MINING MACHINERY QUIZ 2 ( 12- 22) Questions....! |
MINING ENGINEERING
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12)
Mechanical breaks are applied upto depth of?
1) 100 m
2) 200 m
3) 300 m
4) 400 m
13)
Regenarative braking is used when?
1) Hoising loads
2) lowering loads
3) Inspection of the cage
4) None
14)
In koepe winding the overwind is prevented by?
1) Detaching hook
2) Automatic contrivances
3) Convergence of the guides
4) None
15)
In the event of power failure the brake automatically applied is?
1) Mechanical brake
2)Thrustor brake
3) Regenerative brake
4) None
16)
The portion of the rope suffers from most severe shocks is?
1) Near the capel
2) Near the drum
3) The part of the rope that rests on the drum
4) Part of the rope rests on headgear pulley
17)
The raising capacity of amine depends on the shaft capacity which in turn depends on?
1) Speed of winding
2) Pit top and pit bottom arrangement
3) Rolling stock
4) Dispatch system
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18)
The pit top and pit bottom arrangement which deals with reasonable output per month and occupies less space is?
1) Run round arrangement
2) Back shunt circuit
3) Turn table circuit
4) Traverse circuit
19)
The out put per month for the turn table circuit is?
1) 50000
2) 40000
3) 30000
4) 20000
20)
The out put per month for the Backshunt circuit is?
1) 50000
2) 40000
3) 30000
4) 20000
21)
The simplest system of haulage system for raising the loads?
1) Direct rope haulage
2) Endless rope haulage
3) Main tail rope haulage
4) Gravity
22)
The gradient suitable for direct rope haulage is steeper than?
1) 1 in 15
2) 1 in 3
3) 1 in 10
4) 1 in 30
ANSWERS
12) 2
13) 2
14) 3
15) 2
16) 1
17) 2
18) 3
19) 3
20) 1
21) 1
22) 3
| Mining is like a search-and-destroy mission. |
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MINING ENGINEERING
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