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Measurements and instruments Practice Questions & Answers

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In an Anderson bridge, the unknown inductance is measured in terms of

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In an Anderson bridge, the unknown inductance is measured in terms of
1). Known inductance and resistance
2). Known capacitance and resistance
3). Known resistance
4). Known inductance

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The repeat accuracy of an instrument can be judged from its

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The repeat accuracy of an instrument can be judged from its
1). static error
2). linearity error
3). dynamic error
4). standard deviation of error

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An instrument to be used for measurement and control should preferably have

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An instrument to be used for measurement and control should preferably have
1). Dead zone and dead time
2). Linear output and fast response
3). Non-linear output
4). A highly damped response

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Operating torques in analogue instruments are

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Operating torques in analogue instruments are
1). deflecting and control
2). deflecting and damping
3). deflecting, control and damping
4). vibration and balancing

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The sensitivity of an instrument is

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The sensitivity of an instrument is
1). Smallest increment in the output that can be detected with certainty
2). Largest input change to which the instrument fails to respond
3). Ratio of the change in the magnitude of the output to the corresponding change in the magnitude of the input
4). Closeness of the output values for repeated applications of constant input