Process Control and Instrumentation Pick out the first order system from among the following. Damped vibrator Non-interacting system of two tanks in series Interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Damped vibrator Non-interacting system of two tanks in series Interacting system of two tanks in series Mercury in glass thermometer kept in boiling water 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 Magnetic flowmeter Turbine flowmeter Pitot tube Flow nozzle type flowmeter Magnetic flowmeter Turbine flowmeter Pitot tube Flow nozzle type flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Bi-metallic thermometers Thermocouples Resistance thermometers Gas thermometers Bi-metallic thermometers Thermocouples Resistance thermometers Gas thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D⁴ D D² D³ D⁴ D D² D³ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS