Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is Eτds 1/(τds + 1) E-τds Τds + 1 Eτds 1/(τds + 1) E-τds Τds + 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Platinum-platinum+rhodium Either A, B or C Chromel-alumel Iron-constantan Platinum-platinum+rhodium Either A, B or C Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by -π/2, 0 -π/2, π/2 0, π/2 - ∞, π/2 -π/2, 0 -π/2, π/2 0, π/2 - ∞, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Time None of these Velocity (time)⁻¹ Time None of these Velocity (time)⁻¹ 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 For measuring the temperature of a red hot furnace, which is the most suitable instrument? Bimetallic thermometer Optical pyrometer Thermocouple Platinum resistance thermometer Bimetallic thermometer Optical pyrometer Thermocouple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
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