Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Thermocouple Resistance thermometer Radiation pyrometer Optical pyrometer (disappearing filament type) Thermocouple Resistance thermometer Radiation pyrometer Optical pyrometer (disappearing filament type) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Sum Difference Product Ratio Sum Difference Product Ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Current Flux density Voltage Light intensity Current Flux density Voltage Light intensity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a damped oscillatory characteristics Is unstable Is overdamped Has a non-zero slope at the origin Has a damped oscillatory characteristics Is unstable Is overdamped Has a non-zero slope at the origin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop On-off control More than one feed-back loop Feed forward control One feed-back loop On-off control More than one feed-back loop Feed forward control ANSWER DOWNLOAD EXAMIANS APP
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