______become the highest in run scorer in Twenty20 International history on the February 8,2019
A. Virat Kholi
B. Kamran Akmal
C. Imam- Ul haq
D. Rohit Sharma
Month: February 2019
In which famous City, the busiest avenue was formally unveiled on 8 feb 2019 named after “Muhammad Ali Jinnah Way” ?
In which famous City, the busiest avenue was formally unveiled on 8 feb 2019 named after “Muhammad Ali Jinnah Way” ?A. New York
B. London
C. Tokyo
D. Paris
B. London
C. Tokyo
D. Paris
For transporting pasty material, one will use a/an__________________?
For transporting pasty material, one will use a/an__________________?
A. Apron conveyor
B. Belt conveyor
C. Screw conveyor
D. Bucket elevator
Dispersion of a gas through liquid is done by using a__________________?
Dispersion of a gas through liquid is done by using a__________________?
A. Sparger
B. Kneader
C. Masticator
D. None of these
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be_________________?
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be_________________?
A. 0.5 Wi
B. Wi
C. 1.34 Wi
D. 3.34 Wi
Which of the following oxides is not present in hematite iron ore ?
Which of the following oxides is not present in hematite iron ore ?
A. Titanium oxide
B. Calcium oxide
C. Cobalt oxide
D. Manganese oxide
In filtration, the use of ‘filter aid’ helps in__________________?
In filtration, the use of ‘filter aid’ helps in__________________?
A. Reducing the filtration pressure
B. Accelerating the rate of filtration
C. Deplugging the filter medium
D. Enhancing the cake porosity in case of a dense impermeable cake
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 ?
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
The filtrate flow rate in constant pressure filtration___________________?
The filtrate flow rate in constant pressure filtration___________________?
A. Continuously increases
B. Continuously decreases
C. Remain constant throughout
D. May increase or decrease; depends on the pressure
In case of a ball mill ?
In case of a ball mill ?
A. Coarse feed requires a larger ball
B. Fine feed requires a larger ball
C. Operating speed should be more than the critical speed
D. None of these