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
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -90° -180° 45° -45° -90° -180° 45° -45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² + 1) S/(s² - 1) 1/(s² + 1) 1/(s² - 1) S/(s² + 1) S/(s² - 1) 1/(s² + 1) 1/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance Linear relation of emf to temperature Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance Linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury barometer measures the __________ pressure. Atmospheric Absolute Gauge Vacuum Atmospheric Absolute Gauge Vacuum ANSWER DOWNLOAD EXAMIANS APP