A. Venting off (after burning) the excess inflammable/toxic gases at high pressure
B. Absorbing the pollutant gases from the furnace exhaust
C. Cooling of furnace exhaust gases
D. None of these
Related Mcqs:
- Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the ______________ temperature of air?
A. Wet bulb
B. Dry bulb
C. Saturation
D. Dew point - In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the________________?
A. Range is 15°F
B. Approach is 10°F
C. Both A. & B.
D. Neither A. nor B. - The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?
A. Ambient
B. Dry bulb
C. Dew point
D. Wet bulb - Baffles provided on the shell side of a shell and tube heat exchanger are meant for _____________________?
A. Providing support for the tubes
B. Improving heat transfer
C. Both A & B
D. Preventing the fouling of tubes & stagnation of shell side fluid - _____________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C ?
A. Borosilicate
B. High silica
C. Supermax
D. Lead - ‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?
A. V
B. V/2
C. 2V
D. 3V - Maximum consumption of limestone is in the ____________________ industry?
A. Iron and steel
B. Cement
C. Glass
D. Fertiliser - The most important requirement for aluminium industry is the availability of cheap _______________?
A. Ore
B. Electrical power
C. Labour
D. Abundant water - Production of one ton of paper in Indian paper industry consumes about ____________ kWh of electricity ?
A. 300
B. 800
C. 1400
D. 2000 - ______________________ temperature remains constant during adiabatic saturation process of unsaturated air ?
A. Dew point
B. Dry bulb
C. Wet bulb
D. None of these