Aircraft Maintenance Mcqs - Set 5

1)   Why are flaps deflected downwards?

a. To decrease lift
b. To increase lift
c. To decrease the effective curvature of the wing
d. To increase the effective curvature of the wing
Answer  Explanation 

ANSWER: To increase the effective curvature of the wing

Explanation:
Flaps are deflected downwards to increase the effective curvature of the wing. Flaps are used during descent or take off. They are used to reduce stalling speed of an aircraft and are mostly used during low speed.

2)   Which of the following axes passes from wingtip to wingtip through an aircraft?

a. Vertical axis
b. Horizontal axis
c. Transverse axis
d. Longitudinal axis
Answer  Explanation 

ANSWER: Transverse axis

Explanation:
The transverse axis passes from wingtip to wingtip through an aircraft. It may also be called the lateral axis. Rotation along this axis is called pitch, which is controlled by elevators.

3)   Airbrakes are used to increase __________

a. Lift
b. Drag
c. Pitch
d. Thrust
Answer  Explanation 

ANSWER: Drag

Explanation:
The aircraft uses airbrakes to increase drag. The purpose of increasing drag is to slow down the aircraft. These brakes are usually surfaces that emerge out from the fuselage.

4)   The airbus A320 family does not include which of the following aircraft?

a. A318
b. A321
c. A350
d. A319
Answer  Explanation 

ANSWER: A350

Explanation:
The A350 is not a part of the A320 family of aircraft. However, A318, A319 and A321 are all part of the A320 family. The family also includes A320neo.

5)   Which of the following was the launch customer of the A320 family?

a. Air France
b. Air India
c. Lufthansa
d. British Airways
Answer  Explanation 

ANSWER: Air France

Explanation:
Air France was the launch customer of the A320 family. It was launched in March, 1984 and first flew on 22nd February 1987.

6)   When was the A318 introduced?

a. 1993
b. 1990
c. 2000
d. 2003
Answer  Explanation 

ANSWER: 2003

Explanation:
The A318 is an extended part of the A320 family. It was introduced in 2003. Other extended members of the A320 family are A319 and A321.

7)   Which of the following aircraft competes with the A320 family?

a. Douglas DC-3
b. Boeing 737
c. Boeing 777
d. Bombardier Dash 8-Q400
Answer  Explanation 

ANSWER: Boeing 737

Explanation:
The airbus A320 family competes with the Boeing 737. Both aircraft offer short to medium range flights. The family has also competed with the 717and 757.

8)   Where is the final assembly line for A320s?

a. Frankfurt, Germany
b. Texas, USA
c. Hamburg, Germany
d. Toulouse, France
Answer  Explanation 

ANSWER: Toulouse, France

Explanation:
The final assembly line for A320s is located in Toulouse, France. However, the A318s, A319s and A321s final assembly line is in Hamburg, Germany. An airbus factory in Tianjin, china also manufactures A319s, A320s and A321s.

9)   ACJ business jet is a part of the A320 family of aircrafts.

a. True
b. False
Answer  Explanation 

ANSWER: True

Explanation:
The ACJ business jet is a part of the A320 family of aircrafts. These are corporate aircrafts, manufactured in Toulouse, France. It is a narrow body aircraft and comes in four different configurations.

10)   What is the full form of NEO?

a. Neat engine option
b. New emission option
c. New engine option
d. Neat emission option
Answer  Explanation 

ANSWER: New engine option

Explanation:
NEO refers too new engine option. The A320neo was introduced in December 2010 and first flew with Lufthansa on 25 January 2016. Two new engines, with large sharklets were introduced to improve fuel efficiency.

11)   Which of the following is known as the stretched A320?

a. A321
b. A319
c. Boeing 737
d. MD-80
Answer  Explanation 

ANSWER: A321

Explanation:
The A321 is referred to as the stretched A320. It was the first derivative of the A320 and was launched in November 1988. It first flew on 11 March 1993.

12)   Which of the following is not a supplier of engines for the A320 family?

a. International Aero Engines
b. CFM International
c. Pratt & Whitney
d. General Electric
Answer  Explanation 

ANSWER: General Electric

Explanation:
General Electric does not supply engines for the A320 family of aircrafts. However, Cfm International, Pratt & Whitney and International Aero Engines all supply engines for the A320 family.

13)   Kingfisher Airlines was the first airline to take delivery of the A319.

a. True
b. False
Answer  Explanation 

ANSWER: False

Explanation:
False. Swissair was the first airline to take delivery of the A319. The aircraft was delivered to Swissair on 25 April 1996. A319 has been a popular aircraft with low cost airlines, such as EasyJet.

14)   Which of the following is the world’s first airliner with digital fly-by-wire flight control systems?

a. A330
b. A350
c. A320
d. A380
Answer  Explanation 

ANSWER: A320

Explanation:
The A320 is the world’s first airliner with digital fly-by-wire flight control systems. It is a system that replaces manual flight controls in an aircraft with electronic interface systems. The signals are transmitted through wires.

15)   Which of the following airline is the world’s largest operator of the A320 family of aircraft?

a. EasyJet
b. American Airlines
c. Indigo
d. Spicejet
Answer  Explanation 

ANSWER: American Airlines

Explanation:
American airlines is the world’s largest operator of the A320 family of aircraft. As of September 30 2017, it has 392 aircraft in service.

