Coking time in a commercial high temperature coal carbonisation plant is about ______________ hours?

Related Mcqs:

A coal having high volatile matter content will ________________?

A. Give less yield of tar and gas on carbonisation B. Burn with a small non-smoky flame C. Have a very high calorific value D. None of these...

Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in_____________________?

A. KOH B. Ammoniacal cuprous chloride C. Pyrogallol solution D. None of these...

Artificial draught produced by a fan can be controlled by the___________________?

A. Speed of the fan B. Damper C. Variation in the pitch of the fan blades D. All A., B. and C....

Naphthalene is removed from coke oven gas by________________?

A. Scrubbing with wash oil (a petroleum product) B. Adsorbing on bog iron bed C. Absorbing in vetro-coke solution D. None of these...

In high temperature carbonisation (as compared to low temperature carbonisation) of coal___________________?

A. Coke oven gas yield is more B. Tar yield is less but free carbon in tar is more C. Calorific value of coke oven gas is less D. All A., B. and C....