36 Questions
What should a student do before carrying out the start procedure?
Seek start clearance from fireguard or observer DEFENCE AEROSKILLS TRAINING ACADEMY
What is an important safety precaution to observe during engine runs?
Observing RPM or torque limits imposed during ground runs
What is a critical consideration when carrying out engine runs?
Observing engine load restrictions when recording engine parameters
What should be done after the engine has started and stabilized at idle?
Carry out relevant post-start checks
What instrument reading is particularly emphasized during engine runs?
Engine parameters
What is the purpose of reading and recording indications accurately in aviation?
To prevent incorrect engine adjustments or component rejection
Why is it important to read instruments from a front-on position?
To avoid creating parallax errors
Which one of the following is an example of an emergency situation that could be encountered in aviation?
Engine fuel leak
What is the main risk associated with neglecting emergency procedures in aviation?
Damage to engine or aircraft components
Why do emergency situations need operators to follow relevant corrective actions and shut down procedures immediately?
To prevent life-threatening situations
What is the purpose of feathering a propeller during an engine fire emergency?
To prevent walking into a propeller that is still running down
Why is it crucial to shut off the batteries/ground power during an engine fire emergency?
To prevent electrical system damage
What is the primary benefit of feathering a propeller in an engine fire emergency?
Aids in rapid engine shut down
During an engine fire, what should crew members do before vacating the aircraft?
Complete a head count of all passengers and crew
Why is radio call to airfield tower for fire-crew assistance essential during an engine fire emergency?
To ensure timely arrival of specialized fire-fighting personnel
What is the purpose of the pre-start walk-around for an aircraft engine run?
To ensure the jet efflux danger zone is clear
Why is it important to remove or secure materials that could be ingested by the engine?
To prevent FOD (foreign object damage)
What does a FOD walk-around involve?
Ensuring there are no foreign objects on the runway
Why are blast deflectors important during an engine run?
To reduce noise levels for nearby personnel
What is a key safety precaution mentioned for external power during pre-start checks?
Ensuring external power is disconnected and tested as required
What makes performing maintenance or operating around helicopters a dangerous task?
High temperatures and exhaust efflux
Which of the following is true regarding engine intake areas?
They can create suction hazards
What is a key safety precaution mentioned in the text regarding engine run danger areas?
Mandatory organ protection
Why is it essential to use blast deflectors around gas turbine engines?
To redirect the jet efflux safely
What is the impact of engine noise levels according to the text?
Noise levels diminish over distance but can still interrupt activities
What additional risks exist on turbopropeller aircraft?
Jet efflux danger zone
Why are ADF maintenance personnel generally not authorized to perform engine runs on rotary wing aircraft?
Risk of aircraft lift-off
What is a unique operating hazard helicopters present regardless of the operator?
Jet efflux danger zone
Why is extreme danger present during night-time operation of propeller-driven aircraft?
Strobe effect of anti-collision and warning lights
What type of safety measures may be in place to counteract dangers around an engine?
Blast deflectors
What is the impact of loud and persistent noise around a running engine?
Makes communication ineffective
How can alternative communication be maintained in the presence of loud engine noise?
Using a system of hand signals
What is a potential hazard associated with specialised headset communication equipment?
Long leads that can be hazardous around operating systems
Why is it important to record start peaks in area A during engine runs?
To allow for immediate corrective action if needed
What action should be taken if there are persistent starts in area B during engine runs?
Perform boroscope inspection before further start attempts
What are the potential consequences of ignoring engine operating limits?
Potential damage or failure of the engine
Learn about instrument reading errors caused by parallax error and how it can lead to incorrect engine adjustments or component rejection. This quiz is based on Figure 8 from the DEFENCE AEROSKILLS TRAINING ACADEMY manual.
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