Question
1
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A barometer has liquid-1 with density 1 Kg/m 3 and height 10 cm below the outside level above that a liquid-2, if the gauge pressure of gas is 0.5 Pa, what is the pressure liquid-2?
1. 0.5 Pa 2. 1 Pa 3. 1.5 Pa 4. 2 Pa
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Question
2
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A barometer has liquid-1 with density 5 Kg/m 3 and height 10 cm below the outside level above that there is liquid-2 of length 5 cm, if the gauge pressure of the gas is 1 Pa, what is the density of liquid-2?
1. 2 Kg/m3 2. 4 Kg/m3 3. 6 Kg/m3 4. 8 Kg/m3
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Question
7
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A closed manometer is filled with 3 fluids first on the left leg with density 8 kg/m 3 and length 10 cm, middle one with density 10 kg/m 3 and height difference 5 cm more on right leg and the third on the right leg with density 15 kg/m 3, what is the length of the third liquid?
1. 1 cm 2. 2 cm 3. 3 cm 4. 4 cm
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Question
8
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A closed U-tube manometer has a gas on one end with pressure 5 Pa and other end has vacuum, what is the approximate height difference of the liquid if the density of liquid is 10 Kg/m 3?
1. 5 mm 2. 10 mm 3. 50 mm 4. 100 mm
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