41. One of the conveyor system haulage is . . . . . . . .
42. In which endless haulage the screw clip can be employed . . . . . . . .
43. A device that attaches to rotating shaft and converts the energy of motion, into the fluid to be punped.
44. There are two ranging drum at each end of the machine, known as
45. The speed of high speed plough . . . . . . . . m/min.
46. A centrifugal pump rotating at 500 rpm delivers 70 m3/s of water. If the speed is reduced to 200 rpm, the quantity of water delivered in m3/s will be
47. The example for equal lay rope is . . . . . . . .
48. Turbine pump carries . . . . . . . . disc.
49. A strand with flexible core is more . . . . . . . .
50. The formula for finding mass of rope whose K is constant.
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