Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Aluminium-chromel Platinum-platinum+rhodium Copper-constantan None of these Aluminium-chromel Platinum-platinum+rhodium Copper-constantan None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Oxidation resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Corrosion resistance Oxidation resistance Non-linear relation of emf to temperature Linear relation of emf to temperature Corrosion resistance 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. - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mass spectrometer is used for the composition analysis of Solids None of these Alloys Isotopes Solids None of these Alloys Isotopes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. < 3 < 1 > 3 < 0.1 < 3 < 1 > 3 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 ANSWER DOWNLOAD EXAMIANS APP
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