Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan 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? Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer Radiation/infrared pyrometer Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer Radiation/infrared pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are made of Nickel-chromium alloys Metal oxides Ultra pure metals Iron-copper alloys Nickel-chromium alloys Metal oxides Ultra pure metals Iron-copper alloys ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? 1/(s² - 1) 1/(s² + 1) S/(s² - 1) S/(s² + 1) 1/(s² - 1) 1/(s² + 1) S/(s² - 1) S/(s² + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The inverse Laplace transform of the function f(s) = 1/S(1 + S) is 1 + e-t 1 - et 1 + et 1 - e-t 1 + e-t 1 - et 1 + et 1 - e-t ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Conductor Insulator Solid semi-conductor Liquid semi-conductor Conductor Insulator Solid semi-conductor Liquid semi-conductor ANSWER DOWNLOAD EXAMIANS APP
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