Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Optical pyrometer Radiation pyrometer Photoelectric pyrometer Thermocouples Optical pyrometer Radiation pyrometer Photoelectric pyrometer Thermocouples ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be None of these Over damped Critically damped Under damped None of these Over damped Critically damped Under damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. Pointer Bulb None of these Bourdon tube Pointer Bulb None of these Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Tungsten-molybdenum Iron-constantan Chromel-alumel Platinum-rhodium Tungsten-molybdenum Iron-constantan Chromel-alumel Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. 0 to 100 400 - 1000 100 - 500 -10 to 20 0 to 100 400 - 1000 100 - 500 -10 to 20 ANSWER DOWNLOAD EXAMIANS APP
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