- (A) using focusing collector or heliostates
- (B) using flat plate collectors
- (C) using a solar pond
- (D) any of the above system
Exam preparation MCQs with answers
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- (A) induced draught
- (B) natural draught
- (C) forced draught
- (D) balanced draught
- (A) impulse turbines
- (B) reaction turbines
- (C) impulse-reaction turbines
- (D) none of the above
- (A) air
- (B) feed water
- (C) flue gases
- (D) all above
- (A) higher critical temperature and pressure
- (B) higher saturation temperature than other fluids
- (C) relatively low vapourisation pressure
- (D) all above
- (A) utilise heat of flue gases
- (B) increase thermal efficiency
- (C) improve condenser performance
- (D) reduce loss of heat
- (A) exhaust gases
- (B) heaters
- (C) draining steam from the turbine
- (D) all above
- (A) increases with number of feed heaters increasing
- (B) decreases with number of feed heaters increasing
- (C) remains same unaffected by number of feed heaters
- (D) none of the above
- (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
- (A) less smoke
- (B) more draught
- (C) less chimney gas temperature
- (D) all of the above

