Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about ______________°C?

Related Mcqs:

Bulk density of pulverised coal may be about ______________ kg/m3?

A. 100 B. 500 C. 1000 D. 1500...

Incomplete combustion of a fuel is characterised by the high _______________ in the flue gas?

A. Smoke B. Temperature C. Oxygen D. Carbon monoxide...

With increase in moisture content of coal, its___________________?

A. Calorific value increases B. Caking properties diminish C. Swelling during carbonisation becomes excessive D. None of these...

With increase in the temperature of carbonisation of coal ___________________?

A. Hydrogen content of coke oven gas increases due to cracking of hydrocarbons B. Methane content in the coke oven gas decreases and carbon monoxide content increases C. Calorific value of the coke oven gas decreases due to cracking of hydrocarbons which is not compensated by increase in CO & H2 content D. All A., … With increase in the temperature of carbonisation of coal ___________________?Read More...

Hardgrove Grindability index of four coal samples are given below. Which of them is the easiest to grind ?

A. 50 B. 70 C. 85 D. 100...