Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

101.

Autopilot on airplanes maybe colloquially referred to as __________(a) Delta(b) North(c) George(d) VortexThe question was asked in unit test.The doubt is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct ANSWER is (c) George

To explain: Autopilot on airplanes MAYBE colloquially referred to as George. The system allows us to focus on BROADER ASPECTS of operations, THEREBY reducing their workload.

102.

A two axis autopilot controls an aircraft in the pitch and yaw axis.(a) True(b) FalseI have been asked this question in semester exam.Question is from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» CORRECT answer is (b) False

For explanation: False, a two AXIS autopilot control SYSTEM is able to control the aircraft in the PITCH and the roll axis. The system receives INPUTS from radio navigation systems present onboard the aircraft.
103.

Which of the following is used on the Boeing 777?(a) General Electric AFDS-770 Autopilot Flight Director System(b) Rockwell Collins AFDS-770 Autopilot Flight Director System(c) Rolls Royce AFDS-770 Autopilot Flight Director System(d) BAE Systems AFDS-770 Autopilot Flight Director SystemThis question was posed to me in homework.The doubt is from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The CORRECT answer is (b) Rockwell Collins AFDS-770 Autopilot Flight Director System

The best EXPLANATION: The Rockwell Collins AFDS-770 Autopilot Flight Director System is used on the Boeing 777 AIRCRAFT. The flight directing system is highly advanced equipment which FEATURES HIGH end microprocessors.

104.

An autopilot controlled landing on a runway is known as a __________ landing.(a) CATII(b) CATI(c) CATIA(d) CATIIIBI have been asked this question during an interview.My question is taken from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct option is (d) CATIIIB

Easiest explanation: A LANDING which is under the control of AUTOPILOT systems may be referred to as a CAT IIIB landing. All major airports AROUND the world are capable of providing SUPPORT for such landing PROCEDURES.

105.

A single axis autopilot controls an aircraft in the __________ axis only.(a) Pitch(b) Roll(c) Yaw(d) BankThis question was posed to me in my homework.I would like to ask this question from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct answer is (b) Roll

The EXPLANATION is: A single AXIS AUTOPILOT controls an AIRCRAFT in the roll axis only. In general, there are three levels of control in autopilots for SMALLER aircraft.

106.

Autopilot is mostly an integral component of a __________(a) Fuel Quantity Indication Computer(b) Traffic Collision Avoidance System(c) Flight Management System(d) Spoiler and Elevator ComputerThe question was posed to me in an internship interview.My question is based upon Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct answer is (C) Flight Management SYSTEM

Explanation: Autopilot is mostly an integral COMPONENT of a Flight Management System. Autopilot systems exist which automate all of the flight phases, except TAXI and take-off.

107.

In CWS mode, pilot controls the autopilot through inputs on the __________(a) Yoke(b) HUD(c) HMD(d) PFDThe question was asked in an interview for internship.My query is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct choice is (a) Yoke

The EXPLANATION: When an AIRCRAFT is operating in CWS mode, the pilot HANDLES the autopilot by feeding inputs USING the yoke. Further, these inputs are then processed and in TURN converted to corresponding heading and attitude values.

108.

Which of the following category permits pilots to land with a decision height of 200 feet?(a) CAT IIIa(b) CAT II(c) CAT I(d) CAT IIIcThis question was posed to me by my school principal while I was bunking the class.This interesting question is from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct CHOICE is (c) CAT I

The best I can explain: The CAT I CATEGORY permits pilots to land with a DECISION height of 200 feet.In this category, autopilots are not required.

109.

What is the full form of SAS?(a) Stall alignment system(b) Stability alignment system(c) Stall augmentation system(d) Stability augmentation systemI got this question in an internship interview.The doubt is from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right choice is (d) STABILITY augmentation system

To elaborate: The term SAS in aviation terminology refers to the stability augmentation system. Such systems work to dampen aircraft BUFFETING without being affected by the aircrafts CURRENT ATTITUDE.

110.

Which of the following is the most common type of SAS?(a) Roll damper(b) Yaw damper(c) Pitch damper(d) Banking damperThis question was addressed to me in an international level competition.My enquiry is from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right option is (b) Yaw damper

Explanation: The yaw damper is the most COMMON TYPE of SAS. The system is used to eliminate the DUTCH roll tendency of swept wing AIRCRAFT.

111.

