Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by 0, π/2 -π/2, 0 - ∞, π/2 -π/2, π/2 0, π/2 -π/2, 0 - ∞, π/2 -π/2, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Nitrogen in steel thermometer Alcohol in glass thermometer Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Nitrogen in steel thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns? Ionisation gauge Alphatron Bourdon guage Mcleoid gauge Ionisation gauge Alphatron Bourdon guage Mcleoid gauge ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? None of these Aluminium-chromel Copper-constantan Platinum-platinum+rhodium None of these Aluminium-chromel Copper-constantan Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change ANSWER DOWNLOAD EXAMIANS APP