Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Optical pyrometer Thermocouple Platinum resistance thermometer Bimetallic thermometer Optical pyrometer Thermocouple Platinum resistance thermometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In an exothermic chemical reactor, the manipulated variable is the flow rate of None of these Coolant Product Reactants None of these Coolant Product Reactants ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Both A & B Here Closed Open Neither A Nor B Here Both A & B Here Closed Open Neither A Nor B Here 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 = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stroboscope is used for the measurement of Depression of freezing point Frequency of light Rpm of a flywheel Liquid level under pressure Depression of freezing point Frequency of light Rpm of a flywheel Liquid level under pressure ANSWER DOWNLOAD EXAMIANS APP
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