Sam Came Home from School Upset

question 33

True/False

Sam came home from school upset.He got eight out of 10 correct on his spelling test, but his friends Jacob and Matt each got all 10 correct.Sam is worried that he's not as smart as his friends.Sam is engaging in social comparison.

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Definitions:

Relative Compression Test

A quick way to identify a weak cylinder by cranking the engine with an inductive ammeter on the starter circuit. With a lab scope, cranking amperage can be graphed and correlated to a particular cylinder. A cylinder with low compression will draw fewer amps than a cylinder with higher compression, which will show on the graph.

Inductive Ammeter

An instrument used for measuring electrical current without the need to make direct contact with the conductor.

Black Smoke

Emission from a vehicle's exhaust, indicating incomplete combustion and the presence of excess fuel in the engine.

Combustion Chamber

The enclosed space within an engine where fuel is burned to produce power.