A direct rope haulage pulls 8 tubs loaded with coal through an incline of length 500 m having an inclination of 1 in 6. Consider the following additional data.
Capacity of tub = 1.0 tonne.
Tare weight of tub = 500 kg
Hauling speed = 9 km per hour
Coefficient of friction between wheel and rail = $$\frac{1}{{60}}$$
Coefficient of friction between rope and drum = $$\frac{1}{{10}}$$
Mass of rope per meter = 1.5 kg
The minimum power required to haul the tubs in kW is
A. 345.50
B. 348.60
C. 350.10
D. 365.50
E. 58.86
Answer: Option E
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Coal cutting machine ropes are . . . . . . . . wire rope core.
A. Fibre
B. Steel strand core
C. Independent wire rope
D. All
The joining of ropes is termed as . . . . . . . .
A. Rope stitching
B. Rope splicing
C. Rope Stretching
D. Rope volcanizing
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