FREE AVIATION AND STUDY GAMES ABOUT AMT1217

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FREE AVIATION AND STUDY GAMES ABOUT AMT1217

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -91 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What kind of turbine engine compressor has vanes on both sides of the impeller?

Answer:

Double entry centrifugal compressor Question 2: Who establishes mandatory replacement times for critical components of turbine engines?

Answer:

Manufacturer

Question 3: Nozzles accomplish what two tasks?

Answer:

Convert thermal energy into mechanical and direct gases to turbine blades

Question 4: What type of bearings are used in the turbine engine?

Answer:

ball and roller

Question 5: Fuel flow for a gas turbine engine is indicated in what measurement?

Answer:

Pounds per hour

Question 6: How are engine stresses transferred to the aircraft structure?

Answer:

Engine mounts Question 7: What is the purpose of air passing through the combustion chamber of a turbine engine

Answer:

supports combustion and cool the engine

Question 8: What does EPR represent in turbofan-powered aircraft?

Answer:

Thrust being produced Question 9: What is the primary advantage of an axial-flow compressor over a centrifugal compressor?

Answer:

Greater pressure ratios Question 10: A severe stall of a compressor wheel in a gas turbine engine is known as:

Answer:

Hung stall

Question 11: How many magnetos are typically used on gas turbine engines?

Answer:

Question 12: Why should shop air never be used to dry a turbine bearing?

Answer:

Shop air can cause corrosion

Question 13: The condition that occurs when mid-span shrouds overlap from excessively worn

mating surfaces is known as:

Answer:

Shingling Question 14: Dirt particles in the air being introduced into the compressor of a turbine engine

will not form a coating on:

Answer:

Turbine blades

Question 15: How many igniters are normally in an aircraft turbine engine?

Answer:

2 Question 16: The two functional elements of a centrifugal-flow compressor are:

Answer:

Impeller and diffuser Question 17: A raised area indicating separation of a surface layer from a base metal is known

as:

Answer:

Blister

Question 18: How is the blending of blades and vanes performed?

Answer:

Parallel to the length of the blade using smooth contours

Question 19: Where is the turbine discharge pressure indicator sensor located

Answer:

Immediately aft of the last turbine stage

Question 20: What are the three basic types of combustion chambers?

Answer:

can, annular, and can-annular

Question 21: What occurs at high altitude where low engine speeds and low fuel pressure form a weak flame that is extinguished in a normal airflow?

Answer:

A lean die-out Question 22: The development of a hard, glossy surface on bearing surfaces in the presence of

oil, heat, and pressure is known as:

Answer:

Glazing

Question 23: In a dual axial-flow compressor, the first stage turbine drives

Answer:

the N2 compressor Question 24: When shutting down a gas turbine engine, a 30 second idling is recommended why?

Answer:

oil system scavenging and allow component temperatures to stabilize Question 25: Fuel flow should be turned off and the engine should continue to be motored with starter when?

Answer:

If a fire occurs during starting cycle Question 26: Turbine nozzle diaphragms located on the upstream side of each turbine wheel,

are used in the gas turbine engine to:

Answer:

Increase the velocity of the heated gases

Question 27: What must be done before inspecting the engine nacelle?

Answer:

Clean the nacelle