Biomedical Engineering > GATE 2022 > Flow Measurement
A Hall effect flow meter is used to measure the volumetric flow through a blood vessel. The flow meter induces a magnetic field across the vessel and uses a voltmeter to measure the voltage across the vessel which is normal to both magnetic field and blood flow. A caliper is used to measure the vessel diameter. The system calculated the flow rate to be 100 cm³.s⁻¹ using the known magnetic field, and measured values of voltage and vessel diameter.
After the measurement, a calibration is performed, and it is discovered that the voltmeter was measuring 40% larger than the actual value and the caliper was measuring the diameter 10% smaller than the actual value.
Assuming a uniform flow profile along the vessel and ignoring viscosity, the actual blood flow is _______ cm³.s⁻¹ (rounded off to two decimal places).

Correct : 78.71 to 79.91

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Related Topics

blood flow measurement Hall effect flow meter GATE Biomedical Engineering 2022 blood vessel flow actual blood flow calculation flow meter calibration blood flow profile GATE 2022 Biomedical Engineering flow rate calculation blood flow measurement errors

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