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Chapter 4 - Alternating Current AC Circuits

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Quiz

Lesson 2 – Manometer, Barometer, Pascal Principle and Hydraulic Press — Lesson quiz

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1.
In a hydraulic press, if the radius of the large piston is 4 times that of the small piston, the mechanical advantage is:
4
16
2
8
2.
A mercury manometer connected to a gas tank shows the mercury level in the free arm is 4 cm higher than the gas arm (Pa = 76 cm Hg). The gas pressure is:
76 cm Hg
80 cm Hg
72 cm Hg
4 cm Hg
3.
A U-tube contains water (ρ = 1000 kg/m3) and oil (ρ = 800 kg/m3). If the oil column height above the interface is 10 cm, the balancing water column height is:
8 cm
6.4 cm
12.5 cm
10 cm
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