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 thickness of cap when σb=100N/mm2, Mb=90853.95N-mm, y=\(\frac{t_c}{2}\) and I=6.25tc3? |
| A. | 7.65mm |
| B. | 8.53mm |
| C. | 9.7mm |
| D. | 6.23mm |
| Answer» C. 9.7mm | |
| 2. |
Calculate the bending moment on the cap when (Pi)max=400N and span length is 80mm. |
| A. | 3567.9N-mm |
| B. | 4789N-mm |
| C. | 5333.3N-mm |
| D. | 6893.89N-mm |
| Answer» D. 6893.89N-mm | |
| 3. |
Calculate the inertia force where the diameter of bolts is 10mm and σt=35N/mm2? |
| A. | 5555.5N |
| B. | 6107.8N |
| C. | 6478.6N |
| D. | 5497.7N |
| Answer» E. | |
| 4. |
In the formula (Pi)max=mrω2r(1+\(\frac{1}{n_1})\) what is mr? |
| A. | Mass of reciprocating parts |
| B. | Mass of all parts |
| C. | Mass of cylinder |
| D. | Mass of crankshaft |
| Answer» B. Mass of all parts | |
| 5. |
Find the angular velocity of the crank rotating at 1200RPM? |
| A. | 100.86rad/sec |
| B. | 112.54rad/sec |
| C. | 125.65rad/sec |
| D. | 134.89rad/sec |
| Answer» D. 134.89rad/sec | |
| 6. |
Find the crank radius when the length of the stroke is 80mm? |
| A. | 10mm |
| B. | 40mm |
| C. | 30mm |
| D. | 50mm |
| Answer» C. 30mm | |
| 7. |
Calculate the mass of reciprocating parts when the mass of piston assembly is 0.6Kg and mass of the connecting rod is 0.4Kg? |
| A. | 0.73Kg |
| B. | 0.85Kg |
| C. | 0.6Kg |
| D. | 0.43Kg |
| Answer» B. 0.85Kg | |
| 8. |
Inertia force acting on the connecting rod cap is given by? |
| A. | Pi=mrω2 r(θ+\(\frac{cos2\theta}{n_1})\) |
| B. | Pi=mrω2 r(cosθ+\(\frac{sin2\theta}{n_1})\) |
| C. | Pi=mrω2 r(cosθ+\(\frac{cos2\theta}{n_1})\) |
| D. | Pi=mrω2 r(secθ+\(\frac{cos2\theta}{n_1})\) |
| Answer» D. Pi=mrω2 r(secθ+\(\frac{cos2\theta}{n_1})\) | |
| 9. |
At which position of the piston, connecting rod cap experience inertia force? |
| A. | Center |
| B. | Side dead center |
| C. | Top dead center |
| D. | Bottom dead center |
| Answer» D. Bottom dead center | |
| 10. |
Which force is experienced by the connecting rod cap? |
| A. | Gravity force |
| B. | Magnetic force |
| C. | Axial force |
| D. | Inertia force |
| Answer» E. | |