Process Control and Instrumentation Thermal wells are used in the temperature measurement to Reduce measuring lag Increase the fidelity Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the fidelity Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is an example of distributed parameter system Tubular reactor CSTR On-off controller None of these Tubular reactor CSTR On-off controller None of these 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
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 36 68 54 12 36 68 54 12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? 30% iron + 70% nickel Copper Lead Nickel 30% iron + 70% nickel Copper Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Faster and non-oscillatory Faster and oscillatory Slower and non-oscillatory Slower and oscillatory Faster and non-oscillatory Faster and oscillatory Slower and non-oscillatory Slower and oscillatory ANSWER DOWNLOAD EXAMIANS APP
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