In the measurement of surface roughness, height of 16 successive peaks and troughs were measured from a datum and were: 25, 43, 23, 33, 19, 40, 37, 26, 35, 22, 38, 27, 36, 25, 41 and 21 µm. ...Read more
Mazurek Gravity Latest Questions
A second order pressure transducer has a natural frequency of 1000 rad/sec and damping ratio of 0.29. Its static sensitivity is 0.02 V/bar. Using Fourier transforms method; plot the frequency response of the input signal and the output ...Read more
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A capacitive transducer consists of two plates of diameter 2.2 cm each, separated by an air gap of 0.25mm. Find the displacement sensitivity.
In the resistance strain gauge arrangement of Fig. 4.72 strain gauge resistance R1=R2=R3=R4= 120ΩEb=9V. If the output voltage of the bridge is 20mV, find the value of force applied to the strip. Thickness t of the strip =1mm. Width b of strip =10mm. Young’s modulus E of strip ma– Read more
A quartz crystal has charge sensitivity of 2 pC/N. Its dielectric constant is 4.4 and Young’s modulus is 9×10¹⁰ Pa. Find the voltage sensitivity constant.