The MD-11 which uses a constant CWS in roll.(a) True(b) FalseThe question was posed to me in an interview.This question is from Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right answer is (a) True

Easiest explanation: True, the MD-11 which uses a constant CWS in roll. It is an aircraft that employs a form of CWS even in MANUAL mode. Further, a modern AIRBUS aircraft using FBW under NORMAL LAW is always in CWS mode.

112.

Which of the following category may also be referred to as “zero-zero”?(a) CAT IIIa(b) CAT II(c) CAT IIIb(d) CAT IIIcI have been asked this question in exam.Query is from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The CORRECT CHOICE is (d) CAT IIIc

Easy explanation: CAT IIIb category may also be referred to as “zero-zero”. It is not yet available on COMMERCIAL airliners, however may be available in the near FUTURE.

113.

The fail-operational autopilot is a __________ channel system.(a) Triple(b) Four(c) Double(d) SingleI had been asked this question in class test.My doubt stems from Aircraft Systems and Aviation in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct ANSWER is (a) Triple

Explanation: The fail-operational autopilot is a triple channel system. The system helps in automatically completing the FLARE and LANDING, in CASE of a FAILURE below alert height.

114.

CAT IIIa permits pilots to land with a decision height as low as 25 feet.(a) True(b) FalseThe question was posed to me in final exam.The above asked question is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct choice is (b) FALSE

To explain I would say: False, CAT IIIa permits PILOTS to land with a decision height as low as 50 feet. The system REQUIRES a fail-passive autopilot and an RVR of 200 METERS.

115.

The cabin pressure is regulated by the ___________ valve.(a) Outflow(b) Inflow(c) Downward(d) UpwardI have been asked this question in a national level competition.I would like to ask this question from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» RIGHT choice is (a) OUTFLOW

The explanation: The cabin pressure is regulated by the outflow valve. It is a PROCESS in which conditioned air is pumped into the cabin of an aircraft to create a safe environment for people on BOARD.
116.

The air used for pressurization is usually bled off from the engines, at the __________ stage.(a) Cryogenic(b) Compressor(c) Thermal(d) HydraulicThe question was asked in final exam.The doubt is from Aircraft Systems and Aviation in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct option is (B) Compressor

Explanation: The AIR used for pressurization is USUALLY bled off from the engines, at the compressor stage. The air is cooled, humidified, and processed with recirculated air if REQUIRED, before being DISTRIBUTED to the cabin.

117.

What is the ambient air pressure at 40,000 feet?(a) 2 bar(b) 0.2 bar(c) 20 bar(d) 0.02 barThe question was asked in semester exam.Origin of the question is Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right choice is (b) 0.2 bar

Best explanation: The ambient AIR pressure at 40,000 feet usually FALLS to 0.2 bar. At this level, oxygen MASKS are REQUIRED to maintain a minimum partial pressure of oxygen of 0.2 bar.

118.

The pressure inside the cabin is technically referred to as _________(a) Cabin bar(b) Cabin pressure(c) Cabin altitude(d) Cabin levelThe question was posed to me during an internship interview.I would like to ask this question from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct OPTION is (C) CABIN altitude

Explanation: The pressure inside the cabin is technically referred to as cabin altitude, it may also be referred to as equivalent EFFECTIVE cabin altitude.

119.

Cabin altitude of zero would indicate the pressure found at mean sea level.(a) False(b) TrueThe question was posed to me by my college director while I was bunking the class.Question is taken from Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct option is (B) True

To explain: True, the CABIN altitude of zero would indicate the pressure found at MEAN SEA level. This pressure is taken to be 101.325 kilopascals or 14.696 PSI.

120.

For private aircraft operating in the US, the crew is required to use oxygen masks if the cabin altitude stays above __________ for more than 30 minutes.(a) 12,000 feet(b) 50,000 feet(c) 25,000 feet(d) 20,000 feetThe question was posed to me in final exam.My question is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» RIGHT answer is (a) 12,000 FEET

The EXPLANATION: For private aircraft operating in the US, the crew is required to use oxygen MASKS if the cabin ALTITUDE stays above 12,000 feet for more than 30 minutes.
121.

Which of the following is the body’s most common response to hypoxia?(a) Hyperventilation(b) Hypoxia(c) Barotrauma(d) SinusI have been asked this question by my school teacher while I was bunking the class.Origin of the question is Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct choice is (a) Hyperventilation

To explain I would say: Hyperventilation is the body’s most common RESPONSE to HYPOXIA. It helps in partially restoring the partial pressure of OXYGEN in the blood. However, it also causes CO2 to out GAS.

