Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Is 30° Is 90° at the most Approaches 180° asymptotically Is 120° Is 30° Is 90° at the most Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Combustion space in boilers Rotary limestone calcination kiln Hot blast (air) from stoves Molten slag flowing out of blast furnace Combustion space in boilers Rotary limestone calcination kiln Hot blast (air) from stoves Molten slag flowing out of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an Cipolletti weir Rectangular weir V-notch Orifice meter Cipolletti weir Rectangular weir V-notch Orifice meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? Poor reproducibility High measuring lag High fidelity High drift Poor reproducibility High measuring lag High fidelity High drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of specific gravity of a liquid is done by Hydrometer Contact-type electric indicators Displacement meter Both A and C Hydrometer Contact-type electric indicators Displacement meter Both A and C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and non-oscillatory Slower and oscillatory Faster and non-oscillatory Faster and oscillatory Slower and non-oscillatory Slower and oscillatory Faster and non-oscillatory Faster and oscillatory ANSWER DOWNLOAD EXAMIANS APP