A. 30°
B. 60°
C. 80°
D. 90°
Related Mcqs:
- The maximum length of a screw conveyer is about___________?
A. 30 metres
B. 40 metres
C. 60 metres
D. 100 metres - 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 a modern boiler using coal and heat recovery equipment is about_____________?
A. 25 to 30%
B. 40 to 50%
C. 65 to 70%
D. 85 to 90% - In coal preparation plant, magnetic separators are used to remove___________?
A. dust
B. clinkers
C. iron particles
D. sand - Method which is commonly applied for unloading the coal for small power plant is___________?
A. lift trucks
B. coal accelerators
C. tower cranes
D. belt conveyor - Where unpulverised coal has to be used and boiler capacity is large, the stoker which is used is______________?
A. underfeed stoker
B. overfeed stoker
C. any - In Rankine cycle the work output from the turbine is given by__________?
A. change of internal energy between inlet and outlet
B. change of enthaply between inlet and outlet
C. change of entropy between inlet and outlet
D. change of temperature between inlet and outlet - The effect of considering friction in steam nozzles for the same pressure ratio leads to_________?
A. increase in dryness fraction of exit steam
B. decrease in dryness fraction of exit steam
C. no change in the quality of exit steam
D. decrease or increase of dryness fraction of exit steam depending upon inlet quality - Primary air is that air which is used to_____________?
A. reduce the flame length
B. increase the flame length
C. transport and dry the coal
D. provide air around burners for get¬ting optimum combustion - The voltage of a single solar cells is about
A. 0.5 volt
B. 1 volt
C. 1.8 volt
D. 1. 5 volt
