Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Remains constant Decreases Increases exponentially Increases Remains constant Decreases Increases exponentially 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 Using steel tube in place of glass tube Increasing the diameter of the tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Increasing the diameter of the tube Accounting for the tube expansion Filling nitrogen under pressure in the stem 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 Polarimeter Polarograph PH meter Chromatograph Polarimeter Polarograph 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. Unstable None of these Critically damped Stable Unstable None of these Critically damped Stable ANSWER DOWNLOAD EXAMIANS APP
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