High amount of sulphur and phosphorous in coke causes ____________________ ?

Related Mcqs:

A good metallurgical coke___________________?

A. Should have high porosity B. Should be brittle C. Must contain moderate quantities of ash, moisture, sulphur and volatile matters D. Should have low fusion point of its ash...

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....

Coke oven gas constitutes mainly of ____________________?

A. H2 & CO B. H2 & CH4 C. CH4 & CO D. H2 & CO2...

Ratio of primary air to secondary air increases with increase in the rank of coal, because the__________________?

A. High rank coals have higher amount of volatile matter B. Ratio of fixed carbon to volatile matter increases C. Oxygen content progressively decreases D. Calorific value of the coal increases...

Main constituents of purified Lurgi gas are___________________?

A. H2, CmHn & CO2 B. CO, H2 & CH4 C. CO2, O2 & CO D. N2, H2 & CO2...