Process Control and Instrumentation
Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an

Radiation pyrometer
Optical pyrometer
Chromel-alumel thermocouple
Either B or C

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

Underdamped response
Undamped response
Unstable response
Overdamped response

ANSWER DOWNLOAD EXAMIANS APP