895Chemical EngineeringMedium
Caprolactam (a raw material for nylon-6 manufacture) is produced from ________?
ABenzene
BPyridine
CNaphthalene
DPhenol
Correct answer
A. Benzene
Explanation
The correct answer is Benzene.
Correct answer
A. Benzene
Explanation
The correct answer is Benzene.
Invar used in thermocouples is an alloy of nickel and________?
Which of the following is not an alloy of copper?
Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
Shouting by a man at his full voice corresponds to a voice level of about ________ decibels?
Pick out the wrong statement?
A process stream of dilute aqueous solution flowing at the rate of10 Kg.s-1 is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s-1. A 1 – 1 shell and tube heat exchanger is available. The best arrangement is________?