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DSL 201 WEEK 1 DAY 2 WARM UP

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Technician A says turbochargers use exhaust energy to compress air and pressurize the air intake system of an engine. Technician B says turbochargers are equally effective on diesel engines as well as spark-ignition (SI) engines. Who is correct?

Select one:

a)

a. Technician A

b)

b. Technician B

c)

c. Both Technician A and Technician B

d)

d. Neither Technician A nor Technician B

2.

Technician A says there is one primary mechanism used to ignite fuel in any engine: electric spark. Technician B says there is one primary mechanism used to ignite fuel in any engine: heat generated through the compression of air. Who is correct?

a)

Tech A

b)

Tech B

c)

Both

d)

Neither

3.

In the 1920s, who developed practical, compact injection pumps and governors that allowed the use of smaller diesel engines to power trucks, buses, and automobiles?

a)

a. Clessie Cummins

b)

b. Robert Bosch

c)

c. Carl Benz

d)

d. Henry Ford

4.

Technician A says diesel engines are the most efficient combustion systems in use today. Technician B says that, compared to other engines, diesel engines convert burning fuel into the most mechanical energy. Who is correct?

Select one:

a)

TECH A

b)

TECH B

c)

BOTH TECH A & B

d)

NEITHER TECH

5.

The following are all advantages of diesel engines, EXCEPT __________.

Select one:

a)

Greater durability and longevity

b)

Spark ignition

c)

BETTER FUEL ECONOMY

d)

MORE POWER

6.

Who developed the concept of the CI engine?

a)

Vin Diesel

b)

Nicolaus August Otto

c)

Rudolph Diesel

d)

Clessie Cummins

7.

__________ was used to make the first biodiesel fuel.

a)

a. Soybean

b)

b. Corn

c)

c. Vegetable oil

d)

d. Peanut oil

8.

Technician A says coal dust was the original diesel fuel. Technician B says the first biodiesel fuel was made out of peanut oil. Who is correct?

Select one:

a)

TECH A

b)

TECH B

c)

BOTH TECH A & B

d)

NEITHER TECH

9.

What are the two operating types of Diesel Engines?

a)

Spark Ignition

b)

2 & 4 Stroke

c)

1 stroke

d)

external combustion

10.

Top dead center (TDC) defines the position of what engine component?

a)

PISTON

b)

CHRANKSHAFT

c)

TURBOCHARGER

d)

NONE OF THESE