A "Cranks but Does Not Start" Problem on a Waste

question 43

Multiple Choice

A "cranks but does not start" problem on a waste spark type EI system is being diagnosed. When a spark tester is connected to each coil and the starter is engaged, there is no spark. Technician A says the crankshaft position sensor could be the problem. Technician B says the PCM could be the problem. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Residual Standard Deviation

A measure of the amount of variance in a dataset or model that is not explained by the predictive variables or the model itself, often used in regression analysis.

Beta

A measure of a stock's volatility in relation to the overall market; a beta greater than 1 indicates higher volatility.

Treynor's Measure

A performance metric for determining how well an investment compensates the investor for its risk, comparing returns to the market portfolio.

Residual Standard Deviation

A measure of the amount by which an observation differs from its expected value, specifically in the context of a regression model.