The maximum length of a screw conveyer is about___________?
The maximum length of a screw conveyer is about___________?
A. 30 metres
B. 40 metres
C. 60 metres
D. 100 metres
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One kilowatt hour is equal to_________?
One kilowatt hour is equal to_________?
A. 532 k cal.
B. 735 k cal.
C. 746 k cal.
D. 860 k cal.Deaerative heating is done to_____________?
Deaerative heating is done to_____________?
Deaerative heating is done to
A. heat the water
B. heat the air in the water
C. remove dissolved gases in the waterThe thermal efficiency of the engine with condenser as compared to without condenser, for a given pressure and temperature of steam, is_____________?
The thermal efficiency of the engine with condenser as compared to without condenser, for a given pressure and temperature of steam, is_____________?
A. higher
B. lower
C. same as long as initial pressure and temperature is unchanged
D. none of the aboveThe ideal load factor should be_____________?
The ideal load factor should be_____________?
A. unity
B. zero
C. negative.
D. infinity.Belt conveyer can be used to transport coal at inclinations upto____________?
Belt conveyer can be used to transport coal at inclinations upto____________?
A. 30°
B. 60°
C. 80°
D. 90°The pressure at the furnace is minimum in case of___________?
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