Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 1000 750 250 500 1000 750 250 500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the sensitivity Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the sensitivity Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Maximum differential pressure in liquid manometer is __________ psi. 50 30 40 20 50 30 40 20 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? Thermocouples Optical pyrometer Radiation pyrometer Photoelectric pyrometer Thermocouples Optical pyrometer Radiation pyrometer Photoelectric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order time lag A first order system Dead time system A second order system A first order time lag A first order system Dead time system A second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Invar Brass Chromel Nickel Invar Brass Chromel Nickel ANSWER DOWNLOAD EXAMIANS APP
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