MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Aircraft Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Consider steady climb from an altitude of 10km to 15km. If rate of climb is 20 m/s then, determine the time to climb. |
| A. | 250s |
| B. | 25 min |
| C. | 4.16 hr |
| D. | 0.07 min |
| Answer» B. 25 min | |
| 2. |
To operate at R/C of 7.08 m/s, determine the value of excess power. Consider weight of the aircraft as 13127.5 N. |
| A. | 92.942 kW |
| B. | 1000W |
| C. | 13127 N |
| D. | 1.312KN |
| Answer» B. 1000W | |
| 3. |
Which of the following is correct value for rate of climb if an aircraft has free stream velocity of 125 m/s? Consider steady climb at climb angle of 10 . |
| A. | 21.70 m/s |
| B. | 12 m |
| C. | 35 m/min |
| D. | 1.302 min/m |
| Answer» B. 12 m | |
| 4. |
Find the approximate value of velocity of best climb. Consider Thrust loading as 1.08, wing loading as 377 unit, CD0 as 0.025, K as 0.0075 and sea level density as 1.225 unit. |
| A. | 98.46 |
| B. | 37.45 |
| C. | 12.1 |
| D. | 189.982 |
| Answer» B. 37.45 | |
| 5. |
Determine the value of fuel burned during steady climb if SFC C is 0.000029 per second, thrust is 150KN and time required is 1500s. |
| A. | 6.525 KN |
| B. | 100N |
| C. | 345 |
| D. | 87.87 N |
| Answer» B. 100N | |
| 6. |
Find the approximate value of climb angle if Thrust is 1500N, drag is 1000N and weight of the aircraft is 2500N. |
| A. | 11.53 degree |
| B. | 30 degree |
| C. | 40 degree |
| D. | 1 degree |
| Answer» B. 30 degree | |
| 7. |
Determine the value of climb angle if, excess thrust is 40 unit and weight of the aircraft is 60 unit. Consider steady climb. |
| A. | 41.8 |
| B. | 50 |
| C. | 78 |
| D. | 12 |
| Answer» B. 50 | |
| 8. |
Find lift to weight ratio if climb angle is 45 . |
| A. | 0.707 |
| B. | 1 |
| C. | 1.34 |
| D. | 0.992 |
| Answer» B. 1 | |
| 9. |
Consider the vertical velocity of the aircraft is 10m/s and horizontal velocity is 12 m/s. Determine the value of climb gradient. |
| A. | 0.833 |
| B. | 1.89 |
| C. | 8 |
| D. | 2.483 |
| Answer» B. 1.89 | |
| 10. |
Which of the following is correct in terms of fate of climb (R/C)? |
| A. | R/C = excess power/weight |
| B. | R/C = lift/drag |
| C. | R/C = excess lift/drag |
| D. | R/C = excess power/Thrust required |
| Answer» B. R/C = lift/drag | |
| 11. |
Ratio of vertical distance travelled to the horizontal distance travelled is known as __________ |
| A. | climb gradient |
| B. | lift curve slope |
| C. | power required |
| D. | thrust loss |
| Answer» B. lift curve slope | |
| 12. |
What do you mean by rate of climb? |
| A. | Vertical velocity of an aircraft |
| B. | Lift of an aircraft |
| C. | Thrust required |
| D. | Drag polar |
| Answer» B. Lift of an aircraft | |