Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 30° Approaches 180° asymptotically Is 90° at the most Is 120° Is 30° Approaches 180° asymptotically Is 90° at the most Is 120° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Load cells are used for the measurement of Strain Weight Velocity Stress Strain Weight Velocity Stress ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Resonant Natural Cross-over Corner Resonant Natural Cross-over Corner ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Platinum-platinum+rhodium Copper-constantan None of these Aluminium-chromel Platinum-platinum+rhodium Copper-constantan None of these Aluminium-chromel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Mercury in glass thermometer (without any covering or air gap) All of these Bare metallic thermometer Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare metallic thermometer Bare vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP