Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Mercury Oil A metal powder or graphite Air Mercury Oil A metal powder or graphite Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Sinusoidal Step Impulse Ramp Sinusoidal Step Impulse Ramp 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 5π/12 π/3 π/12 π/6 5π/12 π/3 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermodynamic celcius scale of temperature measurement is Having an interval of 100° between ice point to steam point Defined on the basis of melting point of ice and evaporation temperature of water vapor Having an interval of 100° between ice point to steam point Both A&B Here Having an interval of 100° between ice point to steam point Defined on the basis of melting point of ice and evaporation temperature of water vapor Having an interval of 100° between ice point to steam point Both A&B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H(1 + G) H/G G/(1 + H) G/H H(1 + G) H/G G/(1 + H) G/H ANSWER DOWNLOAD EXAMIANS APP
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