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Understanding Turbochargers

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Who invented the turbocharger?

a)

Nikola Tesla

b)

Alfred Buchi

c)

Henry Ford

d)

Karl Benz

2.

What is the main purpose of a turbocharger?

a)

To clean exhaust gases

b)

To cool down the engine

c)

To increase engine power

d)

To increase fuel efficiency

3.

What does a turbocharger use to power the compressor?

a)

Exhaust gases

b)

External air

c)

Electricity

d)

Hydraulic fluid

4.

What is turbo normalizing?

a)

Increasing the turbo speed

b)

Cooling the turbocharged air

c)

Restoring air pressure to sea level pressure

d)

Reducing turbo lag

5.

What is the function of a blow off valve in a turbocharger?

a)

To increase air pressure

b)

To cool down the air

c)

To relieve pressure when lifting off the throttle

d)

To filter the air

6.

Why do turbochargers create a lot of heat?

a)

A. Due to the high speed of the turbine

b)

D. They have an intercooler

c)

B. Because of the friction when air molecules are compressed

d)

C. From the combustion process in the engine

7.

What is the purpose of an intercooler in a turbocharged engine?

a)

To increase air pressure

b)

To reduce the temperature of the turbocharged air

c)

To filter the air

d)

To lubricate the turbo

8.

What problem does using two smaller turbos instead of one large turbo solve?

a)

Cost

b)

Turbo lag

c)

Heat generation

d)

Air pressure

9.

What was the first commercially available twin turbo car?

a)

Maserati Biturbo

b)

Nissan 300ZX

c)

Mitsubishi 3000GT

d)

Toyota Supra

10.

How do sequential turbochargers alleviate turbo lag?

a)

By increasing the exhaust flow

b)

By cooling the air more efficiently

c)

By using a smaller turbo to spool up quickly

d)

By using a larger turbo only