Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C. > 0 < 100 < 0 > 800 > 0 < 100 < 0 > 800 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Chromel Alumel None of these Constantan Chromel Alumel None of these Constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/6 π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Underdamped response Overdamped response Unstable response Undamped response Underdamped response Overdamped response Unstable response Undamped response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is All of these Based on the principle of Faraday's law Capable of measuring the flow rate of slurries and electrolytes Based on the linear relationship between the fluid flow rate and the induced voltage All of these Based on the principle of Faraday's law Capable of measuring the flow rate of slurries and electrolytes Based on the linear relationship between the fluid flow rate and the induced voltage ANSWER DOWNLOAD EXAMIANS APP
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