Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High drift Poor reproducibility High measuring lag High fidelity High drift Poor reproducibility High measuring lag High fidelity ANSWER DOWNLOAD EXAMIANS APP
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 Using steel tube in place of glass tube Increasing the diameter of the tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Using steel tube in place of glass tube Increasing the diameter of the tube Filling nitrogen under pressure in the stem Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an V-notch Cipolletti weir Orifice meter Rectangular weir V-notch Cipolletti weir Orifice meter Rectangular weir ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here Embrittlement of iron occurs Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here Embrittlement of iron occurs ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. > 3 < 0.1 < 1 < 3 > 3 < 0.1 < 1 < 3 ANSWER DOWNLOAD EXAMIANS APP
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