MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Components Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the diameter of the circular end of the rocker, when d=15mm? |
| A. | 40mm |
| B. | 30mm |
| C. | 45mm |
| D. | 7.5mm |
| Answer» C. 45mm | |
| 2. |
Which of the mentioned below is the formula to calculate uniformly distributed load between the pin and the roller? |
| A. | Z=\(\frac{l_2}{4}\) |
| B. | Z=\(\frac{l_2}{4}\) |
| C. | x=\(\frac{l_2}{6}\) |
| D. | x=l2 |
| Answer» C. x=\(\frac{l_2}{6}\) | |
| 3. |
Which of the mentioned below is the formula to calculate the triangular distribution of the load between the pin and the eye? |
| A. | x=\(\frac{l_2}{4}\) |
| B. | x=\(\frac{l_2}{6}\) |
| C. | x=\(\frac{l_2}{3}\) |
| D. | x=l2 |
| Answer» C. x=\(\frac{l_2}{3}\) | |
| 4. |
Which of the mentioned below is the formula to calculate the outer diameter of the eye? |
| A. | D2=d2 |
| B. | D2=2d2+2A2 |
| C. | D2=2d2 |
| D. | A2=2d2+2 |
| Answer» D. A2=2d2+2 | |
| 5. |
Which of the mentioned below is the formula to calculate the thickness of each eye? |
| A. | t=\(\frac{l+h}{2}\) |
| B. | t=\(\frac{V}{2}\) |
| C. | t=\(\frac{l+v}{2}\) |
| D. | t=\(\frac{l}{2}\) |
| Answer» E. | |
| 6. |
In the cross-section of the rocker arm, the bending moment is maximum at what point? |
| A. | Centre of the pivot |
| B. | Centre of gravity |
| C. | Centre of mass |
| D. | Centre of mass and pivot |
| Answer» B. Centre of gravity | |
| 7. |
The maximum force exerted by the valve will determine which force on the rocker arm? |
| A. | Torsional moment |
| B. | Tangential moment |
| C. | Bending moment |
| D. | Both torsional and tangential moment |
| Answer» D. Both torsional and tangential moment | |
| 8. |
The force on which valve is less compared to others? |
| A. | Non-return |
| B. | Inlet |
| C. | Ports |
| D. | Exhaust |
| Answer» C. Ports | |
| 9. |
In a four-stroke engine, which valve is heavily loaded? |
| A. | Exhaust |
| B. | Inlet |
| C. | Non-return |
| D. | One way |
| Answer» B. Inlet | |
| 10. |
Which of the mentioned below is not the material of rocker arm? |
| A. | Grey-cast iron |
| B. | Malleable cast iron |
| C. | Chromium alloy |
| D. | Cast steel |
| Answer» D. Cast steel | |
| 11. |
To reduce the weight and inertia force of the rocker arm, which cross-section is used? |
| A. | V-section |
| B. | L-section |
| C. | I-section |
| D. | T-section |
| Answer» D. T-section | |
| 12. |
What is the basic function of the rocker arm, concerning the motion of the cam and follower? |
| A. | Only opening inlet and exhaust valve |
| B. | Open and close the inlet and exhaust ports |
| C. | Only closing inlet and exhaust valve |
| D. | Open or close the inlet or exhaust valve |
| Answer» E. | |