Fuels And Combustion - Practice Test

(A) 5

(B) 15

(C) 25

(D) 50

(C) 25

(A) Coking coals cannot be used

(B) Low carbon conversion efficiency is achieved

(C) Entrainment of solids is higher

(D) Larger quantity of coal can be processed

(D) Larger quantity of coal can be processed

(A) Density

(B) Porosity

(C) Electrical resistivity

(D) None of these

(A) Density

(A) Fixed carbon

(B) Total carbon

(C) Hydrogen

(D) Nitrogen

(A) Fixed carbon

(A) To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls

(B) Because, it alone produces unreactive coke

(C) Both A & B

(D) Neither A nor B

(C) Both A & B

Fuels And Combustion - Study Mode