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Turbo vs Super...... Chargers

Total questions: 36

Worksheet time: 25mins

Name
Class
Date
1.

How are superchargers driven?

a)

Engine Belt

b)

Driveshaft

c)

Drive Gear

d)

Exhaust

2.

Which one is NOT a supercharger type?

a)

Roots

b)

Twin Screw

c)

Centrifugal

d)

Compound

3.

Turbochargers are driven by?

a)

Exhaust Gas

b)

Intak Pressure

c)

Engine Belt

d)

Battery

4.

An intercooler increases air________

a)

Density

b)

Pressure

c)

Volume

d)

Heat

5.

A single turbocharger has how many exhaust gas inlets?

a)

1

b)

2

c)

3

d)

4

6.

Twin scroll turbochargers have how many exhaust gas inlets?

a)

1

b)

2

c)

3

d)

4

7.

Which one of the following has an immediate boost response?

a)

Twin Scroll Turbo

b)

Single Turbo

c)

Superchargers

d)

Compound Turbochargers

8.

Which power adder is more efficient?

a)

Turbochargers

b)

Superchargers

9.

This power adder offers an exponential power band.

a)

Turbocharger

b)

Supercharger

10.

This power adder offers a linear power band.

a)

Supercharger

b)

Turbocharger

11.

Describe Turbo Lag

4 lines
12.

What is the basic function of both superchargers and turbos?

a)

To deliver more air to an engine’s internal combustion process

b)

To reduce the engine's temperature

c)

To increase the engine's oil pressure

d)

To decrease the engine's fuel consumption

13.

Where does the supercharger sit in an engine?

a)

Inside the fuel tank

b)

Below the crankshaft

c)

Atop the intake manifold

d)

Next to the exhaust manifold

14.

What are the long fins or ridges on the rotor shaft of a supercharger called?

a)

Lobes

b)

Blades

c)

Wings

d)

Fins

15.

What supplies power to the supercharger from the crankshaft?

a)

Drive belt

b)

Oil line

c)

Exhaust pipe

d)

Fuel pump

16.

Which type of supercharger saw its first automobile application in 1900?

a)

Twin screw

b)

Centrifugal

c)

Roots

d)

Single turbo

17.

What is a key characteristic of centrifugal superchargers?

a)

They are the least expensive type

b)

They have simple rotor designs

c)

They produce an exponential power curve

d)

They are powered by exhaust gas

18.

What drives a turbocharger?

a)

Mechanical energy from the crankshaft

b)

Electricity

c)

Heat energy from engine exhaust

d)

Hydraulic pressure

19.

What is 'turbo lag'?

a)

The time it takes for fuel to reach the engine

b)

The period when the engine is off

c)

The time it takes for a supercharger to start

d)

The delay before a turbo produces usable boost

20.

Which type of supercharger is known for having 'positive displacement'?

a)

Centrifugal

b)

Roots and twin screw

c)

Single turbo

d)

Twin scroll turbo

21.

Which of the following is a benefit of superchargers over turbos?

a)

They are powered by exhaust gas

b)

They require more peripheral parts

c)

They have more turbo lag

d)

They are usually easier to tune and maintain

22.

Match the following

a)
1.

Wastegated

b)
2.

Fixed Geometry

c)
3.

VGT

d)
4.

Turbine Side Housing

e)
5.

Compressor Side Housing

23.

Tech A says: The inlet of the compressor side of a turbo is the volute. Tech B says: The inlet of the turbine side of a turbo is the volute. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

24.

A/R ratio corresponds to what when describing a turbo?

a)

Area and Radius

b)

Acceleration and Resistance

c)

Air and Resistance

d)

Air and Reaction

25.

Maxx Force Engines have ______ Turbochargers

a)

Air Cooled

b)

Liquid Cooled

c)

Electric Powered

d)

Twin

e)

Belt Driven

26.

Maxx Force Engines have ______ Turbochargers

a)

Twin

b)

Reverse Impeller

c)

Sequential

d)

Single

e)

Reverse Volute

27.

Match the following

a)
1.

Split

Volute

b)
2.

Twin

c)
3.

Series/Sequential

d)
4.

Hot Side

e)
5.

Cool Side

28.

–VGTs and variable vane turbochargers are capable of changing boost pressure independent of engine speed and load.

a)

True

b)

False

29.

Two different sized turbochargers are arranged with the compressor outlet of the first turbocharger feeding the inlet second

a)

Series/Sequential

b)

Alternating

c)

Parallel

d)

Split Volute

e)

Eco Boost

30.

Tech A says: It’s important to replace a turbocharger with the same A/R ratio. Tech B says: Turbos lower exhaust temperatures and noise. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

31.

Compressor

A
B
C
D
E
32.

______ endplay can be measured with a dial indicator

a)

Axial

b)

Compression

c)

Angular

d)

Tangential

e)

Compound

33.

To measure a turbo housing clearance.. What measuring device do you need?

a)

Ruler

b)

Dial Indicator

c)

Digital Caliper

d)

Inclinometer

e)

Feeler Gauge

34.

Tech A says: Ball bearings cannot be used on turbine shafts in turbochargers because of the intense heat. Tech B says: Oil is not needed to lubricate turbine shafts inside of turbochargers because they use ball bearings. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

35.

Tech A says: Wastegates can be actuated by vacuum from the intake. Tech B says: Wastegates can be actuated by pressure from the compressor side of the turbo. Who is correct?

a)

Tech A

b)

Tech B

c)

Both A and B

d)

Neither A nor B

36.

Match the following

a)
1.

Impeller

b)
2.

Wastegate Actuator

c)
3.

Volute

d)
4.

VGT Actuator

e)
5.

Propeller

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