Knowledge Examination ? Module 14:
Propulsion
,1. During a pre-task planning review, which action best addresses a concern involving Maintenance safety, preservation, inspection and ground-run precautions
with emphasis on boundaries and? Case EB-2785-0001: 4 checks are complete, 2 item(s) remain open, 4 supporting record(s) are available, the last review
was 15 hour(s) ago, and the current result differs from the prior baseline by 10 unit(s).
A. Continue the activity until the scheduled break, then review the safety concern.
B. Record the hazard after completion but do not interrupt the current operation.
C. Protect personnel and equipment, stabilize the immediate condition related to Maintenance safety, preservation, inspection and ground-run precautions with
emphasis on, follow the approved response procedure, and document/escalate remaining risk.
D. Move the affected personnel closer to the task so they can observe the condition directly.
Correct Answer: C
Explanation: The best answer verifies Maintenance safety, preservation, inspection and ground-run precautions with emphasis against current requirements
and evidence before acceptance. With 2 open item(s), 4 supporting record(s), and a 10-unit change from baseline, a traceable foundational decision should
resolve the discrepancy rather than defer, bypass, or redefine the control.
2. During a pre-task planning review, which action best addresses a concern involving Engine operating cycles, efficiency and performance variables for
defensible calculations and documentation in? Case EB-2785-0002: 2 checks are complete, 3 item(s) remain open, 1 supporting record(s) are available, the
last review was 4 hour(s) ago, and the current result differs from the prior baseline by 8 unit(s).
A. Average the conflicting results and accept the midpoint without checking the source data.
B. Select the most favorable result from repeated calculations without investigating the variation.
C. Ignore unit or assumption differences if the final number appears reasonable.
D. Recheck the inputs, units, assumptions, and limits for Engine operating cycles, efficiency and performance variables for defensible calculations; recalculate
independently and document the verified result before proceeding.
Correct Answer: D
Explanation: The best answer verifies Engine operating cycles, efficiency and performance variables for defensible against current requirements and evidence
before acceptance. With 3 open item(s), 1 supporting record(s), and a 8-unit change from baseline, a traceable foundational decision should resolve the
discrepancy rather than defer, bypass, or redefine the control.
3. During a pre-task planning review, which action best addresses a concern involving Intake, compression, combustion, turbine and exhaust functions
including recognition of abnormal or noncompliant? Case EB-2785-0003: 9 checks are complete, 4 item(s) remain open, 5 supporting record(s) are available,
the last review was 17 hour(s) ago, and the current result differs from the prior baseline by 6 unit(s).
A. Rely on an experienced colleague's verbal assurance instead of obtaining objective evidence.
B. Treat the issue as administrative and continue while the evidence remains unresolved.
C. Verify the current requirement and objective evidence for Intake, compression, combustion, turbine and exhaust functions including recognition of, resolve
the discrepancy, and document the basis for proceeding.
D. Repeat only the final step without checking the underlying inputs, conditions, or controls.
Correct Answer: C
Explanation: The best answer verifies Intake, compression, combustion, turbine and exhaust functions including recognition of against current requirements and
evidence before acceptance. With 4 open item(s), 5 supporting record(s), and a 6-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
4. During a pre-task planning review, which action best addresses a concern involving Piston, valve, ignition, induction, lubrication and cooling systems to
support reliable, ethical aircraft propulsion? Case EB-2785-0004: 7 checks are complete, 1 item(s) remain open, 2 supporting record(s) are available, the last
review was 6 hour(s) ago, and the current result differs from the prior baseline by 4 unit(s).
A. Change the acceptance criterion to match the observed condition without formal approval.
B. Continue using the previous accepted result because the earlier review was satisfactory.
C. Treat the issue as administrative and continue while the evidence remains unresolved.
D. Verify the current requirement and objective evidence for Piston, valve, ignition, induction, lubrication and cooling systems to support reliable, resolve the
discrepancy, and document the basis for proceeding.
