The upper radiator hose collapses when the engine cools. What is the most likely cause?

A) A defective upper radiator hose
B) The spring is missing from the upper radiator hose which is used to keep it from collapsing
C) A defective thermostat
D) A defective pressure cap


D) A defective pressure cap

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This type of weld is applied to a butt joint between two pieces of metal.

a. fillet weld b. square groove weld c. V groove weld d. bevel groove weld

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Technician A says that the ECT and IAT sensors can be checked visually, as well as by using a digital multimeter or a scan tool. Technician B says that the ECT sensor is a high-authority sensor at engine startup and is used for open-loop control, as well as idle speed. Which technician is correct?

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

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The isometric drawing method is also used to give the reader of the drawing a feeling os seeing objects in _______________.

Fill in the blank(s) with the appropriate word(s).

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One unique property of waterproof membranes is their ability to seal around ____, which makes them a particularly effective underlayment on roofs below 3:12.

A. seams B. nails C. corners D. edges

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