Aircraft Performance Questions and Answers – Climb and Descent Performance with Mixed Power Plants

This set of Aircraft Performance Multiple Choice Questions & Answers (MCQs) focuses on “Climb and Descent Performance with Mixed Power Plants”.

1. Which of the following is the correct performance equation for mixed power-plants?
a) E_maxsinγ₂=\(\Big[\frac{\lambda}{u}+\tau \Big]-\frac{1}{2}[u^2+u^{-2}]\)
b) E_maxsinγ₂=\(\Big[\frac{\lambda}{u}-\tau \Big]-\frac{1}{2}[u^2-u^{-2}]\)
c) E_maxsinγ₂=\(\Big[\frac{\lambda}{u}+\tau \Big]-\frac{1}{2}[u^2-u^{-2}]\)
d) E_maxsinγ₂=\(\Big[\frac{\lambda}{u}-\tau \Big]-\frac{1}{2}[u^2+u^{-2}]\)
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2. The best gradient of climb is attained at _____________
a) airspeed below maximum drag speed
b) airspeed below maximum power speed
c) airspeed below minimum power speed
d) airspeed below minimum drag speed
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3. The best rate of climb is attained at _____________
a) airspeed above maximum drag speed
b) airspeed above maximum power speed
c) airspeed above minimum power speed
d) airspeed above minimum drag speed
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4. At which speed the maximum rate of climb occurs?
a) u=0.76
b) u=0.98
c) u=1
d) u=2
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5. The rate of climb of an aircraft is measured by _______
a) variometer
b) altimeter
c) pitot-static prob
d) gyroscope
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6. The advanced ratio is given by _______________
a) J=\(\frac{D}{nV}\)
b) J=\(\frac{nV}{D}\)
c) J=\(\frac{V}{nD}\)
d) J=\(\frac{n}{VD}\)
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7. What is the use of partial climbs?
a) It is used for calculating climb rate
b) It is used for calculating gradient of climb
c) It is used for calculating speed
d) It is used for calculating velocity
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8. The partial climb is best suitable for power-producing engines.
a) True
b) False
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9. Level accelerated is best suitable for thrust producing engines.
a) True
b) False
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10. There is an alternative method to calculate climb rate and gradient.
a) True
b) False
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Sanfoundry Global Education & Learning Series – Aircraft Performance.

To practice all areas of Aircraft Performance, here is complete set of 1000+ Multiple Choice Questions and Answers.

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