Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Radiation/infrared pyrometer Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer Radiation/infrared pyrometer Mercury in glass thermometer Thermo electric pyrometer Filled system thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High measuring lag Poor reproducibility High drift High fidelity High measuring lag Poor reproducibility High drift High fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A pyranometer is an instrument used for measuring the None of these Global radiation Bright sunshine period Beam radiation None of these Global radiation Bright sunshine period Beam radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is an example of distributed parameter system None of these On-off controller CSTR Tubular reactor None of these On-off controller CSTR Tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the Electrical resistance through the paper Thermal conductivity through the paper None of these Magnetic susceptibility Electrical resistance through the paper Thermal conductivity through the paper None of these Magnetic susceptibility ANSWER DOWNLOAD EXAMIANS APP
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