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 empirical relationship for the length of the piston when D=80mm? |
| A. | 60 t0 90mm |
| B. | 80 to 120mm |
| C. | 70 to 100mm |
| D. | 90 to 110mm |
| Answer» C. 70 to 100mm | |
| 2. |
Calculate the empirical relationship for the length of the skirt when D=80mm? |
| A. | 20 to 40mm |
| B. | 35 to 70mm |
| C. | 52 to 64mm |
| D. | 43 to 57mm |
| Answer» D. 43 to 57mm | |
| 3. |
Calculate the stroke length when side thrust is 19634.95N/mm2, Pb=0.4N/mm2 and D=250mm? |
| A. | 180.4mm |
| B. | 143.4mm |
| C. | 180.9mm |
| D. | 196.3mm |
| Answer» E. | |
| 4. |
Calculate the side thrust when =0.1, D=85mm and Pmax=4N/mm2? |
| A. | 2269.8N/mm<sup>2</sup> |
| B. | 100N/mm<sup>2</sup> |
| C. | 3264N/mm<sup>2</sup> |
| D. | 4563.4N/mm<sup>2</sup> |
| Answer» B. 100N/mm<sup>2</sup> | |
| 5. |
In the formula Side thrust=PbDLs what is the unit of ls? |
| A. | Cm |
| B. | Km |
| C. | mm |
| D. | m |
| Answer» D. m | |
| 6. |
In the formula Side thrust= (( frac{ pi D^2}{4}) )Pmax what is the unit of Pmax? |
| A. | N |
| B. | N/mm<sup>2</sup> |
| C. | N/m |
| D. | N/mm |
| Answer» C. N/m | |
| 7. |
Which of the mentioned below is the formula for calculating side thrust considering stroke length? |
| A. | Side thrust=P<sub>b</sub>DL<sub>s</sub> |
| B. | Side thrust=P<sub>b</sub>D |
| C. | Side thrust= (( frac{ pi D^2}{4}) )P<sub>max</sub> |
| D. | Side thrust= (( frac{ pi D^2}{4}) ) |
| Answer» B. Side thrust=P<sub>b</sub>D | |
| 8. |
Which of the mentioned below is the formula for calculating side thrust considering coefficient of friction? |
| A. | Side thrust=P<sub>b</sub>D |
| B. | Side thrust=P<sub>b</sub>DL<sub>s</sub> |
| C. | Side thrust= (( frac{ pi D^2}{4}) )P<sub>max</sub> |
| D. | Side thrust= (( frac{ pi D^2}{4}) )P<sub>max</sub> |
| Answer» D. Side thrust= (( frac{ pi D^2}{4}) )P<sub>max</sub> | |
| 9. |
Maximum side thrust is experienced during which stroke? |
| A. | Intake stroke |
| B. | Exhaust stroke |
| C. | Expansion stroke |
| D. | Suction stroke |
| Answer» D. Suction stroke | |
| 10. |
Which portion of the piston is known as a skirt? |
| A. | The portion above compression rings |
| B. | The portion between compression and oil rings |
| C. | The portion above the oil rings |
| D. | The portion below oil rings |
| Answer» E. | |