Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a
Options
A. magnetic flowmeter
B. pitot tube
C. flow nozzle type flowmeter
D. turbine flowmeter
Correct Answer
magnetic flowmeter
Process Control and Instrumentation problems
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1. According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is
10. "A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency." This is __________ criterion.