MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Design Of Steel Structures knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the maximum vertical deflection allowed for a gantry girder where the cranes are manually operated? |
| A. | L/500 |
| B. | L/700 |
| C. | L/600 |
| D. | L/800 |
| Answer» B. L/700 | |
| 2. |
Fatigue effect for light and medium duty cranes need not be checked if |
| A. | N<sub>sc</sub> > 10 10<sup>6</sup> [(27/ <sub>mft</sub>)/ <sub>mt</sub>]. |
| B. | N<sub>sc</sub> < 5 10<sup>6</sup> [(27/ <sub>mft</sub>)/ <sub>mt</sub>]<sup>3</sup> |
| C. | N<sub>sc</sub> > 5 10<sup>6</sup> [(27/ <sub>mft</sub>)/ <sub>mt</sub>]<sup>2</sup> |
| D. | N<sub>sc</sub> < 5 10<sup>6</sup> [(27/ <sub>mft</sub>) <sub>mt</sub>]. |
| Answer» C. N<sub>sc</sub> > 5 10<sup>6</sup> [(27/ <sub>mft</sub>)/ <sub>mt</sub>]<sup>2</sup> | |
| 3. |
For gantry girders carrying hand operated cranes, the vertical forces are increased by____ for impact allowance |
| A. | 10% of maximum static wheel load |
| B. | 25% of maximum static wheel load |
| C. | 10% of weight of crab and weight lifted on the crane |
| D. | 20% of weight of crab and weight lifted on the crane |
| Answer» D. 20% of weight of crab and weight lifted on the crane | |
| 4. |
For gantry girders carrying electrically operated overhead travelling cranes, the lateral forces are increased by ____ for impact allowance. |
| A. | 10% of weight of crab and weight lifted on the crane |
| B. | 20% of weight of crab and weight lifted on the crane |
| C. | 25% of maximum static wheel load |
| D. | 50% of maximum static wheel load |
| Answer» B. 20% of weight of crab and weight lifted on the crane | |