Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 1 3 5 2 1 3 5 2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Emf produced is very low of the order of microvolt Embrittlement of iron occurs Both B and C Here Rusting of iron takes place Emf produced is very low of the order of microvolt Embrittlement of iron occurs Both B and C Here Rusting of iron takes place 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? Filled system thermometer Thermo electric pyrometer Radiation/infrared pyrometer Mercury in glass thermometer Filled system thermometer Thermo electric pyrometer Radiation/infrared pyrometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Radiation pyrometer Mercury thermometer Thermocouple Bimetallic thermometer Radiation pyrometer Mercury thermometer Thermocouple Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement com-prises the working principle of a Polarimeter Spectrometer CO₂ analyser Chromatograph Polarimeter Spectrometer CO₂ analyser Chromatograph ANSWER DOWNLOAD EXAMIANS APP