Correct Answer: D
Explanation: The best answer verifies Piston, valve, ignition, induction, lubrication and cooling systems to support against current requirements and evidence
before acceptance. With 1 open item(s), 2 supporting record(s), and a 4-unit change from baseline, a traceable foundational decision should resolve the
discrepancy rather than defer, bypass, or redefine the control.
5. During a pre-task planning review, which action best addresses a concern involving Propeller geometry, pitch control, governing and aerodynamic loads
integrated across the tasks expected in aircraft? Case EB-2785-0005: 5 checks are complete, 2 item(s) remain open, 6 supporting record(s) are available, the
last review was 19 hour(s) ago, and the current result differs from the prior baseline by 2 unit(s).
A. Select the most favorable result from repeated calculations without investigating the variation.
B. Recheck the inputs, units, assumptions, and limits for Propeller geometry, pitch control, governing and aerodynamic loads integrated across the; recalculate
independently and document the verified result before proceeding.
C. Average the conflicting results and accept the midpoint without checking the source data.
D. Use the previous calculation unchanged even though one or more current inputs have changed.
Correct Answer: B
Explanation: The best answer verifies Propeller geometry, pitch control, governing and aerodynamic loads integrated across against current requirements and
evidence before acceptance. With 2 open item(s), 6 supporting record(s), and a 2-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
Austro Control GmbH Part-66 Basic Knowledge Examination ? Module 14: Propulsion
Page 2
,6. During a pre-task planning review, which action best addresses a concern involving Fuel metering, engine control and starting sequences within the aircraft
propulsion? Case EB-2785-0006: 3 checks are complete, 3 item(s) remain open, 3 supporting record(s) are available, the last review was 8 hour(s) ago, and
the current result differs from the prior baseline by 19 unit(s).
A. Proceed using an estimate even though the approved method and current inputs are available.
B. Recheck the inputs, units, assumptions, and limits for Fuel metering, engine control and starting sequences within the aircraft propulsion; recalculate
independently and document the verified result before proceeding.
C. Adjust an input until the result falls within the target range, then record only the final value.
D. Average the conflicting results and accept the midpoint without checking the source data.
Correct Answer: B
Explanation: The best answer verifies Fuel metering, engine control and starting sequences within the aircraft propulsion against current requirements and
evidence before acceptance. With 3 open item(s), 3 supporting record(s), and a 19-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
7. During a pre-task planning review, which action best addresses a concern involving Instrument indications, operating limitations and trend monitoring as
applied to aircraft propulsion? Case EB-2785-0007: 10 checks are complete, 4 item(s) remain open, 7 supporting record(s) are available, the last review was 21
hour(s) ago, and the current result differs from the prior baseline by 17 unit(s).
A. Accept the result if it matches the expected outcome, even when a control check is invalid.
B. Ignore equipment or environmental checks when the operator is experienced with the method.
C. Change the test sensitivity or acceptance limit without authorization to reduce false indications.
D. Verify the procedure, equipment status, environmental conditions, and acceptance criteria for Instrument indications, operating limitations and trend
monitoring as applied to aircraft; repeat or confirm the test only after controls are valid.
Correct Answer: D
Explanation: The best answer verifies Instrument indications, operating limitations and trend monitoring as applied to against current requirements and
evidence before acceptance. With 4 open item(s), 7 supporting record(s), and a 17-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
8. During a pre-task planning review, which action best addresses a concern involving Navigation, charts, radio aids, flight planning, fuel and alternate
requirements with decisions and evidence? Case EB-2785-0008: 8 checks are complete, 1 item(s) remain open, 4 supporting record(s) are available, the last
review was 10 hour(s) ago, and the current result differs from the prior baseline by 15 unit(s).
A. Average the conflicting results and accept the midpoint without checking the source data.
B. Select the most favorable result from repeated calculations without investigating the variation.
C. Ignore unit or assumption differences if the final number appears reasonable.
D. Recheck the inputs, units, assumptions, and limits for Navigation, charts, radio aids, flight planning, fuel and alternate requirements with; recalculate
independently and document the verified result before proceeding.
