Question: Balls in a ball mill are usually made of
[A].steel
cast iron
stainless steel
bronze
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
CHEMICAL ENGINEERING
Gun metal is an alloy of
Question: Gun metal is an alloy of
[A].nickel, tin and copper
copper, tin and zinc
copper, phosphorus and nickel
manganese, phosphorus and nickel
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
The carbonating tower used in Solvay process of soda ash manufacture is made of
Question: The carbonating tower used in Solvay process of soda ash manufacture is made of
[A].cast iron
stainless steel
karbate
lead lined steel
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Brass is an alloy of
Question: Brass is an alloy of
[A].nickel and tin
copper and zinc
tin and lead
copper, nickel and zinc
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Caustic soda can be stored in __________ drums.
Question: Caustic soda can be stored in __________ drums.
[A].steel
cast iron
brass
gun metal
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Most common stainless steel type 316, which is highly resistant to corrosion contains
Question: Most common stainless steel type 316, which is highly resistant to corrosion contains
[A].16-13% Cr 10-14% Ni and 2-3% Mo.
20-22% Cr, and 8-10% Ni.
2-4% Cr, 22% NI and 2-4% Mo.
none of these.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
Question: Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
[A].karbate
lead or glass
fireclay bricks
PVC
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Babbit metal (used for making bearings) comprises of
Question: Babbit metal (used for making bearings) comprises of
[A].mainly tin (85%) and lead.
saw dust and iron dust mixture.
zinc and aluminium.
copper and aluminium.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Most suitable material of construction for the storage of concentrated nitric acid is
Question: Most suitable material of construction for the storage of concentrated nitric acid is
[A].cast iron
monel
karbate
aluminium or chromium alloys (Cr > 18% for cold acid)
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Brine (15% concentration) can be stored in a vessel made of
Question: Brine (15% concentration) can be stored in a vessel made of
[A].monel
karbate
cast iron
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.