Related Questions

Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are
A Carbonates
B Sulphates
C Silicates & phosphates
D Bi-carbonates
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
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called
A liquation
B leaching
C levigation
D magnetic separation
Ore concentration by froth floatation utilises the __________ of ore particles.
A Density difference
B Wetting characteristics
C Terminal velocities
D None of these
Leaching of uranium ore and gold ore is done in
A Centrifugal extractor
B Pachuka tanks
C Bollman extractor
D None of these
Which of the following is not categorised as a "mechanical operation"?
A Agitation
B Filtration
C Size enlargement
D Humidification
Which of the following cannot be categorised under risk?
A Dying too young
B Dying too early
C Natural wear and tear
D Living with disability
Which among the following can be categorised under transactional products?
A Bank deposits
B Life insurance
C Shares
D Bonds
Which among the following can be categorised under contingency products?
A Bank deposits
B Life insurance
C Shares
D Bonds
Which of the following is categorised as the plastic welding?
A Gas welding
B Electric arc welding
C Forge welding
D None of these

Next steps