Process Control and Instrumentation Pick out the first order system from among the following. Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is Eτds 1/(τds + 1) Τds + 1 E-τds Eτds 1/(τds + 1) Τds + 1 E-τds ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum + rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D² D D⁴ D³ D² D D⁴ D³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Bars Wires Strips Beads Bars Wires Strips Beads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a mechanical pressure sensing element? U-tube Bellows Bourdon tube Diaphragm U-tube Bellows Bourdon tube Diaphragm ANSWER DOWNLOAD EXAMIANS APP