A. Vertical shaft
B. Rotary
C. Fluidised bed
D. Fixed bed
Related Mcqs:
- How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln ?
A. 500°C
B. 750°C
C. 1000°C
D. 1500°C - Calcination of gypsum produces__________________?
A. Plaster of Paris
B. Salt cake
C. Nitre cake
D. Lime - Fusion of limestone and ______________ produces high alumina cement?
A. Sand
B. Bauxite
C. Quicklime
D. Calcite - Rotary kiln is not involved in the production of___________________?
A. Cement
B. Lime from limestone
C. Slaked lime from quick lime
D. None of these - Production of one ton of cement requires about _______________ tons of limestone ?
A. 0.6
B. 1.2
C. 2.2
D. 3.8 - Main constituent of limestone is____________________?
A. CaCO3
B. MgCO3
C. Na2CO3
D. CaSO4 - Commercial production of soda ash by Solvay process requires limestone, ___________________ as raw materials?
A. Coke and sand
B. Brine and coal
C. Coke and caustic soda
D. None of these - Commercial production of calcium carbide requires limestone and __________________ as raw materials?
A. Coke
B. Sand
C. Soda ash
D. Fuel oil - One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to_________________?
A. Adjust the pH of the syrup
B. Remove the coloring matter from the syrup
C. Reduce the viscosity of the syrup
D. Improve the rate of crystallisation of sugar - High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B.
