What can we use light level photoelectric prox switches to detect?
What will be an ideal response?
With the light level detection photoelectric switch we can tune out or ignore
the background, differentiate between parts on a background, and even detect
transparent objects.
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6 × 6 × 6 is the _____ power of 6.
a. fourth b. third c. square d. sixth
When using site-layout instruments, the readouts for angular measurements are typically expressed in _____
a. degrees Celsius b. delta values c. decimal fractions d. degrees, minutes, and seconds
Calculate the torque produced by a 50 N perpendicular force at the end of a 20 cm-long wrench.
a. 10 N.m b. 1000 N.m c. 2.5 N/m d. 0.4 cm/N
A 165 R14 radial tire costs $39.95, and the Federal Excise Tax (FET) is $1.87. What is the total cost of the tire?
A. $41.00 B. $41.21 C. $41.82 D. $42.56