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Diesel engines start quizz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Diesel engines are always louder than gasoline engines

a)

True

b)

False

2.

Why diesel engines last longer than gasoline engines?

a)

Because diesel engines consume less fuel than gasoline engines

b)

Because they have lesser movable parts

c)

Because diesel engines run at lower rpms

d)

They never last longer than gasoline engines

3.

Diesel engines are only economical for high mileage driving

a)

True

b)

False

4.

Why diesel engines generate more torque than gasoline engines

a)

Because their higher compression ratio

b)

Because diesel fuel has more energy density than gasoline fuel

c)

Because of their longer strokes

d)

All the options are correct

5.

What is the function of spark plugs in some diesel engines?

a)

Ignite fuel to develop power

b)

Increase exhaust temperature to help clean emissions

c)

To help start the engine in cold climates

d)

To ensure all fuel is consumed increasing fuel efficiency

6.

What was the motivation for the creation of the diesel engine?

a)

Winning a science fair

b)

Having a more fuel efficient engine

c)

To create engines locally in face of difficult exportation and importation of the time

d)

To gain notoriety among inventors

7.

What was the great contribution of Robert Bosch to diesel engines?

a)

Being the first to use diesel fuel for diesel engines

b)

Using the diesel engine in automotive applications for the first time

c)

Demonstrate the affordable price of diesel

d)

Creation of a fuel pump small enough to use diesel engines in more applications

8.

Komatsu currently uses Cummins engines in its machines

a)

True

b)

False

9.

Komatsu engines are exclusively use in Komatsu equipment

a)

True

b)

False

10.

What is the higher injection pressure in modern diesel engines?

a)

26,000 psi

b)

30,000 psi

c)

36,000 psi

d)

45,000 psi