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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 | |