Mechanical Handling Transport Loading Equipment Mid - I, September - 2014

1.Which one of the following is a mechanical loader ?
  • Gathering arm loader
  • belt
  • Ropes
  • Tracks
Answer: A
2.The loaders used for the ease in flitting, compactness, and suitability to work on gradients upto 1 in 5
  • Duck bill
  • slusher
  • Gathering arm
  • flight
Answer: C
3.Which of the following is a principle unit of gathering arm loader ?
  • mine car
  • gathering head
  • tub
  • conveyor
Answer: B
4.The rate of loading of gathering arm loader varies with models, and commonly used models are for ................. capacities.
  • 6 te/min to 10 te/min
  • 1 te/min to 4 te/min
  • 16 te/min to 18 te/min
  • 100 te/min to 200 te/min
Answer: B
5..............................is related to the rate of loading of gathering arms
  • conveyor speed
  • mine track
  • Rope speed
  • Winder speed
Answer: A
6.Conveyor in gathering arm loader can be raised or lowered through a vertical range of
  • 0.4 to 0.6 m
  • 10 to 12 m
  • 0.6 to 0.9 m
  • 0.1 to 0.3 m
Answer: C
7.Which of the following comes under rope haulage ?
  • Endless rope haulage
  • Belt conveyor
  • Gate end loader
  • Mobile Stage Loader
Answer: A
8.Which of the following is a locomotive haulage ?
  • Diesel locomotive
  • Direct rope haulage
  • Belt conveyor
  • Gate end loader
Answer: A
9.Direct rope haulages contains
  • Two haulage drums and one pulling rope
  • one haulage drum and one pulling rope
  • both a and b
  • None of these
Answer: B
10.Which of the following Underground transport equipment is used in flat gradients?
  • Load Haul Dumper
  • Side Discharge Loader
  • Belt Conveyor
  • None of these
Answer: A
11................................ are commonly used where face operations are mechanised in board & pillar method of working.
Answer: Gathering arm loaders
12.Gathering arm loaders are worked in ................................ gradients.
Answer: 1 in 5
13.The ............................................ shovel is uncommon for coal for drifting and is common in metalliferous mines.
Answer: Front end loading
14........................................... is the transporting medium in gathering arm loaders.
Answer: Chain conveyor
15.The gathering arms are operated by ..................................................
Answer: Twin crank discs
16.The rate of loading of gathering arm loader depends upon the........................................... per minute.
Answer: Number of strokes
17.................................. is the dominating mode of transport in Indian coal mines though belt and chain conveyors were introduced on a large scale.
Answer: Rope haulage
18.The gathering haulage arrangement is that which operates between the ............................... and main loading points.
Answer: Working faces
19.Direct rope haulages are used for hauling tubs which are generally steeper than .................. gradients.
Answer: 1 in 10
20.LHD stands for ....................................................................
Answer: Load Haul Dumper