Mine Ventilation - Study Mode
[#186] What is the ignition temperature of CO.
Correct Answer
(A) 873 K
[#187] The weight of AFD . . . . . . . . with battery.
Correct Answer
(C) 1500 g
[#188] The ratio to the kata factor to time in seconds for alcohol to fall from upper mark to lower mark called
Correct Answer
(B) cooling power
[#189] A blotting paper soaked in lead acetate changes its colour to black in the presence of . . . . . . . . gas.
Correct Answer
(D) H 2 S
[#190] Colour of nitrous fumes are
Correct Answer
(B) yellow to redish brown