Question 11 : A U-tube manometer is open at one end and has a gas at the other end if the level of the mercury in both legs of the manometer is equal then what is the temperature of the gas?
1. 1 Pa
2. 1 Torr
3. 1 mm Hg
4. 1 atm
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Question 12 : Which of the following device is used to measure the velocity of flow?
1. Manometer
2. Venturi meter
3. Pitot tube
4. None of the mentioned
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Question 13 : What is the difference between manometer and differential manometer?
1. Differential manometer has gas in empty space
2. Manometer has gas in empty space
3. Differential manometer has liquid in empty space
4. Manometer has liquid in empty space
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Question 14 : Which of the following is used to measure a pressure of only gas?
1. U-tube manometer
2. Piezometer
3. Differential Manometer
4. None of the mentioned
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Question 15 : Which of the following is used for the pressure measurement of only liquid?
1. Manometer
2. Piezometer
3. Differential Manometer
4. None of the mentioned
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Question 16 : A closed end manometer is filled with a gas on one end and other end is close with vacuum, height difference of liquid (density = 10000 Kg/m³) 25 cm, what is the pressure of gas?
1. 0.1 atm
2. 0.24 atm
3. 0.36 atm
4. 0.9 atm
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Question 17 : An open end manometer is filled with a gas on one end and other end is open to atmosphere with height difference of liquid (density = 10000 Kg/m³) 10 cm, what is the pressure of gas?
1. 1 atm
2. 1.1 atm
3. 1.2 atm
4. 1.3 atm
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Question 18 : An object is dipped in water, if the weight of the object measured by spring balance is 10 g and buoyancy force acting on the object is 0.1 N then what is the actual mass of the object?
1. 10 g
2. 20 g
3. 30 g
4. 40 g
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Question 19 : A Closed U-tube manometer has a gas at one end and vacuum at other end, if the height difference of the liquid (density = 10 kg/m³) in the manometer in 5 cm, what is the pressure of the gas?
1. 10 N/m²
2. 5 N/m²
3. 2.5 N/m²
4. 1 N/m²
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Question 20 : What is the pressure difference of the ends of a U-tube manometer filled with liquid (density = 10 kg/m³) the difference in the height of the liquid in the tubes is 5 cm?
1. 5 N/m²
2. 10 N/m²
3. 15 N/m²
4. 20 N/m²
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