Quiz 1

Question 1

The useful output of all aircraft powerplants.

Answer 1

Thrust

Question 2

Since the Reciprocating engine is rated in brake horsepower, the gas turbine engine is rated in ?

Answer 2

Thrust Horsepower

Question 3

375-mile pounds per hour is equal to how many horse power?

Answer 3

One (1) horsepower

Question 4

33,000ft-Ib per minute is equal to how many mile pounds per hour?

Answer 4

375-mile pounds per hour

Question 5

The specific fuel consumption for reciprocating engines.

Answer 5

The fuel flow (Ib/hr) divided by brake horsepower

Question 6

It is the amount of engine life obtained while maintaining the desired reliability.

Answer 6

Durability and Reliability

Question 7

It is the ability of an engine to run smoothly and give desired performance at all speed from idling to full-power output

Answer 7

Operating Flexibility

Question 8

These engines has two banks of cylinders directly opposite each other with a crankshaft in the center.

Answer 8

Opposed - Type Engine

Question 9

This type of engine has proven to be very rugged and dependable. The number of cylinders which make up a row may be three, five, seven, or nine.

Answer 9

Radial Engine

Question 10

It is a device for converting heat energy into mechanical energy

Answer 10

Internal Combustion Engine

Question 11

11. It is vaporized and mixed with air, forced or drawn into a cylinder, compressed by a piston and then ignited by an electric spark.

Answer 11

Gasoline

Question 12

The series of events in the operating cycle of an internal combustion reciprocating engine.

Answer 12

Induct, Compress, Ignite,, Burn

Question 13

The inside diameter of the cylinder.

Answer 13

Bore

Question 14

The distance the piston moves from one end of the cylinder to the other, from TDC to BDC.

Answer 14

Stroke

Question 15

The timing of the valve and ignition events is always specified in what unit of measurement?

Answer 15

Degrees of crankshaft travel

Question 16

What degrees of the crankshaft, when intake valve closes? ( intake stroke )

Answer 16

30 Degrees ABC

Question 17

What degrees of the crankshaft when intake valve opens?( intake stroke)

Answer 17

50 Degrees BTC

Question 18

What degrees of the crankshaft when exhaust valve closed ? ( exhaust stroke)

Answer 18

25 Degrees ATC

Question 19

How many times the cylinder fires in every two revolution of the crankshaft? ( four stroke cycle.

Answer 19

One

Question 20

20. How many degrees of the crankshaft when two revolutions are completed ?

Answer 20

720 Degrees

Question 21

What valve is open during power stroke?

Answer 21

None

Question 22

What valve is open during compression stroke?

Answer 22

None

Question 23

What valve is closed during power stroke

Answer 23

Intake Valve and Exhaust Valve

Question 24

What degrees of the crankshaft when the cycle start ? ( during intake stroke)

Answer 24

50 degrees BTC

Question 25

When the cycle is completed in two revolutions of the crankshaft, it is called)

Answer 25

Four Stroke Cycle Engines

Question 26

How many power stroke for every two (2) revolutions of the crankshaft?

Answer 26

One power stroke

Question 27

The components in a reciprocating engine which houses the piston and valves.

Answer 27

Cylinder

Question 28

The rigid rod that connects the pistons in a reciprocating engine to the throws of the crankshaft.

Answer 28

Connecting Rod

Question 29

The firing order number of the four cylinders of AVCOLYCOMING engines.

Answer 29

1-3-2-4

Question 30

A type of heat engine that changes chemical energy in fuel and air into mechanical energy.

Answer 30

Reciprocating Engine