AKTU AND BETU ONLINE MOST IMPORTENT QUESTION
What is the role of breaker house in coal feeding?
a) To break the coal into smaller pieces
b) To separate different sizes of coal
c) To separate the light dust from the coal..
d) To powder the coal
When coal is being burnt how much % of ash is formed compared to the whole amount?
a) 10-20%...
b) 40-50%
c) 25-35%
d) 4-10%
Why is it important to prefer ash handling systems?
a) Coal ash produced destroys the machinery by entering into them
b) Coal ash produced annually accounts for thousands of tones
c) Coal ash can be reutilized for some other purpose
d) Coal ash affects the health of people working at plants
Large amount of coal is transported by ________
a) railway..
b) sea or river ways
c) road transportation
d) by airlifting
The coal is fed to the furnace through _________
a) conveyor belt
b) wagon tipper
c) hopper...
d) crane
Which system consumes less power out of all ash handling systems?
a) Mechanical ash handling system..
b) Pneumatic ash handling system
c) Hydraulic ash handling system
d) Steam jet ash handling system
What is the function of
b) To force up the movement of ash through pipes or tubes
d) To separate minute coal particles
Which medium is used to carry ash in the pneumatic ash handling system?
a) Conveyor belt
b) Water trough
c) Air..
d) Chain belt
Which system is noisy out of all the following ash handling systems?
a) Steam jet ash handling system
b) Mechanical ash handling system
Which medium is used to carry ash in hydraulic system?
a) Air
b) Water..
c) Steam
d) Conveyor
What is the capacity of low pressure hydraulic ash handling system?
a) 80 tonnes/hour
b) 22 tonnes/hour
c) 50 tonnes/hour...
d) 10 tonnes/hour
Why is fuel need to be stocked in steam power plant?
a) To supply to near
What is the ideal site for power plant?
a) In hilly regions
b) On islands
c) Near water resources..
d) In center lands
Which type of transportation system is ideal for transporting coal directly to the point of consumption?
a) Road transportation..
b) Sea or river transportation
c) Transportation by rail
d) Transportation by air
Why is it necessary to have a coal storage yard near the plant?
a) To supply to other nearby power plants
b) To cut down on varying transportation rates
What is the use of electrostatic precipitations in the steam power plant?
(a)To remove the steam
(b)To draw the coal powder into the boiler
(c)To remove the feed water
(d)To remove fly ash..
What is the function of sizer in coal handling?
(a)To separate the coal depending on size
(b)To check the amount of fuel that is supplied
(c)To pick the coal of required size..
(d)To divert the coal flow into different burners
What is the function of grab bucket conveyor in coal handling?
(a)To lift the coal vertically
(b)To crush the coal
(c)To move coal from one place to another..
(d)To separate crushed coal and powdered coal
Out of all conveyors which type of conveyor has a greater capacity to convey a large amount of coal?
(a)Belt conveyor...
(b)Chain conveyor
(c)Screw conveyor
(d)Scraper conveyor
What is the distance at which belt conveyors can convey?
(a)100 m
(b)200 m
(c)50 m
(d)500 m...
what speed range does the screw conveyor run at?
(a)60 – 80 rpm
(b)20 – 100 rpm
(c)60 – 120 rpm..
(d)90 – 180 rpm
The most common method used for burning of coal is
(a)Stroker firing
(b)Pulverized fuel firing
(c)Hand firing
(d) Both stroker firing and pulverized fuel firing...
What does ESP stand for in dust collection?
(a)Endothermic sensor plate
(b)Extrasensory perception
(c)Electrostatic precipitators
(d)Electronic stability program
Cyclone separators are also known as __________.
(a)
Twist cleaners
(b)
Squall
(c)
Pre-cleaners...
(d)
Zephyr cleaners
The major constituent of fly ash is
(A) Silicon dioxide...
(B) Aluminium oxide
(C) Calcium oxide
(D) Magnesium oxide
By what is natural draught produced?
a) Air duct
b) Chimney..
c) Locomotive exhaust
d) Air blower
When is artificial draught preferred?
a) When quick evacuation of flue gases is required
b) When we choose large power plant systems
c) When draught produced by chimney is not sufficient
d) When there are many components inside the boiler
Artificial draught is also called as _______
a) Force draught
b) Induced draught
c) Balanced draught
d) Mechanical draught..
Where is blower installed in induced draught system?
a) Near the boiler
b) Base of the chimney..
c) Above the boiler
d) Between economizer and air preheater
How can exhaust gas be recovered in the induced draught?
a) By installing the forced draught fan at the starting point
b) By extending the chimney’s height
c) By inletting high amount of air from multiple air ducts
d) By installing air preheater and economizer along the gas path..
Which is most preferred type of draught system?
a) Chimney draught
b) Fan draught
c) Force draught
d) Balanced draught
Add class comment…
No comments:
Post a Comment