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, 0 0, π/2 - ∞, π/2 -π/2, π/2 -π/2, 0 0, π/2 - ∞, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1/√2 1 0.5 0.25 1/√2 1 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Nichrome Inconel Steel Vycor (a glass) Nichrome Inconel Steel Vycor (a glass) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Air Oil Steam Water Air Oil Steam Water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 1.5 0.2 8 4 1.5 0.2 8 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Resistance thermometer Mercury in glass thermometer None of these Vapor pressure thermometer Resistance thermometer Mercury in glass thermometer None of these Vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
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