MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 width of the ring groove when h=5mm? |
| A. | 3 to 5.8mm |
| B. | 3.75 to 5mm |
| C. | 4 to 5.9mm |
| D. | 4.7 to 5.2mm |
| Answer» C. 4 to 5.9mm | |
| 2. |
Calculate the distance from the top of the piston to the first ring grove when th=7mm? |
| A. | 8.5 to 10mm |
| B. | 7.5 to 9mm |
| C. | 7 to 8.4mm |
| D. | 8 to 9.4mm |
| Answer» D. 8 to 9.4mm | |
| 3. |
What is the gap between the free ends of the ring after assembly when D=80mm? |
| A. | 0.7 to 0.43mm |
| B. | 0.11 to 0.25mm |
| C. | 0.1 to 1.9mm |
| D. | 0.16 to 0.32mm |
| Answer» E. | |
| 4. |
What is the gap between the free ends of the ring before assembly when b=6mm? |
| A. | 21 to 24mm |
| B. | 20 to 23mm |
| C. | 22 to 23mm |
| D. | 21 to 25mm |
| Answer» B. 20 to 23mm | |
| 5. |
Which type of piston rings are preferred in an engine? |
| A. | Oversized rings |
| B. | Undersized rings |
| C. | Thin rings |
| D. | Thick rings |
| Answer» D. Thick rings | |
| 6. |
Calculate the thickness of the piston barrel at the lower end when t3=13mm? |
| A. | 4.5 to 5mm |
| B. | 3.25 to 4.55mm |
| C. | 5.6 to 7mm |
| D. | 2.25 to 4.6mm |
| Answer» C. 5.6 to 7mm | |
| 7. |
Calculate the thickness of the piston barrel at the top end, when D=80mm and b=7.5mm? |
| A. | 14.8mm |
| B. | 15.6mm |
| C. | 13.7mm |
| D. | 16.6mm |
| Answer» B. 15.6mm | |
| 8. |
In the formula t3=(0.03D+b+4.9) what is the unit of b? |
| A. | m |
| B. | m |
| C. | mm |
| D. | mm<sup>2</sup> |
| Answer» D. mm<sup>2</sup> | |
| 9. |
Which of the mentioned below is the formula for calculating the thickness of the piston barrel at the top end? |
| A. | t<sub>4</sub>=(0.03D+b+4.9) |
| B. | t<sub>4</sub>=0.03D+b+6.9) |
| C. | t<sub>3</sub>=(0.03D+b+4.9) |
| D. | t<sub>3</sub>=0.03D+t<sub>4</sub>+4.9) |
| Answer» D. t<sub>3</sub>=0.03D+t<sub>4</sub>+4.9) | |
| 10. |
Where can we see the piston barrel in the piston? |
| A. | Above the piston head |
| B. | Below piston ring |
| C. | Below the wrist pin |
| D. | Below the piston head |
| Answer» E. | |