In coal preparation plant, magnetic separators are used to remove___________?

A gas turbine basically work on

A. Carnot cycle
B. Rankin cycle
C. Brayton cycle
D. Dual cycle

In a regenerative feed heating cycle, the greatest economy is affected___________?

A. when steam is extracted from only one suitable point of steam turbine
B. when steam is extracted from several places in different stages of steam turbine
C. when steam is extracted only from the last stage of steam turbine
D. when steam is extracted only from the first stage of steam turbine

Solar thermal power generation can be achieved by_______________?

A. using focusing collector or heliostates
B. using flat plate collectors
C. using a solar pond
D. any of the above system

At low value of power factor, the cost of generation of a power station will be____________?

A. high
B. low
C. remain same
D. none of the above

The pressure at the furnace is minimum in case of___________?

A. forced draught system
B. induced draught system
C. balanced draught system
D. natural draught system

The effect of considering friction in steam nozzles for the same pressure ratio leads to_________?

A. increase in dryness fraction of exit steam
B. decrease in dryness fraction of exit steam
C. no change in the quality of exit steam
D. decrease or increase of dryness fraction of exit steam depending upon inlet quality