Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in__________________?

Related Mcqs:

An increase in the NH3/CO2 ratio in urea manufacture results in__________________?

A. Increased degree of conversion of CO2 to urea B. Decreased degree of conversion of NH3 to urea C. Decreased yield of urea D. Decreased specific volume of molten mass...

Which of the following gasifiers can be attached to coal based fertiliser plants ?

A. Lurgi (high pressure) gasifier B. Kopper-Totzek gasifier C. Gasifier working at 20 atm D. Gasifier working at 40 atm...

Potassic fertiliser is graded based on its ______________ content?

A. KCl B. K2O C. KNO3 D. K2SO4...

Pick out the correct statement?

A. Reaction of NH3 with HNO3 to produce (NH4)2NO3 is endothermic B. With increase in NH3/CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate C. Biuret (an intermediate during urea manufacture) is toxic to seeds and animals D. Both B. and C....

Gas based fertiliser plants use_________________?

A. Natural gas as a source of hydrogen B. Natural gas as heating medium C. Coal gas as a source of hydrogen D. Coal gas as heating medium...