Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases exponentially Remains constant Decreases Increases Increases exponentially Remains constant Decreases Increases 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 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 Filling nitrogen under pressure in the stem Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a PH meter Chromatograph Polarograph Polarimeter PH meter Chromatograph Polarograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A second order system A first order system Dead time system A first order time lag A second order system A first order system Dead time system A first order time lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped Stable Unstable None of these Critically damped Stable Unstable None of these ANSWER DOWNLOAD EXAMIANS APP
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