MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Why cast iron was used in pistons earlier? |
| A. | Availability |
| B. | Cost |
| C. | Luster property |
| D. | Design feature |
| Answer» B. Cost | |
| 2. |
Why aluminum alloy pistons need more clearance? |
| A. | Free moment |
| B. | Good fixture |
| C. | Thermal expansion |
| D. | Cold start |
| Answer» D. Cold start | |
| 3. |
Cast iron pistons were used in low-speed cars, why? |
| A. | Due to inertia force |
| B. | Due to low-speed piston |
| C. | Due to momentum |
| D. | Due to centrifugal force |
| Answer» C. Due to momentum | |
| 4. |
Why aluminum alloy pistons are used in highly rated engine? |
| A. | Due to its thermal factor |
| B. | Due to its alloying element |
| C. | Due to the piston speed |
| D. | Due to circular |
| Answer» D. Due to circular | |
| 5. |
Earlier, which material was used in pistons? |
| A. | Aluminum alloy |
| B. | Cast iron |
| C. | Steel |
| D. | Brass |
| Answer» C. Steel | |
| 6. |
Which is the preferred process used in the manufacturing of pistons? |
| A. | Forging |
| B. | Casting |
| C. | Forming |
| D. | Machining |
| Answer» B. Casting | |
| 7. |
Which property of the aluminum alloy is preferred in pistons? |
| A. | Color |
| B. | Density factor |
| C. | Thermal property |
| D. | Aesthetics |
| Answer» C. Thermal property | |
| 8. |
Which of the following material is not used in the manufacturing of pistons? |
| A. | Steel |
| B. | Aluminum alloy |
| C. | Cast iron |
| D. | Mild steel |
| Answer» E. | |