Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R + C R - C RC 1/RC R + C R - C RC 1/RC 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 Feed forward controller accounts for the __________ changes. Both A & B Set point Load Neither A nor B Both A & B Set point Load Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by -π/2, 0 -π/2, π/2 - ∞, π/2 0, π/2 -π/2, 0 -π/2, π/2 - ∞, π/2 0, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Multiple first order system Second order system (underdamped) Second order system (overdamped) First order system Multiple first order system Second order system (underdamped) Second order system (overdamped) First order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 13 29 0.1 3 13 29 0.1 3 ANSWER DOWNLOAD EXAMIANS APP
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