MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A/An ______ is used for turning a nut or for holding bolt head while the nut is being screwed on or off the bolt. |
| A. | washer |
| B. | spanner |
| C. | screw |
| D. | bolt |
| Answer» C. screw | |
| 2. |
In the assembly design of shaft, pulley and key the weakest member is |
| A. | Pulley |
| B. | Key |
| C. | Shaft |
| D. | None |
| Answer» C. Shaft | |
| 3. |
In designing a shaft, hub and key for a system, weakest member taken is |
| A. | Shaft |
| B. | Hub |
| C. | Key |
| D. | all are equally strong |
| Answer» D. all are equally strong | |
| 4. |
In flange coupling, bolt pitch circle diameter is selected as, (d = shaft diameter) |
| A. | 2d |
| B. | 3d |
| C. | 4d |
| D. | 5d |
| Answer» C. 4d | |
| 5. |
In case of saddle key, power is transmitted by means of |
| A. | Friction force |
| B. | Shear resistance of key |
| C. | Torsional resistance of key |
| D. | Tensile force |
| Answer» B. Shear resistance of key | |
| 6. |
In a turn buckle joint, both mating rods will have |
| A. | Right-hand threads |
| B. | Left-hand threads |
| C. | Right hand and left-hand threads |
| D. | Multiple threads |
| Answer» D. Multiple threads | |
| 7. |
A cotter joint is used to connect two rods which are in |
| A. | Tension only |
| B. | Compression only |
| C. | Tension and Compression only |
| D. | Shear only |
| Answer» D. Shear only | |
| 8. |
In a cotter joint, the width of the cotter at the center is 5 cm, while its thickness is 1.2 cm. The load acting on the cotter is 60 kN. The shear stress developed in the cotter is |
| A. | 50 N/mm2 |
| B. | 100 N/mm2 |
| C. | 220 N/mm2 |
| D. | 200 N/mm2 |
| Answer» B. 100 N/mm2 | |