Load carrying capacity of belt conveyor is about___________?
Load carrying capacity of belt conveyor is about___________?
A. 20 to 40 tonnes/hr
B. 50 to 100 tonnes/hr
C. 100 to 150 tonnes/hr
D. 150 to 200 tonnes/hr
Load carrying capacity of belt conveyor is about___________?
A. 20 to 40 tonnes/hr
B. 50 to 100 tonnes/hr
C. 100 to 150 tonnes/hr
D. 150 to 200 tonnes/hr
The efficiency of chimney is approximately______________?
A. 80%
B. 40%
C. 20%
D. 0.25%
Reheat cycle in steam power plant is used to________________?
A. utilise heat of flue gases
B. increase thermal efficiency
C. improve condenser performance
D. reduce loss of heat
The percentage 02 by volume in atmosphere air is____________?
A. 21%
B. 23%
C. 77%
D. 79%
For forced draught system, the function of chimney is mainly_____________?
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
The artificial draught normally is designed to produce____________?
A. less smoke
B. more draught
C. less chimney gas temperature
D. all of the above
The voltage of a single solar cells is about
A. 0.5 volt
B. 1 volt
C. 1.8 volt
D. 1. 5 volt