Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Remains constant Increases exponentially Increases Decreases Remains constant Increases exponentially Increases Decreases 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 Accounting for the tube expansion Increasing the diameter of the tube Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Accounting for the tube expansion Increasing the diameter of the tube Filling nitrogen under pressure in the stem Using steel tube in place of glass tube 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 Polarimeter Polarograph Chromatograph PH meter Polarimeter Polarograph Chromatograph PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order system A first order time lag A second order system Dead time system A first order system A first order time lag A second order system Dead time system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped Unstable None of these Stable Critically damped Unstable None of these Stable ANSWER DOWNLOAD EXAMIANS APP
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