Efficiency of a Heat Engine

Efficiency of a Heat Engine

7th - 9th Grade

30 Qs

quiz-placeholder

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Efficiency of a Heat Engine

Efficiency of a Heat Engine

Assessment

Quiz

Instructional Technology, others, Science, Other, Physics

7th - 9th Grade

Hard

Created by

Samavia Gulfam

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An engine is a device that changes _________ energy in fuel to __________ energy.

mechanical, chemical

chemical, mechanical

kinetic, chemical

chemical, kinetic

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bore in which a piston operates is the ________.

Block

Head

Cylinder

Valve train

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The engine part that slides back in forth in a cylinder is the _____________.

Valve

Piston

Crankshaft

Camshaft

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct order of events in an engine?

Intake, Power, Compression, Exhaust

Intake, Power, Exhaust, Compression

Intake, Compression, Power, Exhaust

Intake, Exhaust, Power, Compression

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a four stroke engine, gasoline must be mixed with the correct amount of _____________.

Water

Oil

Carbon dioxide

Air

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diesel engines use glow plugs to _______ the compressed air, causing it to combust.

heat

cool

release

compress

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _________ is the full travel of the piston, in either direction.

revolution

turn

cycle

stroke

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