Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of (time)⁻¹ Velocity Time None of these (time)⁻¹ Velocity Time None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? 1/(s² + 1) S/(s² + 1) S/(s² - 1) 1/(s² - 1) 1/(s² + 1) S/(s² + 1) S/(s² - 1) 1/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? Poor reproducibility High fidelity High drift High measuring lag Poor reproducibility High fidelity High drift High measuring lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Thermocouple Radiation pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response. None of these Frequency Unit step Impluse None of these Frequency Unit step Impluse ANSWER DOWNLOAD EXAMIANS APP
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