A. L.D. converter
B. Blast furnace
C. Rotary kiln
D. Recuperator
Related Mcqs:
- Refractory bricks burnt at very high temperature have got______________?
A. Greater resistance to corrosion by slags
B. Less resistance to corrosion by slags
C. High spalling tendency
D. None of these - Highly porous refractory bricks are ____________________?
A. Less susceptible to chemical attack by molten fluxes and gases etc
B. Very strong
C. Having very high thermal conductivity
D. None of these - Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance?
A. Flint
B. Soda
C. Pyrex
D. Potash - Resistance to fusion of the refractory under a steady rising temperature condition is called ____________________ ?
A. Spalling
B. Refractoriness
C. Both A. & B.
D. Neither A. nor B. - ______________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant ?
A. Pyrex
B. Soda lime
C. Lead
D. High silica - Co-efficient of thermal expansion of glass is decreased by the addition of _______________ during its manufacture?
A. CaO
B. MnO2
C. ZnO
D. FeS - Thermal pyrolysis of ethylene dichloride produces___________________?
A. Trichloroethylene
B. Vinyl chloride
C. Ethanol amine
D. Ethylene oxide - Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of __________________?
A. 4 kgf/cm2 & 500°C
B. 10 kgf/cm2 & 1000°C
C. 40 kg/cm2 & 200°C
D. 100 kgf/cm2 & 500°C - Nylon-6 as compared to Nylon-66 is having higher___________________?
A. Hardness
B. Abrasion/resistance
C. Melting point
D. None of these - Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the_______________?
A. Fertiliser manufacture
B. Car battery solution
C. Synthesis of oleum
D. Water treatment
