Lower than specified oil pressure is measured on a high mileage engine. Technician A says that worn main or rod bearings could be the cause. Technician B says that a clogged oil pump pickup screen could be the cause. Which technician is correct?

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


C

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A low-head hydro system has a net resistance of 36 ?.  It produces 900 W of power.  What is the current in the system.?

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

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A _____________________ is a deliberate weak area of a building wall that releases pressure through that panel rather than allow a whole building to explode.

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

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Two technicians are discussing dual-stage airbags. Technician A says that a deployed airbag is safe to handle regardless of which stage caused the deployment of the airbag. Technician B says that both stages ignite, but at different speeds depending on the speed of the vehicle. Who is right?

A) A only B) B only C) Both A and B D) Neither A nor B

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____ heat is absorbed by a material as it changes from a solid to a liquid state.

A. Sensible B. Sensational C. Latent D. Potential

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