Technical General Quiz - Competitive Exams DGCA_Pilot

Free practice quiz: Technical General (Competitive Exams DGCA_Pilot). 73 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This Competitive Exams DGCA_Pilot practice quiz has 73 multiple-choice questions on Technical General. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Which flight instrument operates on the principle of gyroscopic rigidity in space and precession to indicate aircraft attitude relative to the horizon?

   1. Vertical Speed Indicator
   2. Airspeed Indicator
   3. Attitude Indicator
   4. Altimeter
   Show answer

   Answer: C. Attitude Indicator

2. Which instrument works on the principle that the pressure of a fluid decreases as its velocity increases?

   1. Gyroscopic horizon
   2. Turn coordinator
   3. Pitot-static system
   4. Magnetic compass
   Show answer

   Answer: C. Pitot-static system

3. What is the primary function of a fuel injector nozzle in a gas turbine engine?

   1. To filter contaminants from the fuel
   2. To measure the fuel flow rate for the FCU
   3. To pressurize the fuel to the required injection pressure
   4. To atomize the fuel into a fine spray for efficient combustion
   Show answer

   Answer: D. To atomize the fuel into a fine spray for efficient combustion

4. What is the primary purpose of a surge tank in a gas turbine engine fuel system?

   1. To filter fuel before it enters the fuel control unit
   2. To cool the fuel returning to the tank
   3. To provide a reserve of fuel during negative-g manoeuvres
   4. To increase fuel pressure to the engine
   Show answer

   Answer: C. To provide a reserve of fuel during negative-g manoeuvres

5. What is the purpose of a stall warning system in an aircraft?

   1. To deploy flaps automatically during a stall
   2. To increase engine power during a stall
   3. To automatically recover the aircraft from a stall
   4. To alert the pilot when the aircraft is approaching a stall angle of attack
   Show answer

   Answer: D. To alert the pilot when the aircraft is approaching a stall angle of attack

More questions in this quiz

Answers and explanations are in the full quiz.

1. In a piston engine, what is the primary purpose of the carburetor heat system?
2. What is the significance of the critical Mach number (MCRIT) for an aircraft?
3. Which type of combustion chamber in a gas turbine engine is characterized by a single, large, continuous annular flame?
4. The primary function of a hydraulic system fuse in an aircraft is to:
5. What is the primary purpose of using a constant-speed propeller?
6. In an aircraft electrical system, what does the term 'bus bar' refer to?
7. Which of the following best describes the purpose of a vortex generator on an aircraft wing?
8. The term 'aspect ratio' of a wing is defined as:
9. What is the primary advantage of a turbofan engine over a turbojet engine for commercial transport aircraft?
10. In a pressurised aircraft, what is the purpose of the outflow valve?
11. Which of the following is a primary flight control?
12. What does the term 'adverse yaw' refer to in an aircraft?
13. The function of a turbine nozzle guide vanes in a gas turbine engine is to:
14. What is the primary purpose of a shear web in an aircraft wing structure?
15. In an air cycle air conditioning system, what is the function of the expansion turbine?
16. What is the main purpose of a fire detection loop in an aircraft engine nacelle?
17. Which of the following materials is most commonly used for aircraft brake discs due to its high heat capacity and strength?
18. What is the purpose of a servo tab on a flight control surface?
19. The term 'compass swing' refers to:
20. What is the primary function of a fuel control unit (FCU) in a gas turbine engine?
21. In aircraft structure, what is a 'fatigue crack'?
22. What is the purpose of a bleed air valve in a pneumatic system?
23. In a gas turbine engine, what is the primary function of the combustor liner?
24. Which ice protection system uses a rubber boot that inflates and deflates to break ice off the leading edge?
25. What is the function of a spring tab in an aircraft flight control system?
26. In a piston engine, what does the term 'valve overlap' refer to?
27. Which of the following is the primary purpose of an anti-balance tab on a flight control surface?
28. In an aircraft hydraulic system, what is the purpose of an accumulator?
29. What is the effect of a forward center of gravity on an aircraft's stall speed?
30. Which of the following best describes the purpose of a chip detector in a gas turbine engine?
31. What is the primary function of a deicing boot on an aircraft wing?
32. In a gas turbine engine, what is the purpose of the variable inlet guide vanes (VIGV)?
33. What is the function of a shimmy damper on an aircraft nose landing gear?
34. Which of the following is a primary function of the compressor in a gas turbine engine?
35. What is the primary purpose of a static discharger on an aircraft?
36. In an aircraft reciprocating engine, what is the purpose of the exhaust gas temperature (EGT) gauge?
37. What is the main function of a turbine blade in a gas turbine engine?
38. Which of the following best describes the term 'mach tuck'?
39. What is the purpose of a fuel strainer in an aircraft fuel system?
40. In an aircraft, what is the function of a torque tube in a flight control system?
41. Which of the following is the correct sequence of events in a four-stroke piston engine?
42. What is the function of a breather tube in an aircraft reciprocating engine?
43. In a gas turbine engine, what is the purpose of the exhaust cone?
44. What is the primary purpose of a bonding jumper in an aircraft electrical system?
45. Which of the following is a function of the oil cooler bypass valve in an aircraft engine?
46. In a jet engine, which type of compressor allows air to flow axially through the engine while utilizing both rotating and stationary blades?
47. What is the primary purpose of an afterburner in a turbojet engine?
48. In aircraft structures, which fuselage design uses the skin to carry the primary loads and does not rely on internal trusses or frames?
49. What is the main function of a bypass ratio in a turbofan engine?
50. What is the purpose of a fuel-oil heat exchanger in a turbine engine?
51. Which material is commonly used for turbine blades in gas turbine engines due to its high strength at elevated temperatures?
52. In an aircraft pneumatic system, what is the primary function of a pressure regulator?
53. What is the function of a fuel booster pump in an aircraft fuel system?
54. Which type of landing gear is designed to retract into the fuselage or wing and is common on high-speed aircraft?
55. In a piston engine, what is the purpose of the propeller governor?
56. Which component in a gas turbine engine is responsible for converting kinetic energy of the exhaust gases into mechanical energy to drive the compressor?
57. What is the primary purpose of a fuel manifold in a turbine engine?
58. In an aircraft electrical system, what is the function of a circuit breaker?
59. Which of the following is a characteristic of a semi-monocoque fuselage structure?
60. What is the purpose of a thrust reverser on a jet engine?

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