Induction systems: Recip and Turbine

Question 1

An engine that uses a mechanically driven air compressor to increase the air pressure before it enters the engine cylinders is a/an __________

Answer 1

Supercharged engine

Question 2

A gear driven centrifugal impeller is sometimes called a

Answer 2

Distribution Impeller

Question 3

An exhaust driven air compressor used to increase the power of an engine is a/an __________

Answer 3

Turbocharger

Question 4

A controllable butterfly valve in the exhaust pipe of a reciprocating engine equipped with an exhaust driven turbocharger is called a/an_________

Answer 4

Waste gate

Question 5

The absolute pressure of the air inlet to the fuel metering system of a turbocharged engine is called the ___________ pressure

Answer 5

Upper deck

Question 6

The act of self-initiating or self-sustaining in a turbocharged system is called __________

Answer 6

Bootstrapping

Question 7

Three types of air filters for normally aspirated engines are:
__________
__________
__________

Answer 7

Flock/metal screen
Pleated paper
Polyurethane foam

Question 8

The heat used to prevent carburetor ice is obtained by routing induction air around parts of the __________.

Answer 8

Exhaust system

Question 9

Air that flows into the engine when the carburetor heat control is in the HOT position __________ (is/is not) filtered.

Answer 9

Is not

Question 10

An internal supercharger compresses the air__________(before/after) it passes through the carburetor.

Answer 10

After

Question 11

A turbocharger compresses the air ___________(before/after) it passes through the fuel metering system

Answer 11

Before

Question 12

The wastegate on a turbocharger installation on a modern horizontally opposed reciprocating engine is in ___________(series/parallel) with the turbine.

Answer 12

Parallel

Question 13

When the waste gate is fully open, the manifold pressure is __________(minimun/maximum)

Answer 13

Minimum

Question 14

When a turbocharger is equipped with a manually controlled wastegate, the engine will develop its takeoff power with the wastegate fully __________

Answer 14

Open

Question 15

An engine with a turbocharger should be started with the wastegate fully __________

Answer 15

open

Question 16

Turbochargers with an adjustable wastegate restrictor have a manifold pressure ___________ to prevent over boosting when the outside air temperature is low

Answer 16

Relife valve

Question 17

The APC regulates the wastegate position to maintain desired manifold pressure up to the __________ of the engine

Answer 17

Critical altitude

Question 18

The density controller limits the maximum manifold pressure produced by the turbocharger at ___________.

Answer 18

Full throtle

Question 19

Upper deck pressure is normally __________ than the corresponding manifold pressure

Answer 19

Higher

Question 20

The pressure-ratio controller is installed in ___________ (series/parallel) with the APC in the oil line between the waste gate actuator and the engine oil sump

Answer 20

Parallel

Question 21

The pressure-ratio controller only functions at __________(low/high) altitudes

Answer 21

High

Question 22

The variable absolute pressure controller maintains a constant upper deck pressure for any position of the ___________

Answer 22

Throttle

Question 23

The inlet ducts are actually a part of the ___________

Answer 23

Airframe

Question 24

Inlet ducts are devided into two classifications according to the speed of the aircraft they are installed. These are:
__________
__________

Answer 24

subsonic

supersonic

Question 25

Most subsonic inlet ducts are _________

Answer 25

Convergent

Question 26

Supersonic inlet ducts are of the ___________ type

Answer 26

Convirgant-divergent

Question 27

The three types of TURBOPROP Inlet ducts are:
___________
___________
___________

Answer 27

Ducted Spinner
Conical Spinner
Underscoop