While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about ________ °C?

Sticky material can be dried in a ________ dryer?

An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is________?

Ash content in the coke produced from a coking coal having 20% ash may be around ________ percent?

Which of the following is not a common refrigerant?

Disappearance of snow in subzero weather exemplifies the process of________?