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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 2
11.
The most suitable material of construction for a sewer to carry sewage under high pressure is
asbestos cement
steel
cement concrete
stoneware
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Filler material used in welding should have __________ as compared to the parent metal to be welded.
lower melting temperature
same melting temperature
same composition
both 'b' & 'c'
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Oxygen cylinders used for autogenous (cutting/welding) purposes are
seamless & made of steel.
heat treated before use.
made by sand casting.
welded steel cylinders.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Identify the correct statement.
Sphlerite is zinc oxide.
The first law of the thermodynamics is stated as δE = δQ - δW.
Lead can be produced in a blast furnace.
T. ferrooxidans is a fungus that can be used for leaching chalcopyrite.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Dowtherm is a
high temperature heating medium (a petroleum product).
product of coal tar distillation.
very heat sensitive material.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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