Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following themocouple wire insulating material, the highest temperature rating is for Teflon Asbestos Fibre glass Ceramic fibre Teflon Asbestos Fibre glass Ceramic fibre ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot None of these Time required for the response of first reach its ultimate value is called the response time Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot None of these Time required for the response of first reach its ultimate value is called the response time Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of pressure in ammonia reactor is done by Bourdon gauge Inclined tube manometer U-tube manometer Pirani guage Bourdon gauge Inclined tube manometer U-tube manometer Pirani guage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable. Manipulated Controlled Load None of these Manipulated Controlled Load None of these ANSWER DOWNLOAD EXAMIANS APP