Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Instrumentation in a plant offers the advantage of All of these Better quality of product Greater operation economy Greater safety of operation All of these Better quality of product Greater operation economy Greater safety of operation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Load cells are used for the measurement of Stress Weight Velocity Strain Stress Weight Velocity Strain ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 π/6 5π/12 π/12 π/3 π/6 5π/12 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Overdamped response Unstable response Undamped response Underdamped response Overdamped response Unstable response Undamped response Underdamped response ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS