Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 10 and 425 - 79 and 395 - 51 and 439 - 39 and 350 - 10 and 425 - 79 and 395 - 51 and 439 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Platinum-rhodium Tungsten-molybdenum Iron-constantan Chromel-alumel Platinum-rhodium Tungsten-molybdenum Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 400-1600 800-1600 800-2500 400-1000 400-1600 800-1600 800-2500 400-1000 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Thermocouples Photoelectric pyrometer Radiation pyrometer Optical pyrometer Thermocouples Photoelectric pyrometer Radiation pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has Two cells Three cells No cell One cell Two cells Three cells No cell One cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Stable Critically damped None of these Unstable Stable Critically damped None of these Unstable ANSWER DOWNLOAD EXAMIANS APP
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