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 Optical pyrometer Radiation pyrometer Either B or C Chromel-alumel thermocouple Optical pyrometer Radiation pyrometer Either B or C Chromel-alumel thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the None of these 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 Time required for the response of first reach its ultimate value is called the response time None of these 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 Time required for the response of first reach its ultimate value is called the response time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Maximum differential pressure in liquid manometer is __________ psi. 20 50 30 40 20 50 30 40 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the Mercury in glass thermometer Iron-constantan thermocouple Alcohol filled thermometer Optical pyrometer Mercury in glass thermometer Iron-constantan thermocouple Alcohol filled thermometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermostats Relays for opening & closing of electrical circuits Bimetallic thermometers Thermocouples Thermostats Relays for opening & closing of electrical circuits Bimetallic thermometers Thermocouples ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. 400 - 1000 100 - 500 -10 to 20 0 to 100 400 - 1000 100 - 500 -10 to 20 0 to 100 ANSWER DOWNLOAD EXAMIANS APP