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.Management Sciences
Category: CHEMICAL ENGINEERING
The end bleaching agent used to move last traces of colour bodies from the pulp is ____________________?
A. Chlorine dioxide (ClO2)
B. MgO
C. SO2 gas
D. Mercaptans
Chromel (Nichrome) is an alloy of_____________________?
A. Chromium and molybdenum
B. Nickel and chromium
C. Molybdenum and nickel
D. Chromium and aluminium
Continuous measurement of specific gravity of a liquid is done by __________________?
A. Hydrometer
B. Contact-type electric indicators
C. Displacement meter
D. Both A. and C.
A boiling water reactor is the one, in which the_______________________?
A. Coolant water is allowed to boil in the core of the reactor
B. Coolant water, after being heated in the reactor core, generates steam in a boiler
C. Pressurised water is pumped into the core
D. Fuel and the coolant are thoroughly mixed to form a homogeneous solution
Gobar gas is produced by the ______________ of cow dung?
A. Fermentation
B. Oxidation
C. Hydrogenation
D. None of these
Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?
A. Smoke point
B. Octane number
C. Cetane number
D. Viscosity
Cation exchanger is regenerated usually with_________________________?
A. NaOH
B. H2SO4
C. Hydrazine
D. Alum solution
Carbon is present in steel wholly in the__________________?
A. Combined form
B. Free state as graphite
C. Both A. and B.
D. Neither A. nor B.
With increase in temperature, the vapor pressure of liquids__________________?
A. Increases
B. Increases linearly
C. Decreases
D. Remain constant
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