Virtual Labs

Design and develop a P & ID for Temperature sensors calibration set-up

What is the definition of calibration

a: Calibration is the process of configuring an instrument to provide a result for a sample within an acceptable range Explanation

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b: Calibration is configuring and verifying a measuring instrument's accuracy to ensure its readings match a known standard Explanation

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c: Calibration means comparing with standard device and adjusting it for accuracy within the limit Explanation

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d: All Explanation

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What is traceability?

a: Traceability is the ability to identify and follow something or someone, or to keep track of information Explanation

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b: Traceability in calibration is the ability to link the readings of a measuring instrument to a known reference standard Explanation

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c: Traceability means knowing and documenting the reference instrument used for calibration of device under test Explanation

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d: All Explanation

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What should be the standard operating region of the sensors used in any idustry?

a: 20% to 80 % Explanation

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b: 30 % to 70% Explanation

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c: 0 % to 100 % Explanation

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d: 10% to 90 % Explanation

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On what basis the sensors are selected for specific application in an industry?

a: Range of the sensor Explanation

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b: Accuracy and Linearity in the operating region Explanation

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c: Cost of the sensor Explanation

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d: All Explanation

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In which stage of the project the design strategy is freezed?

a: At the time of proposal Explanation

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b: At the time of Errection stage Explanation

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c: At the time of Commissioing stage Explanation

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d: At the time of detailed engieering Explanation

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As a standard practice how much settling time we should configure for storing the readings to PLC for this set-up?

a: Depends on plant lay-out Explanation

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b: Depends on settling time of sensor Explanation

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c: Greater than the settling time of sensor but minimum equal to settling time of process Explanation

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d: The scan time of PLC Explanation

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For calibration of temperature sensor in your opinion which sensor will be the best as 'Standard' sensor?

a: RTD Explanation

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b: Thermocouple Explanation

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c: Thermister Explanation

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d: Fiber optic Explanation

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What safety feature needs to be included in this set-up so as to avoid any accident?

a: Necessary interlocks Explanation

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b: Emergency STOP push button Explanation

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c: Redundancy at PLC level Explanation

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d: 'Fail Safe' operation for all components Explanation

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Will there be any effect of installation of temperature sensor in thesystem as regards to accuracy of the readings?

a: Yes Explanation

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b: No Explanation

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Will there be any change in calibration set-up as regards to application for which it will be used?

a: Yes Explanation

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b: No Explanation

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