Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Platinum-platinum+rhodium Chromel-alumel Iron-constantan None of these Platinum-platinum+rhodium Chromel-alumel Iron-constantan None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Voltage Light intensity Flux density Current Voltage Light intensity Flux density Current ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity cell is the primary element of a/an __________ analyser. Oxygen Carbon dioxide Sulphur dioxide Carbon monoxide Oxygen Carbon dioxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Orificemeter Rotameter Weir V-notch Orificemeter Rotameter Weir V-notch ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) nRT/V nRT/P V/nRT p/nRT nRT/V nRT/P V/nRT p/nRT ANSWER DOWNLOAD EXAMIANS APP
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