4037Chemical EngineeringMedium
Which of the following thermocouple materials does not contain nickel?
AChromel
BAlumel
CConstantan
DNone of these
Correct answer
D. None of these
Explanation
The correct answer is None of these.
Correct answer
D. None of these
Explanation
The correct answer is None of these.
In catalytic cracking process, olefins crack ________ times faster than in thermal cracking process?
Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2.°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the________?
Nichol’s chart deals with ________?
The excess air required for the combustion of pulverized coal is of the order of about ________ percent?
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ________ roofs?
If heat transfer rate varies with the time, it is termed as________?