2456Chemical EngineeringMedium
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of h2/ky.Cz is around________?
A0.60
B0.24
C0.72
D1
Correct answer
D. 1
Explanation
The correct answer is 1.
Correct answer
D. 1
Explanation
The correct answer is 1.
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer cannot take place________?
With increase in drum speed, in a rotary drum filter, the filtration rate________?
A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is________?
The thermal emf-temperature relationship of most thermocouples is________?
To get a fine talc powder from its granules, the equipment used is________?