The efficiency of chimney is approximately______________?

Artificial draught is produced by____________?

A. air fans
B. steam jet
C. fan or steam jet
D. all of the above

Demand factor is defined as___________?

A. average load/maximum load.
B. maximum demand/connected load
C. connected load/maximum demand.
D. average load x maximum load

The pressure on the two sides of the impulse wheel of a steam turbine_____?

A. is same
B. is different
C. increases from one side to the other side
D. decreases from one side to the other side

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

A. dust
B. clinkers
C. iron particles
D. sand

Load curve is useful in deciding the__________?

(a) A. operating schedule of generating units
B. sizes of generating units
C. total installed capacity of the plant
D. all 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