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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 11
16.
Gas carrying pipelines are best joined by
nuts & bolts
rivetting
welding
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Scab is a defect developed during __________ of metals.
forging
sand casting
machining
welding
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Pick out the wrong statement about powder metallurgy technique.
Powder metallurgy techniques are applied at room temperature.
Final product in powder metallurgy is not necessarily metallic powder.
The final product in powder metallurgy is made from metallic powder.
Silver and nickel when melted together do not mix to form an alloy ; however alloy of these constituents can be made by powder metallurgy technique.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A floating body oscillates about its __________ when it is displaced slightly.
centre of gravity
metacentre
centre of buoyancy
centre of pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Which of the following relatively employs the highest heat transfer surface area in a high pressure boiler ?
Airpreheater
Economiser
Steam superheater
Furnace water wall
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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