Related Questions

Pine oil and cresylic acid are used as __________ in the froth floatation process.
A Frother
B Collector
C Depressor
D Conditioner
Pine oil used in froth floatation technique acts as a/an
A Collector
B Modifier
C Frother
D Activator
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
The oil used in the froth floatation process is
A coconut oil
B olive oil
C kerosene oil
D pine oil
Xanthates are used in the froth floatation process as a/an
A Conditioner
B Frother
C Collector
D Activator
Froth floatation process to concentrate the minerals is applicable to
A Calamine
B Chalcopyrites
C Bauxite
D Haematite
Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator?
A Cresylic acid
B Copper sulphate
C Calcium carbonate
D Sodium carbonate
Which of the following sets of prepositions should be used in the blanks?We should not pine __ what is not there and should adhere __ our principles.
A to; with
B for;about
C by;on
D for;to
Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles (i.e., froth), which will hold the ore particles, but it does not affect the floatability of minerals. Which of the following is not used as a frother?
A Cresylic acid
B Xanthaies
C Pine oil
D All of the above
Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 2/3 full of oil. If all of the oil in drum X is poured into drum Y, then drum Y will be filled to what fraction of its capacity?
A 3/4
B 5/6
C 11/12
D 7/6

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