1.

What is the formula for overall magnification of pneumatic comparator? (Where, λ is the length of scale of pressure measuring device and La is the average separation between nozzle surface and surface to be gauged)

A. 0.4*λ/La
B. 0.7*λ/La
C. 0.4*λ*La
D. 0.4*λ/Lab) 0.7*λ/Lac) 0.4*λ*Lad) 0.7*λ*La
Answer» B. 0.7*λ/La


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