Which of the following is NOT true about infrared light?
A. it can be used in directed transmissions
B. it can be used in diffused transmissions
C. it is less susceptible to interference from visible light sources
D. all infrared signals are invisible
Answer: D
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What information gathering techniques do you think would work best with the scenario and why?
You are working on a robot that has a servo drive alarm and find blown fuses on the drive. In the course of gathering information, you discover that the motor has a loose connection, which caused it to overheat, damaging the internal windings and the motor encoder. Once you replace the motor and encoder, you get another servo drive alarm that indicates there is a bad card in the drive.
Air is compressed using an adiabatic quasi-equilibrium process from 100 kPa and 20°C to 800 kPa. The temperature T2 is nearest:
A) 260°C B) 280°C C) 300°C D) 320°C
1000 watt-hours equal 1 ___________.
a. kVA b. kWH c. mA d. kV
A Lambda of 0.97 means that the engine is operating ________ rich and has an air-fuel mixture of ________
A) 13%, 15.7:1 B) 0.3%, 14.1:1 C) 1%, 14.7:1 D) 3%, 14.3:1