PT134.S2.Q7

PrepTest 134 - Section 2 - Question 7

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Inertia affects the flow of water pumped through a closed system of pipes. ████ ███ ████ ██ █████ ████████ ███ ███ ██████ █████ ███ █████ █████ ████ ██ █████ ████ ██████ ████ ███ ████ ██ ████████ ████ ███████ ██████ ███ ████████ ██ ███ █████ ████ ██ ██ ████████ ███ ███████ ██ ██████████ ██ ██████████ ████████ ███ ███████ ██ ███ ███████ ██ ███████ ██ █████ ██████

Summary

Inertia affects the rate water flows through closed systems of pipes. When the pump is turned on, the water takes time to reach full speed. When the pump is turned off, inertia causes the water to gradually slow down. Inductance affects electrical circuits similarly to how inertia affects water in pipes.

Strongly Supported Conclusions

Inductance affects the rate electricity flows through electrical circuits.

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7.

The information above provides the ████ ███████ ███ █████ ███ ██ ███ ██████████

a

The rate at █████ ██████████ ███████ █████ ██ ████████ ██ ███████████

Given that the effects of inductance are similar to the effects of inertia, inductance must affect electrical currents in a similar way to how inertia affects the flow of water.

81%
b

The flow of ██████████ ███████ ██ █ ███████ ████████ ████████

We don’t know whether electrical currents require inertia. We only know that the effects of inductance are similar to the effects of inertia.

5%
c

Inertia in the ████ ██ █████ ██████ ██ ██ ████████████ ███████ ████ ██ ██████ ██ ██████████ ██ ███ ██████ █████████

We don’t know what causes inertia in pipe systems. We only know that inertia affects the flow of water in pipes.

3%
d

Electrical engineers try ██ ████████ ███ ███████ ██ ██████████ ██ ██████████ █████████

We don’t know what electrical engineers try to do.

1%
e

When a water ████ ██ ████████ ███ ██ █████████ ██ ████ █████ ███ █ ██████ ██ ████

We don’t know for what amount of time water flows after a pump is turned off. We only know that the flow of water stops gradually, and gradually could refer to an ambiguous amount of time.

11%

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