Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by - ∞, π/2 -π/2, π/2 -π/2, 0 0, π/2 - ∞, π/2 -π/2, π/2 -π/2, 0 0, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a Pitot tube Turbine flowmeter Flow nozzle type flowmeter Magnetic flowmeter Pitot tube Turbine flowmeter Flow nozzle type flowmeter Magnetic flowmeter 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-derivative(PD)controller 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity? O₂ CO CO₂ N₂ O₂ CO CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Chromel-alumel Iron-constantan Platinum-platinum/rhodium None of these Chromel-alumel Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Resistance thermometers Thermocouples Gas thermometers Bi-metallic thermometers Resistance thermometers Thermocouples Gas thermometers Bi-metallic thermometers ANSWER DOWNLOAD EXAMIANS APP
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