C. Ultimate tensile strength (UTS)
D. None of theseRotary driers are generally made of_______________?
Rotary driers are generally made of_______________?A. Cast iron
B. Mild steel
C. High silicon iron (14% Si)
D. Tin lined with refractory bricksAcetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?
Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?A. Rubber lined mild steel
B. Lead lined mild steel
C. Aluminium
D. Cast ironLiners of a ball mill are never made of
Question: Liners of a ball mill are never made of
[A].lead [B].
alloy steel [C].
rubber or ceramic material [D].
cast iron Answer: Option A
Explanation:
No answer description available for this question.