Which of the following components is NOT an engine powertrain component?

A. piston
B. connecting rod
C. crankshaft
D. cylinder valves


Answer: D

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Hobbing, etching, electroforming, and electrical-discharge machining are ____ processes used in making molds in which no cutting tools are involved.?

A. ?tool making B. ?mold casting C. ?metal-displacement  D. ?die casting

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If a job required three hours each time it was done and was done twice annually, and cost the company $450.00 per hour each time it was done, what error was made by the estimator who determined the total annual cost to be $1350.00?

a. failed to separate the material costs from labor b. used the wrong per hour cost c. divided instead of multiplied d. used the incorrect number of times performed

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Technician A says that all temperature sensors are PTC devices that decrease in resistance as the temperature increases. Technician B says that some vehicle manufacturers use a stepped ECT circuit inside the PCM to broaden the accuracy of the sensor. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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The outer layer of the blastula develops into which of the following?

A. Uterus B. Fetus C. Placenta D. All answers

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