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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 11
6.
Ester is formed, when an alcohol reacts with
carboxylic acid
aldehyde
ketone
ether
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Which of the following accounts for maximum loss of energy in a coal fired boiler ?
Incomplete combustion of fuel.
Outgoing flue gases.
Radiation heat losses.
Unburnt carbon in ash.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Presence of sulphur in the fuel fired in a furnace
contributes to its heating value.
helps in electrostatic precipitation of ash from flue gases.
corrodes ducts & air preheater, if the flue gas temperature is low.
all 'a' , 'b' & 'c'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Boiling temperature of carbon dioxide at atmospheric pressure is __________ °C.
-30.5
-78.5
-183.5
-10.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Eutectoid reaction for iron-carbon system occurs at a temperature of __________ °C.
597
959
1147
1493
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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