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Measurement and Instrumentation

Measurement and Instrumentation
Piezoelectric effect is carried out in

  composite filter.
  constant k prototype.
  m derived.
  crystal filter.

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Measurement and Instrumentation
A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ?

 0.15 N
 3.33 N
 6.66 N
 0.3 N

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Measurement and Instrumentation
The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as

 (400 ± 3) A
 (400 ± 1) A
 (400 ± 2.24) A
 (400 ±5) A

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Measurement and Instrumentation
Which of the quantity consists of unit as Pascal ?

 Impulse
 Temperature
 Force
 Pressure

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Measurement and Instrumentation
Which of the quantity consists of unit as kg m/sec ?

 Momentum
 Speed
 Acceleration
 Impulse

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Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

  a circle.
 an ellipse.
 sinisoidal.
 a straight line.

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