European Union Aviation
Safety Agency Part-66
Basic Knowledge
Examination – Module 14:
Propulsion Exam
,QUESTIONS 2650
Question 1
A work record concerns “Torque measurement systems, shaft power calculations, and
power indicators”. Which focus most directly fits this entry?
A. Speed and Torque Indication
B. Pressure and Flow Measurement
C. Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring systems.
D. Electric/Electronic Engine Indication Systems
Correct Answer: A
Full Explanation: “Speed and Torque Indication” includes “Torque measurement systems, shaft
power calculations, and power indicators”. The details of the entry identify this as the most direct
focus. The other choices name “Pressure and Flow Measurement”, “Electric/Electronic Engine
Indication Systems” and “Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT)
measuring systems”, which do not describe this particular entry as closely. Select the area that
addresses the stated work rather than a different part of the overall job.
Question 2
The following cases must be kept distinct. Case 1: “Fixed-pitch, adjustable-pitch,
constant-speed, feathering, and reversing propellers”; Case 2: “Thermocouple types,
material selection, compensating leads, reference junctions, indicators, and thermal
warning circuits”; Case 3: “Induction, supercharging/turbocharging, fuel metering
systems, lubrication, and cooling systems”. Which ordered set of work areas matches
the cases?
A. 1: Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring
systems.; 2: Propeller Types and Construction; 3: Piston Engines
B. 1: Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring
systems.; 2: Piston Engines; 3: Propeller Types and Construction
C. 1: Propeller Types and Construction; 2: Exhaust Gas Temperature (EGT) and Interstage Turbine
Temperature (ITT) measuring systems.; 3: Piston Engines
D. 1: Piston Engines; 2: Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT)
measuring systems.; 3: Propeller Types and Construction
Correct Answer: C
Full Explanation: Case 1 fits “Propeller Types and Construction” because it concerns “Fixed-pitch,
adjustable-pitch, constant-speed, feathering, and reversing propellers”. Case 2 fits “Exhaust Gas
Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring systems” because it
concerns “Thermocouple types, material selection, compensating leads, reference junctions,
indicators, and thermal warning circuits”. Case 3 fits “Piston Engines” because it concerns
“Induction, supercharging/turbocharging, fuel metering systems, lubrication, and cooling systems”.
The correct answer preserves every case-to-focus relationship. The other orders place at least one
concern under a different focus; no order of operations is being inferred.
2
,QUESTIONS 2650
Question 3
The following cases must be kept distinct. Case 1: “Engine performance parameters,
thrust calculation formulas, thermodynamic cycles, and operational efficiency
factors”; Case 2: “Electric starters, starter-generators, and pneumatic starting
systems (air turbine starters)”; Case 3: “Engine rotational speed indicators (N”. Which
ordered set of work areas matches the cases?
A. 1: Turbine Engines; 2: Starting Systems; 3: Speed and Torque Indication
B. 1: Starting Systems; 2: Speed and Torque Indication; 3: Turbine Engines
C. 1: Speed and Torque Indication; 2: Starting Systems; 3: Turbine Engines
D. 1: Speed and Torque Indication; 2: Turbine Engines; 3: Starting Systems
Correct Answer: A
Full Explanation: Case 1 fits “Turbine Engines” because it concerns “Engine performance
parameters, thrust calculation formulas, thermodynamic cycles, and operational efficiency factors”.
Case 2 fits “Starting Systems” because it concerns “Electric starters, starter-generators, and
pneumatic starting systems (air turbine starters)”. Case 3 fits “Speed and Torque Indication”
because it concerns “Engine rotational speed indicators (N”. The correct answer preserves every
case-to-focus relationship. The other orders place at least one concern under a different focus; no
order of operations is being inferred.
Question 4
A work record headed “Pressure and Flow Measurement” currently contains “Electric
starters, starter-generators, and pneumatic starting systems (air turbine starters)”.
Which replacement entry would best align the record with its stated focus?
A. Electric starters, starter-generators, and pneumatic starting systems (air turbine starters)
B. High-energy ignition systems, capacitor discharge units, ignition exciters, igniter plugs, and
shielded ignition leads
C. Thermocouple types, material selection, compensating leads, reference junctions, indicators,
and thermal warning circuits
D. Oil pressure, fuel pressure, fuel flow meters, and manifold pressure measurement devices
Correct Answer: D
Full Explanation: “Oil pressure, fuel pressure, fuel flow meters, and manifold pressure
measurement devices” directly addresses “Pressure and Flow Measurement”. The existing entry,
“Electric starters, starter-generators, and pneumatic starting systems (air turbine starters)”, is more
directly associated with “Starting Systems”. Replacing it with another unrelated entry would not
resolve the focus mismatch. The correction must restore the connection between the heading and
the work actually being described.
