Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is 1/(τds + 1) Τds + 1 Eτds E-τds 1/(τds + 1) Τds + 1 Eτds E-τds ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Radiation pyrometer Mercury thermometer Thermocouple Bimetallic thermometer Radiation pyrometer Mercury thermometer Thermocouple Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C. > 800 < 0 > 0 < 100 > 800 < 0 > 0 < 100 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 RC 1/RC R + C R - C RC 1/RC R + C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers Thermocouples ANSWER DOWNLOAD EXAMIANS APP
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