Q. Which of the following is unsuitable fuel for producer gas manufacture ?

View solution

Q. A good metallurgical coke

View solution

Q. The main advantage of forced draft over natural draft is that

View solution

Q. Benzene is used

View solution

Q. Fischer-Tropsch method aims at the

View solution

Q. To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in

View solution

Q. Artificial draught produced by a fan can be controlled by the

View solution

Q. Water gas constitutes mainly of

View solution

Q. Coke made in narrower by-product coke ovens (as compared to wider ovens) is

View solution

Q. Which of the following has the highest flame velocity ?

View solution

Q. Which of the following constituents of a fuel does not contribute to its calorific value on combustion ?

View solution

Q. Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces

View solution

Q. For long flame and easy ignition, the coal used should have

View solution

Q. Which of the following has the highest calorific value (kcal/Nm³) ?

View solution

Q. Naphthalene is used for making

View solution

Q. The advantage of firing pulverised coal in the furnace lies in the fact, that it

View solution

Q. A coal having higher volatile matter content, has lower

View solution

Q. Weathering of coal during storage causes

View solution

Q. With increase in the temperature of carbonisation of coal

View solution

Q. The gasification reaction represented by, C + H₂O = CO + H₂, is

View solution