3
, QUESTIONS 2650
Question 5
Three work notes have been assigned focus labels. Note 1: “Constructional
arrangement and operation of turbojet, turbofan, turboshaft, and turbopropeller
engines” → “Electric/Electronic Engine Indication Systems”; Note 2: “Sensor inputs,
computer processing units, fuel metering control units, throttle management, and
fault-tolerance/reversionary modes” → “Electronic Engine Control (EEC) and Full
Authority Digital Engine Control (FADEC) architecture”; Note 3: “Temperature
Monitoring” → “Turbine Engines”. Which single correction restores all three
relationships?
A. Exchange the focus labels of notes 1 and 3
B. Exchange the focus labels of notes 1 and 2
C. Exchange the focus labels of notes 2 and 3
D. Leave all three focus labels unchanged
Correct Answer: A
Full Explanation: The labels on notes 1 and 3 have been exchanged. “Turbine Engines” includes
“Constructional arrangement and operation of turbojet, turbofan, turboshaft, and turbopropeller
engines”; “Electric/Electronic Engine Indication Systems” includes “Temperature Monitoring”.
Exchanging those two labels restores both connections and leaves the already-correct third note
intact. Swapping either with the third note would introduce a new error, while leaving the labels
unchanged preserves the two misclassifications.
Question 6
An entry about “Oil pressure, fuel pressure, fuel flow meters, and manifold pressure
measurement devices” was filed under “Display Integration”. Which heading would
provide the most direct correction?
A. Display Integration
B. Pressure and Flow Measurement
C. Ignition Systems
D. Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring systems.
Correct Answer: B
Full Explanation: The entry describes “Oil pressure, fuel pressure, fuel flow meters, and manifold
pressure measurement devices”, an aspect of “Pressure and Flow Measurement”. Moving the entry
to that heading corrects its classification without changing the work described. The original heading
refers to “Display Integration”; retaining it would leave the mismatch unresolved. The remaining
headings also fail to identify the entry's most direct focus.
4
Safety Agency Part-66
Basic Knowledge
Examination – Module 14:
Propulsion Exam
,QUESTIONS 2650
Question 1
A work record concerns “Torque measurement systems, shaft power calculations, and
power indicators”. Which focus most directly fits this entry?
A. Speed and Torque Indication
B. Pressure and Flow Measurement
C. Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring systems.
D. Electric/Electronic Engine Indication Systems
Correct Answer: A
Full Explanation: “Speed and Torque Indication” includes “Torque measurement systems, shaft
power calculations, and power indicators”. The details of the entry identify this as the most direct
focus. The other choices name “Pressure and Flow Measurement”, “Electric/Electronic Engine
Indication Systems” and “Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT)
measuring systems”, which do not describe this particular entry as closely. Select the area that
addresses the stated work rather than a different part of the overall job.
Question 2
The following cases must be kept distinct. Case 1: “Fixed-pitch, adjustable-pitch,
constant-speed, feathering, and reversing propellers”; Case 2: “Thermocouple types,
material selection, compensating leads, reference junctions, indicators, and thermal
warning circuits”; Case 3: “Induction, supercharging/turbocharging, fuel metering
systems, lubrication, and cooling systems”. Which ordered set of work areas matches
the cases?
A. 1: Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring
systems.; 2: Propeller Types and Construction; 3: Piston Engines
B. 1: Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring
systems.; 2: Piston Engines; 3: Propeller Types and Construction
C. 1: Propeller Types and Construction; 2: Exhaust Gas Temperature (EGT) and Interstage Turbine
Temperature (ITT) measuring systems.; 3: Piston Engines
D. 1: Piston Engines; 2: Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT)
measuring systems.; 3: Propeller Types and Construction
Correct Answer: C
Full Explanation: Case 1 fits “Propeller Types and Construction” because it concerns “Fixed-pitch,
adjustable-pitch, constant-speed, feathering, and reversing propellers”. Case 2 fits “Exhaust Gas
Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring systems” because it
concerns “Thermocouple types, material selection, compensating leads, reference junctions,
indicators, and thermal warning circuits”. Case 3 fits “Piston Engines” because it concerns
“Induction, supercharging/turbocharging, fuel metering systems, lubrication, and cooling systems”.
