Page | 1
Engine Cooling Systems Questions and
Answers (Expert Solutions)
Q: During an operational check of an electrically powered aircraft engine cowl flap
system, the motor fails to operate. Which of the following is the first to be checked?,
🗹🗹: Flap actuator motor circuit breaker
Q: Reciprocating engines used in helicopters are cooled by., 🗹🗹: a fan mounted on
the engine.
Q: The components in a turbine engine that operates at the highest temperatures is /
are the, 🗹🗹: first stage turbine nole guide vanes.zz
Q: Aircraft reciprocating engine cylinder baffles and deflectors should be repaired as
required to prevent loss of, 🗹🗹: cooling
Q: Cylinder head temperatures are measured by means of an indicator and a, 🗹🗹:
thermocouple sensing device.
Q: The position of the cowl flaps during normal cruise flight conditions is, 🗹🗹:
closed
Q: Cracks in cooling fins that do not extend into the cylinder head may be repaired by,
🗹🗹: removing affected area and contour filing within limits
Q: Which of the following assists in removing heat from the metal walls and fins of an
air-cooled cylinder assembly?, 🗹🗹: a baffle and cowl arrangement
Q: a broken cooling fin on a cylinder head, 🗹🗹: may be filed to smooth contours if
damage and / or repair limits are not exceeded.
Engine Cooling Systems Questions and
Answers (Expert Solutions)
Q: During an operational check of an electrically powered aircraft engine cowl flap
system, the motor fails to operate. Which of the following is the first to be checked?,
🗹🗹: Flap actuator motor circuit breaker
Q: Reciprocating engines used in helicopters are cooled by., 🗹🗹: a fan mounted on
the engine.
Q: The components in a turbine engine that operates at the highest temperatures is /
are the, 🗹🗹: first stage turbine nole guide vanes.zz
Q: Aircraft reciprocating engine cylinder baffles and deflectors should be repaired as
required to prevent loss of, 🗹🗹: cooling
Q: Cylinder head temperatures are measured by means of an indicator and a, 🗹🗹:
thermocouple sensing device.
Q: The position of the cowl flaps during normal cruise flight conditions is, 🗹🗹:
closed
Q: Cracks in cooling fins that do not extend into the cylinder head may be repaired by,
🗹🗹: removing affected area and contour filing within limits
Q: Which of the following assists in removing heat from the metal walls and fins of an
air-cooled cylinder assembly?, 🗹🗹: a baffle and cowl arrangement
Q: a broken cooling fin on a cylinder head, 🗹🗹: may be filed to smooth contours if
damage and / or repair limits are not exceeded.
