Piston 2 - Week 2C | Super Survey Maker

What kind of loads can this kind of bearing handle? #2

Radial

Axial & radial

Tangential

Axial

What kind of bearing is this? #4

Roller

Tapered roller

Ball

Plain

What kind of bearing is this? #5

Plain

Roller

Ball

Tapered Roller

What kind of loads can this kind of bearing handle? #1

Tangential

Axial

Axial & radial

Radial

What kind of bearing is this? #3

Roller

Tapered Roller

Plain

Ball

What kind of bearing load is pointed to by A?

Axial

Combined

Tangential

Radial

What kind of loads can this kind of bearing handle? #3

Axial & radial

Tangential

Axial

Radial

What kind of loads can this kind of bearing handle? #6

Axial & radial

Tangential

Axial

Radial

What kind of bearings are used for crankshafts and rods on an aircraft engine?

Roller

Tapered roller

Plain

Ball

How are bearings cleaned?

Water wash, blow dry with shop air - not spinning the bearing, reapply grease or oil immediately

Solvent wash, blow dry with shop air - spinning the bearing, reapply grease or oil immediately

MEK wash, blow dry with shop air - not spinning the bearing, reapply grease or oil immediately

Solvent wash, blow dry with shop air - not spinning the bearing, reapply grease or oil immediately

What kind of bearing is this? #2

Plain

Ball

Roller

Tapered roller

What part of the bearing is pointed to by A?

Outer race

Inner race

Ball

Cage

What kind of loads can this kind of bearing handle? #4

Tangential

Axial & radial

Radial

Axial

What part of the bearing is pointed to by C?

Ball

Inner race

Cage

Outer race

What kind of bearing load is pointed to by C?

Combined

Radial

Tangential

Axial

What is the purpose of a bearing?

To absorb radial and withstand axial forces

To withstand the forces in an engine with maximal friction and heat build up

To absorb the forces in an engine with maximal friction and heat build up

To withstand the forces in an engine with minimal friction and heat build up

What kind of bearing load is pointed to by B?

Tangential

Radial

Combined

Axial

What part of the bearing is pointed to by D?

Outer race

Ball

Cage

Inner race

What kind of bearing is this? #1

Roller

Plain

Tapered roller

Ball

What kind of loads can this kind of bearing handle? #5

Tangential

Axial & radial

Axial

Radial

What part of the bearing is pointed to by B?

Outer race

Ball

Cage

Inner race

What kind of gearing systems are used for propeller reduction?

Bevel gears & worm gears

Mitre gears & screw gears

Spur gears & worm gears

Spur gears & planetary gear sets

Which of the following is correct?

Engine speed will always be slower than propeller speed

Propeller speed will always be slower than engine speed

Propeller speed does not matter

Engine speed does not matter

Gear ratios are always expressed as?

Output speed : Input speed

Input speed : Output speed

What is the purpose of a geared propeller?

To allow the propeller to spin at its optimal speed

To allow the engine to spin at its optimal speed

To increase the propeller speed

To allow both the engine and propellers to spin at their optimal speeds

When does the thermostat in a liquid cooling system open?

When the outside air temperature is equal to or below the engine temperature

When the engine comes up to normal operating temperature

When the engine is below normal operating temperatures

When the engine is cold

Which of the following best describes a liquid cooling system?

Heat is transferred from the engine to a liquid which has the heat extracted from it by air in a radiator

Heat is transferred from the engine to the radiator by conduction where the heat is extracted by air

Heat is transferred from the engine to a liquid which has the heat extracted from it by another liquid in a radiator

Heat is transferred from the engine to air which has the heat extracted from it by a liquid in a radiator

How is the gearbox oil cooled on the DA42?

By a gearbox oil to air heat exchanger

By a gearbox oil to air radiator

By an gearbox oil to engine coolant heat exchanger

By air flowing past the gearbox

What parts are there in a liquid cooling system?

The reservoir, radiator, thermostat and water jackets

The engine driven coolant pump, reservoir, radiator and water jackets

The engine driven coolant pump, reservoir, radiator, thermostat and water jackets

The engine driven coolant pump, radiator, thermostat and water jackets

What is the purpose of the baffles and baffle seals?

To force air through the cooling fins on the cylinders

To force liquid through the cooling fins on the cylinders

To force air around the cylinders

To force air away from the hot parts of the engine

What kind of cylinder head temperature probes are used?

Type E and type Q

Clip on and slip on types

Thread in and gasket types

Bayonet & gasket types

What is used to determine if winter baffles are required?

CHT

EGT

OAT

IAT

What is typically done in extremely cold operation of aircraft engines?

Winter baffles will be installed to reduce the cowl opening size

Winter baffles will be installed to increase the cowl flap size

Winter baffles will be installed to increase the cowl opening size

Winter baffles will be installed to reduce the cowl flap size

What is used to cool the internal components of the engine?

Oil

Direct conduction

Air

Coolant

Piston 2 - Week 2C

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