MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 any cross section is subjected to direct tensile stress and bending stress, then find the dimension of cross section. Given length & breadth are t and 2t respectively. F=25kN acts on the top fibre of the cross section, M=F x t . Also maximum allowable tensile stress =100N/mm². |
| A. | 25.5mm |
| B. | 30.2mm |
| C. | 27.55mm |
| D. | None of the mentioned |
| Answer» B. 30.2mm | |
| 2. |
If knuckle joint is to fail by crushing failure of pin in fork, then determine the diameter of knuckle pin when 50kN axial tensile force act on rods. Given: Max allowable compressive stress=25N/mm², thickness of each eye of fork=25mm. |
| A. | 40mm |
| B. | 50mm |
| C. | 60mm |
| D. | 70mm |
| Answer» B. 50mm | |
| 3. |
Calculate the diameter of pin from shear consideration with maximum shear stress allowed is 40NN/mm² and an axial tensile force of 50kN is acting on the rod. |
| A. | 39mm |
| B. | 44mm |
| C. | 49mm |
| D. | 52mm |
| Answer» B. 44mm | |
| 4. |
Knuckle Joint can’t be used to connect two intersecting rods. |
| A. | Yes |
| B. | No, it can’t be used |
| C. | It can be used with some modificatios |
| D. | It is expensive and hence isn’t used |
| Answer» C. It can be used with some modificatios | |
| 5. |
A_KNUCKLE_JOINT_CAN_BE_USED_IN_VALVE_MECHANISM_OF_A_RECIPROCATING_ENGINE.?$ |
| A. | Yes |
| B. | No |
| C. | Yes but there are stress probles |
| D. | No as it is very dangerous to use |
| Answer» B. No | |
| 6. |
If any cross section is subjected to direct tensile stress and bending stress, then find the dimension of cross section. Given length & breadth are t and 2t respectively. F=25kN acts on the top fibre of the cross section, M=F x t . Also maximum allowable tensile stress =100N/mm²?# |
| A. | 25.5mm |
| B. | 30.2mm |
| C. | 27.55mm |
| D. | None of the mentioned |
| Answer» B. 30.2mm | |
| 7. |
If knuckle joint is to fail by crushing failure of pin in fork, then determine the diameter of knuckle pin when 50kN axial tensile force act on rods. Given: Max allowable compressive stress=25N/mm², thickness of each eye of fork=25mm.$ |
| A. | 40mm |
| B. | 50mm |
| C. | 60mm |
| D. | 70mm |
| Answer» B. 50mm | |
| 8. |
Calculate the diameter of pin from shear consideration with maximum shear stress allowed is 40NN/mm² and an axial tensile force of 50kN is acting on the rod.$ |
| A. | 39mm |
| B. | 44mm |
| C. | 49mm |
| D. | 52mm |
| Answer» B. 44mm | |
| 9. |
Which of the following are important parts of knuckle joint? |
| A. | Eye |
| B. | Pin |
| C. | Fork |
| D. | Each of the mentioned |
| Answer» E. | |
| 10. |
A knuckle joint is also called socket pin joint. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
A maximum of how many roads may be connected using a knuckle joint? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 12. |
A knuckle joint is unsuitable for two rotating shafts, which transmit torque |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Knuckle Joint can’t be used to connect two intersecting rods. |
| A. | Yes |
| B. | No, it can’t be used |
| C. | It can be used with some modificatios |
| D. | It is expensive and hence isn’t used |
| Answer» C. It can be used with some modificatios | |