Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Molten slag flowing out of blast furnace Rotary limestone calcination kiln Combustion space in boilers Hot blast (air) from stoves Molten slag flowing out of blast furnace Rotary limestone calcination kiln Combustion space in boilers Hot blast (air) from stoves ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. Second order system None of these First order system Transportation lag Second order system None of these First order system Transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Isotonic solutions Solids Liquids Gases Isotonic solutions Solids Liquids Gases 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 Overdamped response Undamped response Unstable response Underdamped response Overdamped response Undamped response Unstable response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 400-1600 800-2500 400-1000 800-1600 400-1600 800-2500 400-1000 800-1600 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS