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 Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Bi-metallic thermometers Thermocouples Gas thermometers Resistance thermometers Bi-metallic thermometers Thermocouples Gas thermometers Resistance thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Hot wire anemometer Polarograph Mass spectrometer Thermal conductivity cell Hot wire anemometer Polarograph Mass spectrometer Thermal conductivity cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Very high temperatures only Both high and low temperatures Liquid temperatures only Very low temperatures only Very high temperatures only Both high and low temperatures Liquid temperatures only Very low temperatures only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 1000 250 750 500 1000 250 750 500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is 1 43838 44020 -1 1 43838 44020 -1 ANSWER DOWNLOAD EXAMIANS APP
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