Q. Beehive coke ovens are made of __________ bricks.

Related MCQs

Q. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around __________ c.c per gallon of petrol.

Q. Extraction of uranium from its ore is done using __________ methods.

Q. If oxygen content in the flue gas rises too high, fuel is being wasted by

Q. Choose the correct statement.

Q. Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C.

Q. A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss,

Q. ________ of austenite decreases the hardenability in steel.

Q. __________ furnace is not an electric furnace.

Q. In a shell and tube heat exchanger, the height of 25 percent cut baffles is equal to (where, D = inside diameter of shell)

Q. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about ___________ percent.