Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Iron-constantan Copper - constantan Chromel - alumel Platinum - platinum + rhodium Iron-constantan Copper - constantan Chromel - alumel Platinum - platinum + rhodium 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 Photoelectric pyrometer Optical pyrometer Radiation pyrometer Thermocouples Photoelectric pyrometer Optical pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Resistance pyrometer Optical pyrometer Radiation pyrometer Infra red pyrometer Resistance pyrometer Optical pyrometer Radiation pyrometer Infra red pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Codify/decodify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Amplify the input signal Codify/decodify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Amplify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by Reducing the volume of the receiving element to a minimum All of these Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum All of these Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
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