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. |
Low-speed engines have which cross-section? |
| A. | Rectangular-section |
| B. | Circular-section |
| C. | Square-section |
| D. | Triangular-section |
| Answer» C. Square-section | |
| 2. |
Most connecting rods in high-speed engines have which cross-section? |
| A. | T-section |
| B. | Square |
| C. | I-section |
| D. | C- section |
| Answer» D. C- section | |
| 3. |
In low-speed engines, L/r ratio varies from? |
| A. | 2 |
| B. | 5 to 7 |
| C. | 3 |
| D. | 4 to 5 |
| Answer» E. | |
| 4. |
Calculate the diameter of crankpin when Pc=42951.46, lc=1.1dp and (pb)c=8.5? |
| A. | 67.78mm |
| B. | 77.65mm |
| C. | 57.23mm |
| D. | 47.54mm |
| Answer» B. 77.65mm | |
| 5. |
In the formula Pc=dclc(pb)c, what is the unit of lc? |
| A. | m |
| B. | km |
| C. | mm |
| D. | N-mm |
| Answer» D. N-mm | |
| 6. |
Calculate the diameter of the piston pin when Pc=42951.46, lp=1.8dp, and (pb)p=14? |
| A. | 35.88mm |
| B. | 41.28mm |
| C. | 45.89mm |
| D. | 39.33mm |
| Answer» C. 45.89mm | |
| 7. |
In the formula Pc=dplp(pb)p what is dp? |
| A. | Inner Diameter of the bush |
| B. | Outer Diameter of the bush |
| C. | Inner Diameter of the bore |
| D. | Outer Diameter of the bore |
| Answer» B. Outer Diameter of the bush | |
| 8. |
What is the l/d ratio for the crank pin? |
| A. | 1 to 2.5 |
| B. | 1.5 to 1.9 |
| C. | 1.25 to 1.5 |
| D. | 1.67 to 1.9 |
| Answer» D. 1.67 to 1.9 | |
| 9. |
Using which process piston pin bearing is manufactured? |
| A. | Forming |
| B. | Forging |
| C. | Casting |
| D. | Machining |
| Answer» D. Machining | |
| 10. |
Which material is used in piston pin bearing? |
| A. | Nickel-chromium |
| B. | Silver |
| C. | Iron |
| D. | Phosphor bronze |
| Answer» E. | |