Function of pull cord in the belt conveyor system is
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Mining Engineering · all questionsMining Machinery
Mining Machinery
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Detaching hooks are used only with
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What is the main purpose of jazz rail on underground haulage track?
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If the wires in the strand and the strands in the rope are laid in opposite direction called . . . . . . . .
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A 12 tonne diesel locomotive of 60 kW is plying in an underground haulage roadway. The coefficient of adhesion is 0.25 and the maximum gear efficiency is 80%. The speed in m/s at which it will haul a train at its full power is
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According to IS specifications 1835 of 1961 neither sulphur nor phosporous content in steel for wire rope should exceed . . . . . . . . percent.
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The length of splice is nearly . . . . . . . . for 25mm diameter rope.
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Which of the following haulages is one that is situated at a lower level and empties are hoisted up the sloping track?
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The rope used for monocable aerial rope way.
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What is the track gauge for tubs of 1.1m3?
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Which of the following factor has little or no effect on the development of head?
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Clifton pulley is used in
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A two tonne mine car is released from the top of an incline at a height of 3m as shown in the figure. The mine car travels 45m along the inclined track and another 85m along the horizontal track before coming to rest. The specific rolling resistance of the, car in N/tonne is
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A wire rope, round stranded with fibre core, has a diameter of 2.54 cm. What is the mass of the rope per m length if the value of the constant k is 0.36?
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A belt conveyor conveys material of average cross-sectional area of 0.09 m2. of bulk density 1.5 tonnes/m3, at a speed 2 m/s. The carrying capacity of the belt in tonne/hr is
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Which of the following device absorbs shock of the vibrations resulting form misalignment?
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The above figure shows the duty cycle of hoist system. The system is
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Water will not be delivered by a centrifugal pump due to
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Which of the following locomotive is not recommended to be used where the coal is liable to spontaneous heating?
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Tail rope haulage is mainly used as
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