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 Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Optical activity of a solution can be determined using a Polarograph Polarimeter Refractrometer Dilatometer Polarograph Polarimeter Refractrometer Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be Under damped None of these Critically damped Over damped Under damped None of these Critically damped Over damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The pressure sensing element of elastic type pressure gauge is never made in the form of a Bellow Diaphragm Bourdon tube Strip Bellow Diaphragm Bourdon tube Strip ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Platinum-platinum + rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum + rhodium Copper-constantan Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R - C R + C RC 1/RC R - C R + C RC 1/RC ANSWER DOWNLOAD EXAMIANS APP