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A U - tube manometer
  • a)
    is used upright if pressure differential is small
  • b)
    is used inverted if pressure differential is small
  • c)
    cannot be used to measure the absolute pressure of a fluid
  • d)
    cannot be inclined at any angle
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A U - tube manometera)is used upright if pressure differential is smal...
U-tube Manometer:
(i) It consists of a glass tube in U shape, one end of which connected to the gauge point and another end open to the atmosphere.
(ii) The tube contains a liquid of specific gravity greater than that of the fluid of which the pressure is to be measured.
(iii) The choice of the manometric liquid depends on the range of pressure to be measured For the low-pressure range, liquid of lower SG is used and for the high range, generally, mercury is used.
(iv) A U-tube manometer is used inverted if the pressure differential is small (density of the manometric fluid is less than fluid) and A U-tube manometer is used upright if the pressure differential is large (density of the manometric fluid is large)
Limitation:
  • This method requires reading of fluid level at two or more points since the change in pressure causes a rise in one limb and drop in another.
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A U - tube manometera)is used upright if pressure differential is smallb)is used inverted if pressure differential is smallc)cannot be used to measure the absolute pressure of a fluidd)cannot be inclined at any angleCorrect answer is option 'B'. Can you explain this answer?
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