MINING MACHINERY QUIZ (5) (44- 54) 10 Questions....! | .
MINING ENGINEERING
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44)
In case of koepe winding the decking difficulties while loading and unloading the cage are overcome by the use of?
1) Safety catches
2) bell plates
3) Keps
4) Hinged platform
45)
The weight of the steel guides is........kgf/m?
1) 5 to 10
2) 10 to 20
3) 20 to 55
4) 60 to 90
46)
The minimum space between two cages is generally?
1) 20 cm
2) 30 cm
3) 40 cm
4) 50 cm
47)
The tensioning arrangement weights are about ....KN per 100 m depth of shallow mines and ...KN per 100 m depth for deep mines?
1) 10 ; 5
2) 5 ;10
3) 10 ; 20
4) 20 ; 10
48)
The life of the guide ropes is?
1)10 year
2) 20 years
3) 5 years
4) 3.5 years
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49)
The factor of safety for the drum winding is?
1) 6
2) 7
3) 9
4) 10
50)
The factor of safety for the friction winding is?
1) 6.5 to 8
2) 9
3) 10
4) 12
51)
While recapping atleast .........m long rope should be cut near the rope cappel?
1) 1 m
2) 2 m
3) 3 m
4) 4.5 m
52)
The maximum life of the winding rope is?
1) 10 years
2) 7 years
3) 5 years
4) 3.5 years
53)
The torques on the winding drum due to loaded cage and due to empty may be balanced as far as practicable by?
1) Use of balancing rope
2) Use of suitable shape of pulley
3) Changing the load on the two cages
4) Controlling the speed
54)
The method of nearly balancing the torques on the winding engine in deep shaft winding by the use of?
1) Balancing rope
2) Bi cycloconical drum
3) Conical drum
4) Large cylindrical drum
ANSWERS FOR ABOVE QUESTIONS
44) 4
45) 3
46) 3
47) 1
48) 1
49) 4
50) 1
51) 2
52) 4
53) 1
54) 2
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MINING ENGINEERING
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