Question

Removal of water is done by ___________

(a) Orsteds process

(b) Kjeldahl’s process

(c) Filtration

(d) Cottrells process

I had been asked this question in a job interview.

The doubt is from Mining of Petroleum topic in section Fuel Technologies of Applied Chemistry

Answer 1

Right option is (d) Cottrells process

For explanation I would say: Cottrells process is used to remove the water from the petroleum. kjeldahl’s process is used to know the percentage of nitrogen in the coal sample.