16)   The maiden flight of the Airbus A321 flew with which of the following engines?

a. Trent 800
b. CFM56-5B
c. Trent 900
d. IAE V2500
Answer  Explanation 

ANSWER: IAE V2500

Explanation:
The maiden flight of the Airbus A321 flew with the IAE V2500 engine. It is a turbofan engine, manufactured by International Aero Engines. The engine was certified by the FAA in 1988.

17)   How long is the A320 wing?

a. 33.91 m
b. 3.91 m
c. 63.91 m
d. 13.91 m
Answer  Explanation 

ANSWER: 33.91 m

Explanation:
The A320 wing is 33.91 m long, which is roughly 111 ft 3 in. The wings went through several phases of design before coming to this conclusion. It has a cantilevered wing offering a sweep back of 25 degrees.

18)   Which was the second airline to receive the A321, after Lufthansa?

a. Ryanair
b. Air Mauritius
c. Alitalia
d. Qatar Airways
Answer  Explanation 

ANSWER: Alitalia

Explanation:
Alitalia was the second airline to receive the A321, after Lufthansa. The aircraft was powered by CFM56-5B, an engine manufactured by CFM International and was received on 22nd March 1994.

19)   What is the full form of CEO?

a. Current emission option
b. Current engine option
c. Compact engine option
d. Compact emission option
Answer  Explanation 

ANSWER: Current engine option

Explanation:
Ceo refers to current engine option. For example, the A330 referred to as A330ceo has been replaced by the newer A330neo, which includes a new engine and other upgrades.

20)   Which of the following nations, have not placed an order for the A330 MRTT?

a. Australia
b. France
c. Sri Lanka
d. Germany
Answer  Explanation 

ANSWER: Sri Lanka

Explanation:
Sri Lanka has not placed any orders for the A330 MRTT. However, Australia, France and Germany have all placed orders for the aircraft. The aircrafts will be inducted into the respective Air Forces of each county.

21)   Which of the following aircraft was based on the A330 MRTT?

a. KC-45
b. A340
c. KC-135
d. MD-80
Answer  Explanation 

ANSWER: KC-45

Explanation:
The KC-45 aircraft was based on the A330 MRTT. The KC-45 was a proposed mid-air refueling tanker aircraft, which aimed to replace the ageing KC-135 tankers, in the U.S. Airforce.

22)   When was the A330 neo launched?

a. December 2016
b. December 2014
c. July 2016
d. July 2014
Answer  Explanation 

ANSWER: July 2014

Explanation:
The A330 neo was launched in July 2014, at the Farnborough Airshow. The aircraft offered 14% better fuel economy per seat and was powered by the newer Trent 7000 engines.

23)   Which of the following aircraft was expected to replace the A330-300?

a. A350-700
b. A350-900
c. A330neo
d. A380-800
Answer  Explanation 

ANSWER: A350-900

Explanation:
The A350-900 was expected to replace the A330-300. However, Airbus expected the A330-300 to continue selling up to 2020. The A350-900 offered long range flights with increased efficiency.

24)   A330 became the first Airbus aircraft on which Rolls-Royce supplied engines.

a. True
b. False
Answer  Explanation 

ANSWER: True

Explanation:
True, the A330 was the first airbus aircraft to have Rolls-Royce Engines. The aircraft was powered by the Trent 700. An engine, solely developed for the A330, providing 311kN of thrust.

25)   The A330 wing is swept back at __________

a. 3 degrees
b. 60 degrees
c. 30 degrees
d. 13 degrees
Answer  Explanation 

ANSWER: 30 degrees

Explanation:
The A330 wing is swept back by 30 degrees and it allows a maximum operating Mach number of 0.86. The wings also have winglets on either sides.

26)   Which of the following is not an engine choice on the A330?

a. Pratt & Whitney PW4000
b. Rolls-Royce Trent 700
c. General Electric CF6
d. Rolls-Royce Trent 800.
Answer  Explanation 

ANSWER: Rolls-Royce Trent 800.

Explanation:
The Rolls-Royce Trent 800 is not an engine choice for the A330. The Trent 800 was designed for the 777 family of aircrafts. Pratt & Whitney PW4000, Rolls-Royce Trent 700 and General Electric CF6 were the three engine options for A330.

27)   The A330-200F is a __________ aircraft.

a. Military
b. Cargo
c. Tanker
d. Commercial
Answer  Explanation 

ANSWER: Cargo

Explanation:
The A330-200F is a cargo aircraft. It is based on the A330-200 and is capable of carrying 70 tons of cargo up to 5,900km. As of February 2019, Airbus had delivered 38 of these aircrafts with four unfulfilled orders.

28)   The Beluga XL is based on the Airbus A330.

a. True
b. False
Answer  Explanation 

ANSWER: True

Explanation:
True, the Beluga XL is based on the Airbus A330. It offers 30% more space than its predecessor, the Airbus Beluga and first flew on 19 July 2018.

29)   Rolls-Royce Trent 800 engine generates a maximum thrust of __________

a. 7,100 lbf
b. 71,100 lbf
c. 710 lbf
d. 7,11,000 lbf
Answer  Explanation 

ANSWER: 71,100 lbf

Explanation:
The Rolls-Royce Trent 700 engine generates a maximum thrust of 71,100 lbf. It was designed to be used on the Airbus A330 and was certified in January 1994.

30)   General Electric CF6 is a family of __________ engines.

a. Turbofan
b. Turbojet
c. Turboprop
d. Turboshaft
Answer  Explanation 

ANSWER: Turbofan

Explanation:
The General Electric CF6 is a family of high bypass turbofan engines. The engines were replaced by the newer GEnx engines.

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