Chemical Engineering — Test 111
Page 1 of 3
Question 1
Calorific value of both the solid & liquid fuels can be determined by using ______________ calorimeter?
Question 2
The advantage of firing pulverised coal in the furnace lies in the fact, that it____________________?
Question 3
Function of secondary air in pulverised coal firing is to_________________?
Question 4
A coal having higher volatile matter content will necessarily have lower____________________?
Question 5
Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around ______________ cm/hr?
Question 6
Low temperature carbonisation of coal produces_________________?
Question 7
For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will_____________________?
Question 8
Blast furnace coke is made from coal by_____________________?
Question 9
In flue gas analysis by Orsat’s apparatus, oxygen is absorbed by____________________?
Question 10
Dry air requirement for burning 1 Nm3 of CO to CO2 may be around _______________ Nm3 ?