The thermocouple instrument will measure
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ECE · all questionsMeasurement And Instrumentation
Measurement And Instrumentation
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The thermocouple instruments do not have
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Which of the following instruments can be used to measure AC current only?
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Wien bridge is useful for measuring
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When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is
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The function of the Q-meter is to measure:
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The expected value of the voltage across a resistor is 80 V. However, the voltmeter reads 79 V. The absolute error in the measurement is
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In final stage of ecological succession dynamic balance between species and physical environment takes place, which is called
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Match List-I with List-II and select the correct answer by using the options given below:
| List-I | List-II |
| a. Digital Counter | 1. Measurement of harmonic |
| b. Scherring bridge | 2. Measurement of frequency |
| c. Meggar | 3. Measurement of loss angle in a dielectric |
| d. Spectrum Analyzer | 4. Measurement of insulation resistance |
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The active transducer in the measurement of pressure is
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An inductive pick-up is used to measure speed of a shaft on which a 120 tooth-wheel is attached. The number of pulses produced per second is 3000. What is the RPM of the shaft?
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Very small displacements are effectively measured using
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The bridge best suited for measurement of mutual inductance is:
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For a dynamometer-type instrument, the incorrect statement from the following is:
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The device possessing the highest photosensitivity is a
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Which one of the following is correct? The generated emf of tachogenerator is
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Which of the following line telemetry systems are available?
1. Voltage telemetry system
2. Current telemetry systems
3. Positions telemetry systems
4. Resistivity telemetry systems
1. Voltage telemetry system
2. Current telemetry systems
3. Positions telemetry systems
4. Resistivity telemetry systems
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Which one of the following is not used for measurement of density?
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Input and output from a common-base amplifier are fed to an oscilloscope to see their phase relationship. The Lissajous figure is:
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The force between two charged particle is given by, where the symbols have their usual meanings. The dimensions of ∈0 in free space in SI system are:
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