Which type of sensor is designed to sense an object but ignore the background?
A) Wide-angle diffuse
B) Background suppression sensor
C) Fixed-focus diffuse
D) Polarized retro-reflective
Correct Answer:
Verified
Q2: A relay with heavy-duty contacts is called
Q3: _ switches are automatic devices that consist
Q4: A capacitive proximity switch cannot sense nonconductive
Q5: Rotary switches are sometimes known as _
Q6: Which object characteristics are most easily detected
Q8: There are three basic methods of operating
Q9: Photoelectric switches are contact sensors.
Q10: A(n) _ is a signaling apparatus that
Q11: Thru-beam sensing may be used over distances
Q12: The _ sensor utilizes a focusing lens
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