122.

In aircrafts, the cabin altitude during flight is kept above sea level so as to reduce stress on the pressurized part of the _________(a) Engines(b) Wings(c) Fuselage(d) TailThe question was asked in an international level competition.I would like to ask this question from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct option is (c) FUSELAGE

To explain: In aircrafts, the CABIN altitude during flight is kept above SEA level so as to reduce STRESS on the pressurized PART of the fuselage. The stress is directly proportional to the difference in pressure inside and outside the aircraft cabin.

123.

What is the typical cabin altitude of the Boeing 767 when cruising at 37,000 feet?(a) 7,000 feet(b) 10,000 feet(c) 15,000 feet(d) 18,000 feetI had been asked this question in quiz.My query is from Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» CORRECT answer is (a) 7,000 feet

The EXPLANATION: The typical CABIN altitude of the Boeing 767 when CRUISING at 37,000 feet is 7,000 feet, which is approximately 2,100m. This altitude is typical for OLDER jet airliners.
124.

The compulsory maximum cabin altitude does not eliminate all physiological problems.(a) False(b) TrueThe question was posed to me in semester exam.This is a very interesting question from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct choice is (b) TRUE

To explain: True, the compulsory maximum cabin altitude does not eliminate all physiological problems. Passengers SUFFERING from COLD or other infections may STILL EXPERIENCE pain in the ears and sinuses.

125.

The cabin altitude rises gradually from the altitude of the airport of origin to a regulatory maximum of ________(a) 15,000 feet(b) 20,000 feet(c) 40,000 feet(d) 8,000 feetThis question was addressed to me during an interview for a job.My question is taken from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct choice is (d) 8,000 FEET

The explanation: The cabin altitude RISES gradually from the altitude of the airport of ORIGIN to a regulatory maximum of 8,000 feet. This altitude is reduced gradually during descent.

126.

Which of the following can provide a sea-level cabin altitude when cruising at 41,000 feet?(a) Bombardier Global Express(b) Emivest SJ30(c) Boeing 767(d) Airbus A340This question was addressed to me in exam.This interesting question is from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right option is (B) Emivest SJ30

The best EXPLANATION: The Emivest SJ30 can provide a sea-level cabin altitude when cruising at 41,000 feet. It is an American BUSINESS JET built by SyberJet Aircraft.

127.

The new FAA amendment impose an operational ceiling of ___________ on the majority of newly designed commercial aircraft.(a) 40,000 feet(b) 50,000 feet(c) 45,000 feet(d) 35,000 feetThe question was asked by my college professor while I was bunking the class.Enquiry is from Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» RIGHT option is (a) 40,000 FEET

Explanation: The NEW FAA amendment impose an operational CEILING of 40,000 feet on the majority of newly designed commercial aircraft. However, aircraft manufacturers can apply for a relaxation of this rule, if required.
128.

What is the full form of ECS?(a) Empennage control system(b) Environmental cooling system(c) Environmental control system(d) Empennage cooling systemI had been asked this question in an interview.My query is from Aircraft Systems and Aviation in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct option is (C) Environmental control SYSTEM

The EXPLANATION is: ECS REFERS to Environmental control system. It controls the pressurization of compressed AIR into the aircraft cabin.

129.

At least two engines provide compressed bleed air for the aircrafts pneumatic systems.(a) False(b) TrueI had been asked this question in examination.Query is from Aircraft Systems and Aviation in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct CHOICE is (b) True

For EXPLANATION: True, at least TWO engines provide compressed bleed air for the aircrafts pneumatic systems. This is required in order to provide full REDUNDANCY.

130.

In case of failure of cabin pressurization at altitudes above 10,000 feet, the aircraft requires an emergency descent to ________ feet.(a) 8,000(b) 1,000(c) 2,000(d) 6,000I have been asked this question in a job interview.I'm obligated to ask this question of Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct choice is (a) 8,000

For explanation I WOULD say: In case of FAILURE of cabin pressurization at altitudes above 10,000 feet, the aircraft makes an emergency DESCENT to 8,000 feet. If the aircraft does not descent to the required altitude in minimal time, it can cause a fatal situation for all PASSENGERS onboard.

131.

