Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is Eτds Τds + 1 1/(τds + 1) E-τds Eτds Τds + 1 1/(τds + 1) E-τds ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Thermo electric pyrometer Mercury in glass thermometer Radiation/infrared pyrometer Filled system thermometer Thermo electric pyrometer Mercury in glass thermometer Radiation/infrared pyrometer Filled system thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -10 10 20 -20 -10 10 20 -20 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 1 50 10 100 1 50 10 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 120° 180° 30° 90° 120° 180° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
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