DGCA Technical General: Miscellaneous Questions
4 exam-style Miscellaneous questions for the DGCA Technical Generalpaper (CPL & ATPL). The first 4 are free below with answers and explanations — sign up free to practise all of them with progress tracking.
- Q1
489. Wing growth area during aircraft steering is possible with
- ASwept wing only
- B Rectangular wing only
- CBoth 1 & 2
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Correct answer: A. Swept wing only
Wing growth occurs on swept-wing aircraft: when the aircraft turns while taxiing, the swept-back wing tips sweep an arc wider than the wing span suggests, effectively increasing the clearance area needed. A rectangular, unswept wing does not produce this effect.
- Q2
287.What kind of sensors are used in IHUMS systems
- AAccelerometers, tachometers and magnetic pickups
- BAccelerometers, ground speed gauges and magnetic pickups
- CDeformation gauges, tachometers and magnetic pickups
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Correct answer: C. Deformation gauges, tachometers and magnetic pickups
An integrated health and usage monitoring system continuously measures structural loading, vibration and rotational speed in the rotor and transmission system, combining strain-measuring gauges with tachometers and magnetic pickups on the rotating assemblies.
- Q3
When responding to a TCAS 2 resolution advisory, the crew must respond within:
- A2.5 Seconds using g forces +-0.25g
- B5 Seconds using g forces of +- 0.25g
- C5 Seconds using g-forces of +-0.5g
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Correct answer: A. 2.5 Seconds using g forces +-0.25g
A resolution advisory demands an immediate, smooth manoeuvre flown with an acceleration of about a quarter g; revised or strengthened advisories must be followed within about 2.5 seconds. The manoeuvre is deliberately gentle so the escape can be flown without alarming passengers or overstressing the aircraft.
- Q4
What kind of sensors are used ion IHUMS Systems
- AAccelerometer, tachometers and magnetic pickups
- BAccelerometer, ground speed gauges and magnetic pickups
- CDeformation gauges, tachometers and magnetic pickups
Show answer
Correct answer: C. Deformation gauges, tachometers and magnetic pickups
An integrated health and usage monitoring system builds its picture of the rotor and transmission condition from sensors measuring structural strain, rotational speed and shaft passing frequency: deformation gauges, tachometers and magnetic pickups. Their combined data allows vibration trends and usage exceedances to be logged for maintenance action.
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