Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 39 and 350 - 79 and 395 - 10 and 425 - 51 and 439 - 39 and 350 - 79 and 395 - 10 and 425 - 51 and 439 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 0° 180° 45° 90° 0° 180° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Meleoid gauge measures the __________ pressure. Sub-atmospheric Very high Atmospheric Positive Sub-atmospheric Very high Atmospheric Positive ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Weir Rotameter V-notch Orificemeter Weir Rotameter V-notch Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not the triple point of water? 32°R 32°F 492°R 273°K 32°R 32°F 492°R 273°K ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Corrosion resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Oxidation resistance Corrosion resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP
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