Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Mercury in glass thermometer Vapor pressure thermometer Resistance thermometer Constant volume gas thermometer Mercury in glass thermometer Vapor pressure thermometer Resistance thermometer Constant volume gas thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of offset Elimination of offset Reduction of stability time None of these Reduction of offset Elimination of offset Reduction of stability time None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with a double pole at the origin is unstable since the corresponding term in the time domain Grows exponentially with time Grows linearly with time Decays linearly with time Is a constant Grows exponentially with time Grows linearly with time Decays linearly with time Is a constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 100 1 50 10 100 1 50 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these ANSWER DOWNLOAD EXAMIANS APP