5141Chemical EngineeringMedium
Thermal efficiency of blast furnace stoves used for heating blast (air) may be about ________ percent?
A20
B80
C60
D40
Correct answer
B. 80
Explanation
The correct answer is 80.
Correct answer
B. 80
Explanation
The correct answer is 80.
A multiple reaction may be classified as a ________ reaction?
The exit age distribution of a fluid leaving a vessel (denoted by E) is used to study the extent of non-ideal flow in the vessel. The value of ∫∞ 0 E.dt is________?
In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be________?
The relative volatility of a binary mixture at constant temperature ________ the total pressure?
Participation of ________ is involved in the occurrence of a chemical reaction?
Water is flowing through a series of four tanks and getting heated as shown in figure. It is desired to design a cascade control scheme for controlling the temperature of water leaving the tank 4 as there is a disturbance in the temperature of a second stream entering the tank 2. Select the best place to take the secondary measurement for the second loop?