Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Static error Time lag Reproducibility Dead zone Static error Time lag Reproducibility Dead zone 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 Turbine flowmeter Magnetic flowmeter Pitot tube Flow nozzle type flowmeter Turbine flowmeter Magnetic flowmeter Pitot tube Flow nozzle type flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are made of Metal oxides Ultra pure metals Iron-copper alloys Nickel-chromium alloys Metal oxides Ultra pure metals Iron-copper alloys Nickel-chromium alloys ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Vapor pressure thermometer Mercury in glass thermometer Platinum resistance thermometer Radiation pyrometer Vapor pressure thermometer Mercury in glass thermometer Platinum resistance thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 350 to 750 500 to 900 0 to 150 -200 to 150 350 to 750 500 to 900 0 to 150 -200 to 150 ANSWER DOWNLOAD EXAMIANS APP