Virtual Labs

1. A Temperature Control System is known as:

a: Process Control System Explanation

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b: Servomechanism Explanation

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c: Cascade Control System Explanation

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d: None of The above Explanation

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2. The time constant of a servo control system can be decreased by

a: Decreasing the inertia of the system Explanation

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b: Decreasing the damping of the system Explanation

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c: Both of the above Explanation

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d: None of the above Explanation

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3. Identify the transducer not used for the measurement of temperature.

a: Thermocouple Explanation

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b: RVDT Explanation

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c: RTD Explanation

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d: Pyrometer Explanation

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4. RTD and Thermistors are _____ transducers.

a: Passive and analog Explanation

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b: Passive and digital Explanation

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c: Active and digital Explanation

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d: Active and analog Explanation

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5. The function of the proportional mode is to ____________?

a: Provide Gain Explanation

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b: Eliminate Offsets Explanation

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c: To speed up the response and minimize the overshoot Explanation

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d: All of the above Explanation

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6. The function of the proportional plus integral mode is to ____________?

a: Provide Gain Explanation

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b: Eliminate Offsets Explanation

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c: To speed up the response and minimize the overshoot Explanation

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d: All of the above Explanation

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7. Gain and proportional bands are

a: Two different control modes Explanation

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b: Reciprocally related Explanation

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c: Adjusted independently of one another Explanation

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d: Controller functions calibrated in time units Explanation

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8. The term reset control refers to ____ control

a: Derivative Explanation

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b: Integral Explanation

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c: Proportional Explanation

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d: None of the above Explanation

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9. Which of the following is an active transducer ?

a: Strain gauge Explanation

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b: Thermistor Explanation

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c: LVDT Explanation

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d: Thermocouple Explanation

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10. In which one of the following temperature sensors, the excitation or power is needed?

a: Thermocouple Explanation

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b: Semiconductor temperature sensor Explanation

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c: Thermistor Explanation

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d: None of the above Explanation

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