MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
In the formula c= ( frac{(R_1)_v}{W_t} ) , what is (R1)v ? |
| A. | Point load |
| B. | Eccentric load |
| C. | UVL |
| D. | UDL |
| Answer» C. UVL | |
| 2. |
Calculate the direct compressive stress when the reaction force is 15340N and the thickness and width of the crank web are 46mm and 75mm? |
| A. | 8.43N/mm<sup>2</sup> |
| B. | 4.44N/mm<sup>2</sup> |
| C. | 5.54N/mm<sup>2</sup> |
| D. | 3.68N/mm<sup>2</sup> |
| Answer» C. 5.54N/mm<sup>2</sup> | |
| 3. |
Calculate the width of the crank web when the diameter of crankpin is 65mm? |
| A. | 57.3mm |
| B. | 74.1mm |
| C. | 63.7mm |
| D. | 80.6mm |
| Answer» C. 63.7mm | |
| 4. |
The maximum compressive stress should be less than which stress? |
| A. | Allowable tensile stress |
| B. | Allowable compressive stress |
| C. | Allowable shear stress |
| D. | Allowable bending moment |
| Answer» C. Allowable shear stress | |
| 5. |
The right-hand crank web is subjected to which stress due to radial component. |
| A. | Tensile |
| B. | Compressive |
| C. | Normal strain |
| D. | Linear stress |
| Answer» C. Normal strain | |
| 6. |
In the formula Mt=Pt r, what is Mt? |
| A. | Couple |
| B. | Bending moment |
| C. | Torsional moment |
| D. | Shear moment |
| Answer» D. Shear moment | |
| 7. |
Which are the two forces experienced by the crank pin? |
| A. | Bending and shear moment |
| B. | Two couple force |
| C. | Force and torsional moment |
| D. | Bending and torsional moment |
| Answer» E. | |
| 8. |
In the formula Pr=PqSin( + ), what is Pr? |
| A. | The radial component at crankpin |
| B. | Pressure component at crankpin |
| C. | The tangential component at crankpin |
| D. | Vector component at crankpin |
| Answer» B. Pressure component at crankpin | |
| 9. |
In the formula Pt=PqSin( + ), what is Pt? |
| A. | The pressure at crankpin |
| B. | The lateral component at crankpin |
| C. | The tangential component at crankpin |
| D. | Power at crankpin |
| Answer» D. Power at crankpin | |
| 10. |
In the formula Sin = ( frac{sin theta}{L/r} ), what is L? |
| A. | Lateral shift |
| B. | Length of connecting rod |
| C. | Linear bending |
| D. | Length of stroke |
| Answer» C. Linear bending | |
| 11. |
The relationship between and is given by? |
| A. | Sin = ( frac{sin theta}{L/r} ) |
| B. | Cos = ( frac{sin theta}{L/r} ) |
| C. | Sin = ( frac{sin theta}{L times r} ) |
| D. | Cos = ( frac{cos theta}{L/r} ) |
| Answer» B. Cos = ( frac{sin theta}{L/r} ) | |
| 12. |
What is the crank angle from the TDC position for diesel engines? |
| A. | 35 to 45 |
| B. | 25 to 35 |
| C. | 30 to 40 |
| D. | 20 to 30 |
| Answer» D. 20 to 30 | |
| 13. |
What is the crank angle from the TDC position for the petrol engine? |
| A. | 30 to 40 |
| B. | 35 to 45 |
| C. | 25 to 35 |
| D. | 20 to 30 |
| Answer» D. 20 to 30 | |
| 14. |
The maximum torque is due to which component of force on the crank pin? |
| A. | Perpendicular |
| B. | Parallel |
| C. | Concentric |
| D. | Tangential |
| Answer» E. | |