The form of splice used in ship ropes . . . . . . . .
A. Short splice
B. New splice
C. Long splice
D. None
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There is no balancing disc provided in . . . . . . . . pump.
A. Turbine
B. Reciprocating
C. Centrifugal
D. Roto
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Ratio of water and emulsion in hydraulic fluid is . . . . . . . .
A. 99 : 1
B. 95 : 5
C. 50 : 50
D. 25 : 75
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Generally the drifters are designed for drilling . . . . . . . . holes.
A. Vertical
B. Inclined
C. Horizontal
D. All of these
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A skip carries a pay load of nearly . . . . . . . . or more.
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Endless haulage system not suitable to . . . . . . . . gredients.
A. Flat
B. Mild
C. Steep
D. All of these
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The purpose of head gear is to
A. Support headgear pulleys
B. Weight of hoisting ropes
C. Guide the cape to banking level
D. None
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On observing this tendency of a rope, it is replaced.
A. Outer wives becomes loose and kinked
B. Outer wires have lost almost 3 1 rd of its diameter
C. Waveness is observed but rope remains intact
D. FOS becomes low
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The position-of the pump that includes the impellar chamber and volute diffusser . . . . . . . .
A. Volute
B. Casing
C. Impeller
D. Eye
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In this rope, strands are stitched side by side.
A. Round strand rope
B. Flat rope
C. Flattend rope
D. Locked coil rope
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The type of drill rod used for coal drilling . . . . . . . .
A. Turbine section
B. Diamond
C. Spiral
D. Concentrated tough
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In king safety hook the movable plates called . . . . . . . .
A. Inner plate
B. Middle plates
C. Outer plates
D. All of these
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Direct rope haulage can be installation needs . . . . . . . . roads.
A. Narrow
B. Wider
C. High
D. None
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The shear cuts from the coal face a slice thickness . . . . . . . . mm.
A. 450 - 650
B. 300 - 400
C. 550 - 750
D. 400 - 500
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The main methods of transport systems are . . . . . . . .
A. Rope haulage
B. Conveyor
C. Loco
D. Shuttle cars
E. All of these
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Type of rope most suitable for balancing rope in koepe winding is . . . . . . . .
A. Regularly
B. Locked coil
C. Flattend strand
D. Sprial strand
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'Tucking' the word used in . . . . . . . .
A. Capping
B. Haulage
C. Conveyor
D. Splicing
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When the impeller revolves the water is carried round by the blades and thrown off from the impeller periphery at an increased radial . . . . . . . . and . . . . . . . .
A. Temperature, Accelaration
B. Velocity, Pressure
C. Force, Density
D. Distance, Heat
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Safety catch consists basically of short livers mounted in head gear at intervals that very from . . . . . . . .
A. 0.1 to 0.2 m
B. 0.2 to 0.3 m
C. 0.3 to 1 m
D. 0.9 to 2 m
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To prevent the mine tubs falling out of the cage . . . . . . . . are provided on the floor which act against sides of the mine car.
A. Back stay
B. Monkey catch
C. Catches
D. Dog catch
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