Correct Answer: D
Explanation: The best answer verifies Navigation, charts, radio aids, flight planning, fuel and alternate requirements with against current requirements and
evidence before acceptance. With 1 open item(s), 4 supporting record(s), and a 15-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
9. During a pre-task planning review, which action best addresses a concern involving Human performance, workload, fatigue, situational awareness and threat
management for safe, accurate work in? Case EB-2785-0009: 6 checks are complete, 2 item(s) remain open, 1 supporting record(s) are available, the last
review was 23 hour(s) ago, and the current result differs from the prior baseline by 13 unit(s).
A. Recheck the inputs, units, assumptions, and limits for Human performance, workload, fatigue, situational awareness and threat management for safe;
recalculate independently and document the verified result before proceeding.
B. Adjust an input until the result falls within the target range, then record only the final value.
C. Proceed using an estimate even though the approved method and current inputs are available.
D. Select the most favorable result from repeated calculations without investigating the variation.
Correct Answer: A
Explanation: The best answer verifies Human performance, workload, fatigue, situational awareness and threat management for against current requirements
and evidence before acceptance. With 2 open item(s), 1 supporting record(s), and a 13-unit change from baseline, a traceable foundational decision should
resolve the discrepancy rather than defer, bypass, or redefine the control.
10. During a pre-task planning review, which action best addresses a concern involving Entry-level terminology, component recognition and safe completion of
routine tasks through realistic aircraft? Case EB-2785-0010: 4 checks are complete, 3 item(s) remain open, 5 supporting record(s) are available, the last review
was 12 hour(s) ago, and the current result differs from the prior baseline by 11 unit(s).
A. Change the acceptance criterion to match the observed condition without formal approval.
B. Continue using the previous accepted result because the earlier review was satisfactory.
C. Verify the current requirement and objective evidence for Entry-level terminology, component recognition and safe completion of routine tasks through,
resolve the discrepancy, and document the basis for proceeding.
D. Treat the issue as administrative and continue while the evidence remains unresolved.
Correct Answer: C
Explanation: The best answer verifies Entry-level terminology, component recognition and safe completion of routine tasks against current requirements and
evidence before acceptance. With 3 open item(s), 5 supporting record(s), and a 11-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
Austro Control GmbH Part-66 Basic Knowledge Examination ? Module 14: Propulsion
Page 3
, 11. A reviewer finds conflicting evidence about Maintenance safety, preservation, inspection and ground-run precautions with emphasis on boundaries and
during a pre-task planning review. What should happen first? Case EB-2785-0011: 2 checks are complete, 4 item(s) remain open, 2 supporting record(s) are
available, the last review was 1 hour(s) ago, and the current result differs from the prior baseline by 9 unit(s).
A. Restart as soon as the immediate symptom disappears without verifying the required safeguards.
B. Stop or control the affected activity, assess the hazard associated with Maintenance safety, preservation, inspection and ground-run precautions with
emphasis on, apply the approved safeguard, and verify conditions before restarting.
C. Move the affected personnel closer to the task so they can observe the condition directly.
D. Bypass the protective control temporarily so the task can be completed on time.
Correct Answer: B
Explanation: The best answer verifies Maintenance safety, preservation, inspection and ground-run precautions with emphasis against current requirements
and evidence before acceptance. With 4 open item(s), 2 supporting record(s), and a 9-unit change from baseline, a traceable foundational decision should
resolve the discrepancy rather than defer, bypass, or redefine the control.
12. A reviewer finds conflicting evidence about Engine operating cycles, efficiency and performance variables for defensible calculations and documentation in
during a pre-task planning review. What should happen first? Case EB-2785-0012: 9 checks are complete, 1 item(s) remain open, 6 supporting record(s) are
available, the last review was 14 hour(s) ago, and the current result differs from the prior baseline by 7 unit(s).
