Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by Root locus methods Routh test Frequency response methods None of these Root locus methods Routh test Frequency response methods None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 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 180° 45° 0° 90° 180° 45° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Kilo volts Millivolts Volts Microvolts Kilo volts Millivolts Volts Microvolts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a Magnetic flowmeter Turbine flowmeter Flow nozzle type flowmeter Pitot tube Magnetic flowmeter Turbine flowmeter Flow nozzle type flowmeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Very limited flow ranges Aerospace and in air borne applications Both B and C Cryogenic flow measurements Very limited flow ranges Aerospace and in air borne applications Both B and C Cryogenic flow measurements ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D³ D⁴ D² D D³ D⁴ D² D ANSWER DOWNLOAD EXAMIANS APP
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