Related Questions

__________ is an ore concentrating metallurgical process involving a chemical change.
A Electromagnetic separation
B Froth floatation
C Roasting
D None of these
Which of the following methods of stock control aims at concentrating efforts on selected items of material?
A Perpetual inventory system
B Material turnover ratio
C Level setting
D ABC analysis
Renal concentrating power can be assessed by
A Water deprivation test
B Examination of urinary specific gravity
C Examination of urinary osmolarity
D Examination of urine for protein
E Examination of urine for glucose
Evaporator used for concentrating tomato juice is made of
A Nickel
B Brass
C Stainless steel-glass lined
D Cast iron-rubber lined
Agitated film evaporator is suitable for concentrating __________ liquids.
A Foaming
B Viscous
C Very thin
D Corrosive
A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides
A Higher economy
B Lower capacity
C Both A & B
D Lower economy
Forced circulation evaporators are normally used for concentrating liquids having
A Scaling characteristics
B High viscosity
C Both A & B
D Neither A nor B
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and difference of the digits of the number if the ratio between the digits the number is 1 : 2?
A 4
B 8
C 16
D 24
The difference between the radio of bigger difference between circle and smaller circle is 14 and the difference between their sareas is 1056 cm2 . Radius of the smaller circle is .
A 7 cm
B 5 cm
C 9 cm
D 3 cm
Coal, which is almost pure carbons which hardly has any impurities, which is smokeless and which finds use in the steel industry is called
A Coking coal
B Anthracite
C Bituminous coal
D Lignite

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