A. less
B. more
C. same
D. not predictable
Month: July 2018
A. forced fan
B. chimney
C. steam jet
D. only motion of locomotive
A. induced fan
B. forced fan
C. induced and forced fan
D. all of the above
A. to produce draught to accelerate the combustion of fuel
B. to discharge gases high up in the atmosphere to avoid hazard
C. to reduce the temperature of the hot gases discharged
D. none of the above
A. less
B. more
C. same
D. may be more or less
A. decreases if the chimney gas temperature increases
B. increases if the chimney gas temperature increases
C. remains same irrespective of chimney gas temperature
D. may increase or decrease
A. decreases with increase in outside air temperature
B. increases with increase in outside air temperature
C. remains the same irrespective of outside air temperature
D. may increase or decrease with increase in outside air temperature
A. due to the fact that furnace gases being light go through the chimney giving place to cold air from outside to rush in
B. due to the fact that pressure at the grate due to cold column is higher than the pressure at the chimney base due to hot column
C. due to the fact that at the chimney top the pressure is more than its environmental pressure
D. all of the above
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
