MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If nominal diameter of the rope is 20mm, then pitch of the groove is around? |
| A. | 2mm |
| B. | 22mm |
| C. | 40mm |
| D. | 10mm |
| Answer» C. 40mm | |
| 2. |
Which type of rope drum is preferred? |
| A. | Drums with helical grooves |
| B. | Plain cylindrical drums |
| C. | Both are equally preferred |
| D. | None of the listed |
| Answer» B. Plain cylindrical drums | |
| 3. |
Rope operating over steel sheaves wear slowly than those used in conjunction with cast iron sheaves. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500.Number of rope wires is assumed to be 2. Number of rope wires is assumed to be 2. Calculate the total load on wire rope neglecting the bending load if weight of 50m wire is 18kg. |
| A. | 1054.55N |
| B. | 3504.55N |
| C. | 2836.84N |
| D. | 5678.6N |
| Answer» D. 5678.6N | |
| 5. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500.Number of rope wires is assumed to be 2. Number of rope wires is assumed to be 2. Calculate the weight of wire if weight of 50m wire is 18kg. Calculate the force due to acceleration. |
| A. | 1000N |
| B. | 309.144N |
| C. | 504.225N |
| D. | 102.225N |
| Answer» C. 504.225N | |
| 6. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500.Number of rope wires is assumed to be 2. Calculate the weight of wire if weight of 50m wire is 18kg. |
| A. | 19.36N |
| B. | 90.25N |
| C. | 77.70N |
| D. | 56.66N |
| Answer» D. 56.66N | |
| 7. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500. Number of wire ropes can be taken 2. Calculate the weight of material raised by each load. |
| A. | None of the listed |
| B. | 2450N |
| C. | 4900N |
| D. | 9800N |
| Answer» C. 4900N | |
| 8. |
WHICH_TYPE_OF_ROPE_DRUM_IS_PREFERRED??$ |
| A. | Drums with helical grooves |
| B. | Plain cylindrical drums |
| C. | Both are equally preferred |
| D. | None of the listed |
| Answer» B. Plain cylindrical drums | |
| 9. |
If_nominal_diameter_of_the_rope_is_20mm,_then_pitch_of_the_groove_is_around?$ |
| A. | 2mm |
| B. | 22mm |
| C. | 40mm |
| D. | 10mm |
| Answer» C. 40mm | |
| 10. |
Rope operating over steel sheaves wear slowly than those used in conjunction with cast iron sheaves? |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Small sheaves are preferred over large sheaves on what parameters? |
| A. | Increasingly centrifugal force in large sheaves |
| B. | Higher cost of small sheaves |
| C. | Preferring centrifugal force reduction even for more money |
| D. | None of the listed |
| Answer» B. Higher cost of small sheaves | |
| 12. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500.Number of rope wires is assumed to be 2. Number of rope wires is assumed to be 2. Calculate the total load on wire rope neglecting the bending load if weight of 50m wire is 18kg.$ |
| A. | 1054.55N |
| B. | 3504.55N |
| C. | 2836.84N |
| D. | 5678.6N |
| Answer» D. 5678.6N | |
| 13. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500.Number of rope wires is assumed to be 2. Calculate the weight of wire if weight of 50m wire is 18kg.$ |
| A. | 19.36N |
| B. | 90.25N |
| C. | 77.70N |
| D. | 56.66N |
| Answer» D. 56.66N | |
| 14. |
An elevator is assembled to raise equipment to a height of 22m. It is estimated that maximum weight of the material to be raised is 4.9kN. It is observed acceleration in such cases is 1.2m/s².10mm diameter wire ropes with fibre core are used. The tensile designation of the wire is 1500. Number of wire ropes can be taken 2. Calculate the weight of material raised by each load.$ |
| A. | None of the listed |
| B. | 2450N |
| C. | 4900N |
| D. | 9800N |
| Answer» C. 4900N | |
| 15. |
In design of wire ropes, bending stress is converted into an equivalent bending load which is given by [d= diameter of individual wire and D= diameter of sheave]. |
| A. | AEd/D |
| B. | 2AEd/D |
| C. | AEd/2D |
| D. | None of the listed |
| Answer» B. 2AEd/D | |
| 16. |
The wire rope is subjected to |
| A. | Tensile Stress |
| B. | Bending Stress |
| C. | Both bending and tensile stress |
| D. | None of the listed |
| Answer» D. None of the listed | |