MINING MACHINERY QUIZ HAULAGE (7) (67- 80) 14 Questions....! | . MINING ENGINEERING

 MINING MACHINERY QUIZ (7) (67- 80) 14 Questions....! | .

MINING ENGINEERING 

MINE HAULAGE...........?...................?....!

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

QUESTIONS  OF FOLLOWING (67-80) 14Q 

                             AND                           

ANSWERS  ARE BELOW THE QUESTIONS  

67)

Where continuous movement of loaded and empty tubs are necessary the rope

haulage suitable is?

1) Direct rope haulage

2) Endless rope haulage

3) Main tail rope haulage

4) Gravity

68)

The surface of the drive pulley in endless haulage is?

1) Flat

2) Curved

3) Tapered

4) Grooved

69)

In endless rope haulage the C.I sheets having the tapering of?

1) 1 in 6

2) 1 in 4

3) 1 in 10

4) 1 in 8

70)

The correct place for tension bogey is?

1) Near the haulage engine

2) Any point on the level roadway

3) At the point where slack rope is most likely to occur

4) None

71) 

Smalman clip is the device used to attach?

1) Direct rope haulage

2) Endless rope haulage

3) Main tail rope haulage

4) Gravity

72)

In over rope endless haulage system ...... is used for attaching the tubs?

1)Screw clip

2) Smallman clip

3) Cam clip

4) Lashing chain

WhatsApp Group Link

Click Here

73) 

The system of rope haulage most suitable for undulating roadways and where it is not possible or desirable to maintain two tracks is?

1) Main and tail 

2) Direct rope

3) Endless rope

4) Gravity

74)

In main and tail rope haulage the length of the tail rope is.....of the haulage plane?

1) Equal

2) 1/2 times

3) 2 times

4) 4 times

75)

The system of rope haulage suitable with least cost to lower the loads to feed to the haulage at lowest level is?

1) Direct rope haulage

2) Endless rope haulage

3) Main tail rope haulage

4) Gravity

WhatsApp Group Link

Click Here

76)

The factor of safety for the rope haulage is?

1) 10

2) 9

3) 6 to 7

4) 5 to 6

77) 

The weight of the tracks for locomotives of more than 10 te capacity?

1) 28 kgf/m

2) 18 kgf/m

3) 16 kgf/m

4) 10 kgf/m

78) 

The distance between two adjacent sleepers should not exceed?

1) 1 m

2) 0.85 m

3) 0.6 m

4) 0.5 m

79) 

For tubs of 1.1 cu.m capacity the rail section should be of minimum weight

of?

1) 28 kgf/m

2) 18 kgf/m

3) 16 kgf/m

4) 10 kgf/m

80) 

The general track gauge for 1.1 cu.m tub?

1) 0.3 m

2) 0.6 m

3) 0.9 m

4) 1 m

ANSWERS  FOR ABOVE QUESTIONS

67)   2

68)    3

69)    4

70)    3

71)    2

72)    4

73)    1

74)    3 

75)    4

76)    3

77)    1

78)    2

79)    3

80)    2

YouTube 

Mining Engineering 

CLICK HERE 

 Mining is like a search-and-destroy mission.

THANKING YOU MINING ENGINEERING 

MINING MACHINERY QUIZ (Winding) (6) (55- 66) 12 Questions....! | . MINING ENGINEERING

   MINING MACHINERY QUIZ (6) (55- 66) 10 Questions....! | .

MINING ENGINEERING 

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

QUESTIONS  OF FOLLOWING (55-66) 12Q 

                             AND                           

ANSWERS  ARE BELOW THE QUESTIONS  

55)

The arc of contacting of winding rope in tower mounted friction winding

is....deg ?

1) 90 to 120

2) 120 to 150

3) 200 to 230

4) 250 to 280

56)

The arc of contacting of winding rope in friction winding is....deg ?

1) 90 to 120

2) 120 to 150

3) 185 to 230

4) 250 to 280

57)

The coefficient of friction between the sheave lining and the rope is minimum

of?

1) 0.12

2) 0.2

3) 0.4

4) 0.65

58)

The rope may slip over the wheel when the ratio T1:T2 exceeds a value?

1) 1.2 to 1.3

2) 1.4 to 1.5

3) 1.5 to 1.6

4) 1.8 to 2

59) 

In very deep mining the method of winding best suited is?

