Home/Volume-3/Wire ropes and their Attachments Volume-3 Wire ropes and their Attachments Admin03/08/20240 101 Less than a minute Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% Wire ropes and their Attachments Wire ropes and their Attachments 1 / 39 1. The ratio between breaking load and total suspended rope is called? Fill factor Factor of safety Capacity factor Bending factor 2 / 39 2. The ropes used for dragline are? Locked coil Regular lay Lang's lay Flattened strand 3 / 39 3. The space factor for stranded rope is? 30 to 40 % 40 to 50 % 50 to 60 % 75% 4 / 39 4. In reliance capel the tapping of wedge is? 1 in 5 1 in 10 1 in 15 1 in 20 5 / 39 5. The type of rope most suitable for balancing rope in Koepe winding is? Regular lay Locked coil Flattened strand Spiral strand 6 / 39 6. The space factor for locked coil rope is? 30 to 40 % 40 to 50 % 50 to 60 % 75% 7 / 39 7. A number of concentrically twisted wires laid in the form of a helix round a central steel wire is known as? Lang's lay Ordinary lay Strand Locked coil 8 / 39 8. The length of splice for 13 mm dia rope is? 2 to 3m 4 to 5 m 6 to 9 m 10 to 15 m 9 / 39 9. The ultimate strength of the wires for haulage or winding is....kgf/sq.mm? 160 100 200 400 10 / 39 10. The wire ropes required to be used in wet shafts are? Non-rusting type Galvanised Bronze Stainless steel 11 / 39 11. If the diameter of a wire is 'D' then the diameter of the simple round stranded rope is? 6D 8D 10D 12D 12 / 39 12. In socketing the rope length under clips is nearly.....times the diameter? 10 20 30 40 13 / 39 13. No rope should be allowed to remain in use after the wires have lost their diameter by? 10% 20% 30% 40% 14 / 39 14. Example of non-stranded rope is? Performed rope Equal lay ropes Regular lay Locked coil ropes 15 / 39 15. Most commonly used capel for rope haulage is? Split capel Coned socket Interlocking wedge type Bent back wire cone socket 16 / 39 16. Internal stresses of the rope can be relieved with the use of? Normalising the wire Annealing the wire Performed wire Washington pattern 17 / 39 17. In which test is the steel wire subjected to stretching force until it breaks? Tension test Torsion test Bending test Wrapping test 18 / 39 18. The length of splice for 25 mm dia rope is? 2 to 3m 4 to 5 m 6 to 9 m 10 to 15 m 19 / 39 19. The ratio between drum diameter to the rope diameter is called? Fill factor Factor of safety Capacity factor Bending factor 20 / 39 20. The wires spiral round the core in the same direction as the threads of left hand screw are called? Non-stranded Stranded Right hand ropes Left hand ropes 21 / 39 21. The jaws of the reliance capel are about ...times rope diameter in length? 30 24 12 15 22 / 39 22. If the wires in the strand and the strands in the rope are laid in the opposite direction is called? Lang's lay Ordinary lay Right hand Locked coil 23 / 39 23. The ropes which undergo frequent movement or coiling often with varying loads are called? Non-stranded Stranded Standing Running 24 / 39 24. The method of joining two wire ropes permanently without using special fittings or attachments is called? Splicing Socketing Performing None 25 / 39 25. In preparation of cone socket type capel the white metal should not be heated more than? 100 deg C 200 deg C 365 deg C 450 deg C 26 / 39 26. The capacity of the rope to resist the kinetic shock is roughly? Proportional to Dia of rope Inversely Proportional to Dia of rope Proportional to length Inversely proportional to length 27 / 39 27. The ropes used for CCM are? Locked coil Regular lay Lang's lay Flattened strand 28 / 39 28. The ropes used for guide ropes are? Locked coil Regular lay Lang's lay Flattened strand 29 / 39 29. In coned socket type capel the metal poured is? Gunmetal Brass Whitemetal Babbit metal 30 / 39 30. By the process of normalising? Tensile strength of rope increases Tensile strength of steel rod increases The steel rod is drawn into wires The impurities in the steel rod are removed 31 / 39 31. In deep mines as a safety the capacity of the rope to resist kinetic shock is proportional to? Length of rope Diameter of rope Strength of rope Square of length 32 / 39 32. For winding purpose the locked coil ropes are preferred because? Offers greater resistance Had greater fill factor Permits high factor of safety Can't be spliced 33 / 39 33. The ropes used for winding; haulage; coal cutting machine are the example of? Non-stranded Stranded Standing Running 34 / 39 34. If the wires in the strand and the strands in the rope are laid in the same direction is called? Lang's lay Ordinary lay Right hand Locked coil 35 / 39 35. The wire ropes which offer better wearing surface and more resistance to bending fatigue are called? Lang's lay Ordinary lay Right hand Locked coil 36 / 39 36. Guy ropes; guide ropes are the example of? Standing ropes Running ropes Non-stranded ropes Stranded ropes 37 / 39 37. Example of equal lay ropes is? Flattened strand Performed Warrington pattern None 38 / 39 38. The ropes required to carry the burden or load but more or less stationary is called? Non-stranded Stranded Standing Running 39 / 39 39. The ropes used for winding are? Locked coil Regular lay Lang's lay Flattened strand Your score is The average score is 47% LinkedIn Facebook Twitter 0% Admin03/08/20240 101 Less than a minute
