Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 0.5 0.25 1/√2 1 0.5 0.25 1/√2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple Bimetallic thermometer Optical pyrometer Platinum resistance thermometer Thermocouple 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 Pitot tube Flow nozzle type flowmeter Magnetic flowmeter Turbine flowmeter Pitot tube Flow nozzle type flowmeter Magnetic flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An aneroid barometer measures the __________ pressure. Vacuum Absolute Gage Atmospheric Vacuum Absolute Gage Atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid levels in autocalves are measued by Differential float type manometer None of these Simple float Glass gauge Differential float type manometer None of these Simple float Glass gauge ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are made of Ultra pure metals Nickel-chromium alloys Metal oxides Iron-copper alloys Ultra pure metals Nickel-chromium alloys Metal oxides Iron-copper alloys ANSWER DOWNLOAD EXAMIANS APP