Proximity detectors usually use a ________ switch in conjunction with a magnet
A) normally closed B) solenoid C) reed D) optical
C
You might also like to view...
Which of the following is a personal safety hazard associated with compressors?
A. High pressure B. High temperatures C. Slipping due to leaks D. All of the above
The subsequent problems deal with the circuit below where:R1=5k?, R2=10k?, R3=5k?, R4=10k?, R5=10k?, V1=5V, and V2=10V.
What is the voltage across R2?
A. 2/3 V B. 10/3 V C. 1/3 V D. 1/2 V E. 5/3 V
What is the most accurate method of checking the degree of antifreeze protection of an ethylene glycol (EG) coolant mixture?
A. Litmus paper B. Refractometer C. Thermometer D. Hydrometer
The ____________________ view of population and resources is that the world population will eventually cause severe shortages of some resources.
Fill in the blank(s) with the appropriate word(s).