1) Drum winding

2) Koepe winding

3) Tower mounted koepe winding

4) Blair winding

60)

The method of speed control and electric winder of large capacity i.e above

800kw is?

1) sheostatic control

2) Liquid control

3) Ward leonard speed control

4) Electrical breaking

WhatsApp Group Link

Click Here

61) 

Automaric contrivances should be provided for every shaft exceeding

minimum....m depth?

1) 50

2) 80

3) 100

4) 150

62)

When men are being hoisted orlowered as the cage appoached pit top or pit

bottom decking level its speed should not exceed 1.5 m/sec such arrangement is 

known as?

1) Over speed device

2) Overwind device

3) Ward leonard control

4) Slow banking device

63)

Mechanical breaks are applied upto depth of?

1) 100 m

2) 200 m

3) 300 m

4) 400 m

64) 

Regenerative braking is used when?

1) Hoisting loads

2) lowering loads

3) Inspection of the cage

4) None

65)

In koepe winding the overwind is prevented by?

1) Detaching hook

2) Automatic contrivances

3) Convergence of the guides

4) None

66)

In the event of power failure the brake automatically applied is?

1) Mechanical brake

2) Thrustor brake

3) Regenarative brake

4) None

ANSWERS  FOR ABOVE QUESTIONS

55)    3

56)    3

57)    2

58)     3

59)    4

60)    3

61)    3

62)    4 

63)    2

64)    2

65)     3

66)      2

YouTube 

Mining Engineering 

CLICK HERE 

 Mining is like a search-and-destroy mission.

THANKING YOU 

MINING ENGINEERING 

MINING MACHINERY QUIZ (5) WINDING (44- 54) 10 Questions....! | . MINING ENGINEERING

  MINING MACHINERY QUIZ (5) (44- 54) 10 Questions....! | .

MINING ENGINEERING 

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

QUESTIONS  OF FOLLOWING (44-54) 10Q 

                             AND                           

ANSWERS  ARE BELOW THE QUESTIONS  

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

WhatsApp Group Link

Click Here

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

YouTube 

Mining Engineering 

CLICK HERE 

 Mining is like a search-and-destroy mission.

THANKING YOU 

MINING ENGINEERING  

MINING MACHINERY QUIZ WINDING (4) (33- 43) 10 Questions....! | . MINING ENGINEERING

  MINING MACHINERY QUIZ (4) (33- 43) 10 Questions....! | .

MINING ENGINEERING 

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

QUESTIONS  OF FOLLOWING (33-43) 10Q 

                             AND                           

ANSWERS  ARE BELOW THE QUESTIONS  

33)

The angle of fleet should not exceed?

a) 1 deg

b) 1.5 deg

c) 3 deg

d) 5 deg

34)

The pay load carried by skip is?

a) 6 te

b) 8 te

c) 10 te

d) 12 te

 35)

The ratio of pay load to gross load for skip winding is.......and for cage winding is...?

a) 0.6 ; 0.35

b) 0.35 ; 0.6

c) 0.8 ; 0.6

d) 0.6 ; 0.8,

 36)

The groove of the head gear pulley should be ...........of the circumference of the rope is in contact with the groove?

a) 1/4

b) 1/2

c) 1/3

d) 3/4

37) 

The number of spokes in head gear pulley are?

a) 15

b) 19

c) 21

d) 25

38)

The cage chains should be annealed at least once in?

a) 3 months

b) 6 months

c) 9 months

d) 12 months

WhatsApp Group Link

Click Here

39)

The components of cage arrangements chains; links; shackles; are exempted from periodical heat treatment if they are made of?

a) wrought iron

b) Mild steel

c) 0.5 % carbon steel

d) 1.5 % Manganese steel

 40)

The most important role plays in a safety that a component detaching hook is?

a) Jaws

b) Center pivot

c) Copper pin

d) D link pin

 41)

All the suspension gear should be renewed after every ............?

a) 5 years

b) 7 years

c) 10 years

d) 15 years

42)

The levels in safety catches spaced at intervals varying from?

a) 0.1 to 0.3 m

b) 0.3 to 1 m

c) 1 to 1.3 m

d) 1.3 to 2 m

43)

Retractable supports for cages used while loading and unloading being carried at the top of the shaft are?

a) Safety catches

b) bell plates

c) keeps

d) platform

ANSWERS  FOR ABOVE QUESTIONS

33)    B

34)    B

35)    A

36)     C

37)    C

38)    B

39)    D

40)    C 

41)    C

42)    B

43)     C

YouTube 

Mining Engineering 

CLICK HERE 

 Mining is like a search-and-destroy mission.

