MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If service factor is 1.4 & tangential ad dynamic load is 1180N and 1500N respectively, then calculate the effective load. |
| A. | 3662N |
| B. | 2889N |
| C. | 3152N |
| D. | 2236N |
| Answer» D. 2236N | |
| 2. |
Calculate the wear strength for a pair of bevel gears having face width=20mm, module=5mm, No of teeth on pinion and gear 25 and 40 respectively and PCD of pinion=75mm. |
| A. | 3668.5N |
| B. | 4884.5N |
| C. | 5126.6N |
| D. | 4117.3N |
| Answer» C. 5126.6N | |
| 3. |
If surface hardness for a par of bevel gears is 400BHN, then material constant is |
| A. | 3N/mm² |
| B. | 2.56N/mm² |
| C. | 0.98N/mm² |
| D. | 1.44N/mm² |
| Answer» C. 0.98N/mm² | |
| 4. |
Calculate the ratio factor Q if a pair of bevel gear consist of 25 teeth pinion meshing with a 40 teeth gear. |
| A. | 1.964 |
| B. | 1.438 |
| C. | 1.554 |
| D. | 0.998 |
| Answer» C. 1.554 | |
| 5. |
If velocity is 5m/s, then velocity factor for generated teeth is |
| A. | 0.71 |
| B. | 1.1 |
| C. | 0.9 |
| D. | 1.71 |
| Answer» B. 1.1 | |
| 6. |
CALCULATE_THE_RATIO_FACTOR_Q_IF_A_PAIR_OF_BEVEL_GEAR_CONSIST_OF_25_TEETH_PINION_MESHING_WITH_A_40_TEETH_GEAR.?$ |
| A. | 1.964 |
| B. | 1.438 |
| C. | 1.554 |
| D. | 0.998 |
| Answer» C. 1.554 | |
| 7. |
Calculate the wear strength for a pair of bevel gears having face width=20mm, module=5mm, No of teeth on pinion and gear 25 and 40 respectively and PCD of pinion=75mm.$ |
| A. | 3668.5N |
| B. | 4884.5N |
| C. | 5126.6N |
| D. | 4117.3N |
| Answer» C. 5126.6N | |
| 8. |
If_surface_hardness_for_a_par_of_bevel_gears_is_400BHN,_then_material_constant_is$ |
| A. | 3N/mm² |
| B. | 2.56N/mm² |
| C. | 0.98N/mm² |
| D. | 1.44N/mm² |
| Answer» C. 0.98N/mm¬¨¬®‚Äö√¢¬ß | |
| 9. |
If_service_factor_is_1.4_&_tangential_ad_dynamic_load_is_1180N_and_1500N_respectively,_then_calculate_the_effective_load. |
| A. | 3662N |
| B. | 2889N |
| C. | 3152N |
| D. | 2236N |
| Answer» D. 2236N | |
| 10. |
If velocity is 5m/s, then velocity factor for generated teeth i? |
| A. | 0.71 |
| B. | 1.1 |
| C. | 0.9 |
| D. | 1.71 |
| Answer» B. 1.1 | |
| 11. |
If velocity is 5m/s, then velocity factor for a cut teeth is |
| A. | 0.55 |
| B. | 0.66 |
| C. | 1.55 |
| D. | 1.66 |
| Answer» B. 0.66 | |
| 12. |
The wear strength indicates the maximum value of radial force at the large end of the tooth that the tooth can transmit without pitting failure. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
If back cone distance is 10mm, then pitch circle diameter of the formative pinion is given by? |
| A. | 10mm |
| B. | 20mm |
| C. | 5mm |
| D. | 10‚àö2 mm |
| Answer» C. 5mm | |
| 14. |
Wear strength of the bevel gear can be calculated by using ________ equation. |
| A. | Buckingham |
| B. | Lewis |
| C. | Newtonian |
| D. | Rayleigh |
| Answer» B. Lewis | |
| 15. |
Beam strength indicates the maximum value of the ___________ force at the large end of the tooth that the tooth can transmit without bending. |
| A. | Tangential |
| B. | Radial |
| C. | Axial |
| D. | None of the listed |
| Answer» B. Radial | |
| 16. |
Beam strength of the bevel gear is independent of the cone distance. |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
Lewis equation is used to obtain ____ strength of bevel gears. |
| A. | Beam |
| B. | Abrasive |
| C. | Wear |
| D. | Corrosive |
| Answer» B. Abrasive | |