At 39,000 feet altitude, the cabin pressure of an aircraft would be automatically maintained at _________ feet.(a) 15,000(b) 10,300(c) 2,000(d) 6,900The question was posed to me by my school teacher while I was bunking the class.This key question is from Aircraft Systems and Aviation topic in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct option is (d) 6,900

For explanation: The CABIN pressure is automatically maintained near about 6,900 feet when the aircraft is flying at 39,000 feet. The pressure may ALSO be SPECIFIED as 79 KPA of atmosphere pressure.

132.

Which of the following was the first pressurized airliner in wide service?(a) MD-80(b) Lockheed Constellation(c) AN-124(d) Avro TudorThis question was posed to me in an interview for internship.I need to ask this question from Aircraft Systems and Aviation topic in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct OPTION is (b) LOCKHEED Constellation

Explanation: The Lockheed Constellation was the FIRST PRESSURIZED airliner in wide service. It was a four engine airliner built between 1943 and 1958.

133.

What is the full form of MSA?(a) Minimum Safe Attitude(b) Minimum Stable Altitude(c) Minimum Safe Altitude(d) Minimum Stable AttitudeI had been asked this question by my school principal while I was bunking the class.I'd like to ask this question from Aircraft Systems and Aviation topic in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» RIGHT option is (c) Minimum Safe Altitude

The explanation is: MSA REFERS to Minimum Safe Altitude. The aircraft is required to DESCEND to the MSA, in case an UNPLANNED decompression takes place.
134.

The Concorde maintained a cabin altitude of ___________(a) 6,000 feet(b) 60,000 feet(c) 2,000 feet(d) 20,000 feetThe question was posed to me during an interview.My question comes from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right CHOICE is (a) 6,000 feet

Best EXPLANATION: The Concorde maintained a cabin ALTITUDE of 6,000 feet. The aircraft had to deal with particularly HIGH pressure differentials as it flew at unusually high altitude of 60,000 feet.

135.

Boeing 307 Stratoliner was the first airliner with a pressurized cabin.(a) False(b) TrueThe question was asked by my college professor while I was bunking the class.This key question is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right answer is (b) True

The EXPLANATION: True, the BOEING 307 Stratoliner was the first airliner with a pressurized CABIN. The aircraft was BUILT in 1938 and only 10 units were PRODUCED.

136.

The spacecraft Mercury used a cabin altitude of _________ feet.(a) 35,800(b) 4,800(c) 24,800(d) 10,800I had been asked this question during an interview for a job.My question is taken from Aircraft Systems and Aviation in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» RIGHT answer is (C) 24,800

The best explanation: The spacecraft Mercury used a cabin altitude of 24,800 FEET. Further, the spacecraft’s GEMINI and Apollo used an altitude of 25,700 feet and 27,000 feet RESPECTIVELY.
137.

The selection and control of high or low bleed sources are governed by the needs of different _________ systems.(a) Mechanical(b) Hydraulic(c) Thermal(d) PneumaticI have been asked this question during an online interview.Asked question is from Aircraft Systems and Aviation topic in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right option is (d) PNEUMATIC

To explain: The selection and control of high or low BLEED sources are GOVERNED by the needs of different pneumatic systems. The process is FULLY automatic during all stages of FLIGHT.

138.

The Concorde featured smaller cabin windows than most other commercial passenger aircraft.(a) False(b) TrueThis question was addressed to me during an internship interview.My question comes from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» RIGHT choice is (b) True

The explanation: True, the CONCORDE featured smaller cabin windows than most other commercial passenger aircraft. This was done in order to slow down the RATE of decompression if a window failed.
139.

What is the full form of LNG?(a) Liquefied Natural gas(b) Light Natural Gas(c) Low Natural Gas(d) Lightning Natural GasI had been asked this question in an internship interview.Enquiry is from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct answer is (a) Liquefied Natural gas

Explanation: LPG refers to liquefied natural gas. It is one of the FUEL feedstocks that aircraft could switch to, other than conventional FOSSIL oil. For example, TURBOFANS can be operated on a number of different FUELS.

140.

Which of the following is the most important criterion in selecting an appropriate fuel to power an aircraft?(a) Cost(b) Density(c) Specific energy(d) EfficiencyThe question was posed to me in class test.My question comes from Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Correct ANSWER is (c) Specific energy

Explanation: In order to select the APPROPRIATE fuel that could be used to power an AIRCRAFT, specific energy levels are studied EXTENSIVELY and are the most important criterion for selection. Other selection criteria’s include cost, density and efficiency of the fuel.

