Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Helium Nitrogen Hydrogen None of these Helium Nitrogen Hydrogen None of these 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? Photoelectric pyrometer Radiation pyrometer Thermocouples Optical pyrometer Photoelectric pyrometer Radiation pyrometer Thermocouples Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 800-2500 800-1600 400-1000 400-1600 800-2500 800-1600 400-1000 400-1600 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
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 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag + 180° Phase lag - 180° Phase lag + 90° 180° - phase lag Phase lag + 180° Phase lag - 180° Phase lag + 90° ANSWER DOWNLOAD EXAMIANS APP
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