Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R + C 1/RC RC R - C R + C 1/RC RC R - C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Optical pyrometer Specially designed thermocouple Radiation pyrometer None of these Here Optical pyrometer Specially designed thermocouple Radiation pyrometer None of these Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Resistance thermometer Radiation pyrometer Optical pyrometer (disappearing filament type) Thermocouple Resistance thermometer Radiation pyrometer Optical pyrometer (disappearing filament type) Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A second order system A first order time lag Dead time system A first order system A second order system A first order time lag Dead time system A first order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a Large area but small mass All of these High thermal conductivity Small specific heat Large area but small mass All of these High thermal conductivity Small specific heat ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 29 0.1 13 3 29 0.1 13 3 ANSWER DOWNLOAD EXAMIANS APP