141.

The Tupolev Tu-155 was designed to run on LNG.(a) False(b) TrueThe question was posed to me in an online interview.The question is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right choice is (b) TRUE

For explanation: True, the TUPOLEV Tu-155 was DESIGNED to run on LNG. However, low specific ENERGY of natural gas even in liquid form as compared to conventional fuels ACTS as a big disadvantage for flight applications.

142.

Which of the following tanks are used by combat aircraft, which need to discard them after use for performance reasons?(a) Tip tank(b) Internal tank(c) Drop tank(d) Attack tankI got this question in an interview for internship.Asked question is from Aircraft Systems and Aviation in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct choice is (c) Drop tank

The EXPLANATION is: Drop TANKS are used by combat aircraft, which need to discard them after use for performance REASONS. These tanks are used to extend the RANGE of an aircraft.

143.

Aviation fuel is also called as ________(a) Engine fuel(b) Jet fuel(c) Gasoline(d) Air fuelThe question was asked at a job interview.My question is taken from Aircraft Systems and Aviation topic in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct option is (B) JET FUEL

Best explanation: The term jet fuel may be used to refer aviation fuel. Such fuels are used for more critical APPLICATIONS and offer better quality and performance as COMPARED to fuels used for road transport.

144.

Jet-A fuel ignites at temperatures at or above _________(a) 49 °C(b) 100 °C(c) 31 °C(d) 75 °CThis question was addressed to me by my college professor while I was bunking the class.I want to ask this question from Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» CORRECT option is (a) 49 °C

To explain I would say: The Jet-A fuel is a mixture of PURE kerosene and IGNITES at temperatures at or above 49 °C. This CATEGORY of fuel is generally USED in modern commercial airliners.
145.

In larger aircraft, fuel tanks are also present in the __________(a) Tail(b) Fuselage(c) Nose(d) RudderI got this question in an interview for job.This question is from Aircraft Systems and Aviation topic in section Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right option is (b) Fuselage

The explanation: In larger AIRCRAFT, fuel TANKS are also present in the fuselage. The fuel load AFFECTS the center of GRAVITY of the aircraft and thus restricts the amount of fuel carried.

146.

Few single-engine aircraft use __________ probes in the fuel tanks.(a) Capacitive(b) Inductive(c) Resistive(d) RadiativeI have been asked this question during an internship interview.Enquiry is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer» CORRECT answer is (a) Capacitive

Easy explanation: Few single-engine AIRCRAFT use capacitive probes in the fuel tanks. As the fuel is burned, more air enters the fuel TANK, in turn capacitance INCREASES, and the remaining fuel is calculated and displayed to the pilots.
147.

Aviation gasoline is also referred to as __________(a) Petrol(b) Diesel(c) Avgas(d) KeroseneI got this question in an online quiz.Question is from Aircraft Systems and Aviation topic in division Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The CORRECT answer is (c) Avgas

Easy explanation: Aviation GASOLINE is also referred to as avgas. It is USED in spark ignited internal COMBUSTION engines in aircraft. It has a higher OCTANE rating than motor gasoline.

148.

Kerosene based fuel has a higher flash point as compared to gasoline-based fuel.(a) False(b) TrueThe question was posed to me in a job interview.My question comes from Aircraft Systems and Aviation topic in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right option is (B) True

Explanation: True, KEROSENE based fuel has a higher flash point as compared to gasoline-based fuel. THUS, it requires significantly higher TEMPERATURES to ignite and it fails the PURITY and quality tests for use on jet aircraft.

149.

In case of pressure refueling, fuel is pumped in at _________ kilopascals.(a) 275(b) 1,000(c) 100(d) 180I have been asked this question during an internship interview.This key question is from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

Right OPTION is (a) 275

Easy explanation: When an AIRCRAFT or vehicle is refueled by means of pressure refueling, FUEL is pumped into the vehicle at a pressure of about 275 kilopascals. The fuel is transferred via a HIGH pressure HOSE.

150.

Which of the following is referred to as the fuel selector?(a) Fuel control valve(b) Fuel pump(c) Fuel hose(d) Fuel tankThe question was asked in a job interview.I'm obligated to ask this question of Aircraft Systems and Aviation in portion Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer»

The correct answer is (a) Fuel control valve

Explanation: The fuel control valve is referred to as the fuel selector. The valve SERVES several FUNCTIONS. One such FUNCTION is to ACT as a fuel shut-off valve.