A. Confirm source data and allowable limits for Engine operating cycles, efficiency and performance variables for defensible calculations, repeat the calculation
with an independent check, and resolve any difference before acceptance.
B. Use the previous calculation unchanged even though one or more current inputs have changed.
C. Ignore unit or assumption differences if the final number appears reasonable.
D. Adjust an input until the result falls within the target range, then record only the final value.
Correct Answer: A
Explanation: The best answer verifies Engine operating cycles, efficiency and performance variables for defensible against current requirements and evidence
before acceptance. With 1 open item(s), 6 supporting record(s), and a 7-unit change from baseline, a traceable foundational decision should resolve the
discrepancy rather than defer, bypass, or redefine the control.
13. A reviewer finds conflicting evidence about Intake, compression, combustion, turbine and exhaust functions including recognition of abnormal or
noncompliant during a pre-task planning review. What should happen first? Case EB-2785-0013: 7 checks are complete, 2 item(s) remain open, 3 supporting
record(s) are available, the last review was 3 hour(s) ago, and the current result differs from the prior baseline by 5 unit(s).
A. Defer the unresolved point until the task is complete and document it retrospectively.
B. Repeat only the final step without checking the underlying inputs, conditions, or controls.
C. Change the acceptance criterion to match the observed condition without formal approval.
D. Pause acceptance, compare Intake, compression, combustion, turbine and exhaust functions including recognition of with the approved criteria, investigate
the variance, and retain a traceable decision record.
Correct Answer: D
Explanation: The best answer verifies Intake, compression, combustion, turbine and exhaust functions including recognition of against current requirements and
evidence before acceptance. With 2 open item(s), 3 supporting record(s), and a 5-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
14. A reviewer finds conflicting evidence about Piston, valve, ignition, induction, lubrication and cooling systems to support reliable, ethical aircraft propulsion
during a pre-task planning review. What should happen first? Case EB-2785-0014: 5 checks are complete, 3 item(s) remain open, 7 supporting record(s) are
available, the last review was 16 hour(s) ago, and the current result differs from the prior baseline by 3 unit(s).
A. Pause acceptance, compare Piston, valve, ignition, induction, lubrication and cooling systems to support reliable with the approved criteria, investigate the
variance, and retain a traceable decision record.
B. Rely on an experienced colleague's verbal assurance instead of obtaining objective evidence.
C. Treat the issue as administrative and continue while the evidence remains unresolved.
D. Repeat only the final step without checking the underlying inputs, conditions, or controls.
Correct Answer: A
Explanation: The best answer verifies Piston, valve, ignition, induction, lubrication and cooling systems to support against current requirements and evidence
before acceptance. With 3 open item(s), 7 supporting record(s), and a 3-unit change from baseline, a traceable foundational decision should resolve the
discrepancy rather than defer, bypass, or redefine the control.
15. A reviewer finds conflicting evidence about Propeller geometry, pitch control, governing and aerodynamic loads integrated across the tasks expected in
aircraft during a pre-task planning review. What should happen first? Case EB-2785-0015: 3 checks are complete, 4 item(s) remain open, 4 supporting
record(s) are available, the last review was 5 hour(s) ago, and the current result differs from the prior baseline by 1 unit(s).
A. Confirm source data and allowable limits for Propeller geometry, pitch control, governing and aerodynamic loads integrated across the, repeat the calculation
with an independent check, and resolve any difference before acceptance.
B. Ignore unit or assumption differences if the final number appears reasonable.
C. Use the previous calculation unchanged even though one or more current inputs have changed.
D. Proceed using an estimate even though the approved method and current inputs are available.
Correct Answer: A
Explanation: The best answer verifies Propeller geometry, pitch control, governing and aerodynamic loads integrated across against current requirements and
evidence before acceptance. With 4 open item(s), 4 supporting record(s), and a 1-unit change from baseline, a traceable foundational decision should resolve
the discrepancy rather than defer, bypass, or redefine the control.
Austro Control GmbH Part-66 Basic Knowledge Examination ? Module 14: Propulsion
Page 4