A thermocouple is connected to a data acquisition system which is used to measure temperature of air in a duct. For a step-input, the system measures the temperature accurately at steady state. Assume the dynamics of the sensor(thermocouple) limit the system's speed of response. The sensor has a time constant of 0.5 sec. In a given situation, the duct's air temperature varies with time as a sinusoid of frequency 2 rad/s with amplitude of 10°C. In this case, the measured temperature by the system is a sinusoid as well, as a function of time. The amplitude of this (measured) sinusoid, at steady-state, is closest to: Select one: а. 10°с O b. 5°C C. 3°C d. 7°C

A thermocouple is connected to a data acquisition system which is used to measure temperature of air in a duct. For a step-input, the system measures the temperature accurately at steady state. Assume the dynamics of the sensor(thermocouple) limit the system's speed of response. The sensor has a time constant of 0.5 sec. In a given situation, the duct's air temperature varies with time as a sinusoid of frequency 2 rad/s with amplitude of 10°C. In this case, the measured temperature by the system is a sinusoid as well, as a function of time. The amplitude of this (measured) sinusoid, at steady-state, is closest to: Select one: а. 10°с O b. 5°C C. 3°C d. 7°C

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Chemical and Phase Equilibrium

Phase diagrams or equilibrium phase diagrams are the graphical representations that show the phase transformations of the constituting elements with respect to the pressure, temperature, and compositions. The diagrams show the conditions that limit the different phases, namely solid, liquid, and gas. The diagram can also be utilized to verify the relations between the state variables. Most of the phase diagrams are temperature-pressure phase diagrams, with the variable parameter as the composition. Usually other variables such as solubility and pressure parameters are not indicated in the phase diagram. For a one-component system (unary phase diagram), the phase diagram is generally a function of temperature and pressure as the state variables, or temperature and volume. However, for a binary system (two-phase) having two components, the phase diagram is a function of temperature and composition as the state variables only. Coexisting of the different phases of the constituting elements is indicated in the phase diagram. A ternary phase diagram can be characterized by consisting of three phases in equilibrium.

Question

A thermocouple is connected to a data acquisition system which is used to measure temperature of air
in a duct. For a step-input, the system measures the temperature accurately at steady state. Assume the
dynamics of the sensor(thermocouple) limit the system's speed of response. The sensor has a time
constant of 0.5 sec. In a given situation, the duct's air temperature varies with time as a sinusoid of
frequency 2 rad/s with amplitude of 10°C. In this case, the measured temperature by the system is a
sinusoid as wellI, as a function of time. The amplitude of this (measured) sinusoid, at steady-state, is
closest to:
Select one:
а.
10°C
b. 5°C
С.
3°C
O d. 7°C

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