Q.1
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
Q.2
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
Q.3
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
Q.4
Consider the vertical velocity of the aircraft is 10m/s and horizontal velocity ism/s. Determine the value of climb gradient.
  • a) 0.833
  • b) 1.89
  • c) 8
  • d) 2.483
Q.5
Find lift to weight ratio if climb angle is 45°.
  • a) 0.707
  • b) 1
  • c) 1.34
  • d) 0.992
Q.6
Determine the value of climb angle if, excess thrust isunit and weight of the aircraft isunit. Consider steady climb.
  • a) 41.8
  • b) 50
  • c) 78
  • d) 12
Q.7
Find the approximate value of climb angle if Thrust is 1500N, drag isand weight of the aircraft is 2500N.
  • a) 11.53 degree
  • b) 30 degree
  • c) 40 degree
  • d) 1 degree
Q.8
Determine the value of fuel burned during steady climb if SFC C is 0.per second, thrust is 150KN and time required is 1500s.
  • a) 6.525 KN
  • b) 100N
  • c) 345
  • d) 87.87 N
Q.9
Find the approximate value of velocity of best climb. Consider Thrust loading as 1.wing loading asunit, CD0 as 0.K as 0.and sea level density as 1.unit.
  • a) 98.46
  • b) 37.45
  • c) 12.1
  • d) 189.982
Q.10
Which of the following is correct value for rate of climb if an aircraft has free stream velocity ofm/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
Q.11
To operate at R/C of 7.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
Q.12
Consider steady climb from an altitude of 10km to 15km. If rate of climb ism/s then, determine the time to climb.
  • a) 250s
  • b) 25 min
  • c) 4.16 hr
  • d) 0.07 min
0 h : 0 m : 1 s