THANKING YOU 

MINING ENGINEERING 

Gujarat Mineral Research & Industrial Consultancy Society (20) Vacancy

 

Gujarat Mineral Research & Industrial Consultancy Society  (20)  Vacancy 

MINE OVERMAN

NO OF POSTS : 20

 Qualification : MINE OVERMAN/FOREMAN
OVERMAN or SECOND CLASS CERTIFICATE

 Experience : NOT NECESSARY

 Age : 45

 Job Location : MINE ACROSS GUJRAT,Gujarat

 Application Fees : NIL

 Job Type : Contractual

 Important Dates :

LAST DATE TO APPLY OFFLINE 

- 10th SEPTEMBER

SEE PDF BELOW 

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

WhatsApp Group Link

Click Here

MINING ENGINEERING 

Gujarat Mineral Research & Industrial Consultancy Society (50) Vacancy

 

Gujarat Mineral Research & Industrial Consultancy Society  (50)  Vacancy 

MINE OVERMAN

NO OF POSTS : 50

 Qualification : MINE OVERMAN/FOREMAN
OVERMAN or SECOND CLASS CERTIFICATE

 Experience : NOT NECESSARY

 Age : 45

 Job Location : MINE ACROSS GUJRAT,Gujarat

 Application Fees : NIL

 Job Type : Contractual

 Important Dates :

LAST DATE TO APPLY OFFLINE 

- 10th SEPTEMBER

SEE PDF BELOW 

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

WhatsApp Group Link

Click Here

MINING ENGINEERING 

MINING MACHINERY QUIZ (3) (23- 32) 10 Questions....! | MINING ENGINEERING

 MINING MACHINERY QUIZ (3) (23- 32) 10 Questions....! | .

MINING ENGINEERING 

MINING ENGINEERING 

Mining is like a search-and-destroy mission.

YouTube  Link 

Click Here

QUESTIONS  OF FOLLOWING (23-32) 10Q 

                             AND                           

ANSWERS  ARE BELOW THE QUESTIONS  

 23.)

 The vertical flexibility of armored chain conveyor is?

a) 3 to 4 deg

b) 2 to 3 deg

c) 1 to 2 deg

d) 4 to 5 deg

24.)

 The loading capacity of gate end loaders is?

a) 1 to 1.5 tph 

b) 2 to 4 tph

c) 5 to 7 tph 

d) 7 to 9 tph

25.)

 To slow down the tubs the device used is?

a) Runaway switch

b) Back stay

c) Hydraulic tub retarder

d) Sprags

26.)

 Snub pulleys are placed near the drive head?

a) to increase the arc of contact

b) to increase tension on the belt

c) to accommodate more belt for extension 

d) for safety

27.)

 The haulage used upto 35 hp is called ?

a) Rope haulage

b) Endless haulage

c) Tugger haulage

d) Gravity haulage

WhatsApp Group Link

Click Here

28.)

 Where the series of belt conveyors are used for transport of coal there shall be?

a) remote control

b) sequence control

c) single point control

d) multi point control

29.)

 The device used to hold the belt to run downward when the power is cutoff is?

a) Sequence control 

b) back stay 

c) remote control 

d) holdback

30.)

 Usually one motor drives a belt for a roadway of upto?

a) 100 m

b) 150 m 

c) 200 m

d) 250 m

31.)

 The speed of single chain conveyor is ?

a) 10 m/min

b) 35 m/min

c) 45 m/min

d) 60 m/min

32).

 Limiting length of scraper chain conveyor is?

a) 100 m

b) 80 m

c) 60 m

d) 40 m

ANSWERS  FOR ABOVE QUESTIONS

23)    A

24)    A

25)    D

26)     A

27)    C

28)    B

29)    D

30)    C 

31)    B

32)    A

YouTube 

Mining Engineering 

CLICK HERE 

          Mining is like a search-and-destroy mission.          

THANKING YOU 

MINING ENGINEERING