The correct answer preserves every case-to-focus relationship. The other orders place at least one
concern under a different focus; no order of operations is being inferred.
2
,QUESTIONS 2650
Question 3
The following cases must be kept distinct. Case 1: “Engine performance parameters,
thrust calculation formulas, thermodynamic cycles, and operational efficiency
factors”; Case 2: “Electric starters, starter-generators, and pneumatic starting
systems (air turbine starters)”; Case 3: “Engine rotational speed indicators (N”. Which
ordered set of work areas matches the cases?
A. 1: Turbine Engines; 2: Starting Systems; 3: Speed and Torque Indication
B. 1: Starting Systems; 2: Speed and Torque Indication; 3: Turbine Engines
C. 1: Speed and Torque Indication; 2: Starting Systems; 3: Turbine Engines
D. 1: Speed and Torque Indication; 2: Turbine Engines; 3: Starting Systems
Correct Answer: A
Full Explanation: Case 1 fits “Turbine Engines” because it concerns “Engine performance
parameters, thrust calculation formulas, thermodynamic cycles, and operational efficiency factors”.
Case 2 fits “Starting Systems” because it concerns “Electric starters, starter-generators, and
pneumatic starting systems (air turbine starters)”. Case 3 fits “Speed and Torque Indication”
because it concerns “Engine rotational speed indicators (N”. The correct answer preserves every
case-to-focus relationship. The other orders place at least one concern under a different focus; no
order of operations is being inferred.
Question 4
A work record headed “Pressure and Flow Measurement” currently contains “Electric
starters, starter-generators, and pneumatic starting systems (air turbine starters)”.
Which replacement entry would best align the record with its stated focus?
A. Electric starters, starter-generators, and pneumatic starting systems (air turbine starters)
B. High-energy ignition systems, capacitor discharge units, ignition exciters, igniter plugs, and
shielded ignition leads
C. Thermocouple types, material selection, compensating leads, reference junctions, indicators,
and thermal warning circuits
D. Oil pressure, fuel pressure, fuel flow meters, and manifold pressure measurement devices
Correct Answer: D
Full Explanation: “Oil pressure, fuel pressure, fuel flow meters, and manifold pressure
measurement devices” directly addresses “Pressure and Flow Measurement”. The existing entry,
“Electric starters, starter-generators, and pneumatic starting systems (air turbine starters)”, is more
directly associated with “Starting Systems”. Replacing it with another unrelated entry would not
resolve the focus mismatch. The correction must restore the connection between the heading and
the work actually being described.
3
, QUESTIONS 2650
Question 5
Three work notes have been assigned focus labels. Note 1: “Constructional
arrangement and operation of turbojet, turbofan, turboshaft, and turbopropeller
engines” → “Electric/Electronic Engine Indication Systems”; Note 2: “Sensor inputs,
computer processing units, fuel metering control units, throttle management, and
fault-tolerance/reversionary modes” → “Electronic Engine Control (EEC) and Full
Authority Digital Engine Control (FADEC) architecture”; Note 3: “Temperature
Monitoring” → “Turbine Engines”. Which single correction restores all three
relationships?
A. Exchange the focus labels of notes 1 and 3
B. Exchange the focus labels of notes 1 and 2
C. Exchange the focus labels of notes 2 and 3
D. Leave all three focus labels unchanged
Correct Answer: A
Full Explanation: The labels on notes 1 and 3 have been exchanged. “Turbine Engines” includes
“Constructional arrangement and operation of turbojet, turbofan, turboshaft, and turbopropeller
engines”; “Electric/Electronic Engine Indication Systems” includes “Temperature Monitoring”.
Exchanging those two labels restores both connections and leaves the already-correct third note
intact. Swapping either with the third note would introduce a new error, while leaving the labels
unchanged preserves the two misclassifications.
Question 6
An entry about “Oil pressure, fuel pressure, fuel flow meters, and manifold pressure
measurement devices” was filed under “Display Integration”. Which heading would
provide the most direct correction?
A. Display Integration
B. Pressure and Flow Measurement
C. Ignition Systems
D. Exhaust Gas Temperature (EGT) and Interstage Turbine Temperature (ITT) measuring systems.
Correct Answer: B
Full Explanation: The entry describes “Oil pressure, fuel pressure, fuel flow meters, and manifold
pressure measurement devices”, an aspect of “Pressure and Flow Measurement”. Moving the entry
to that heading corrects its classification without changing the work described. The original heading
refers to “Display Integration”; retaining it would leave the mismatch unresolved. The remaining
headings also fail to identify the entry's most direct focus.
4
