Never use a circular saw that does not have an upper blade guard because the _____
A) trigger lock will not work properly
B) saw will not cut cleanly
C) guard protects you from touching the blade
D) saw kerf will be too wide
Answer: C
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What will be an ideal response?
Technician A says that oil pressure is normally higher when the engine is cold. Technician B says that normal engine oil pump pressure ranges from 20 to 80 psi (200 to 400 kPa) or 20 psi for every 1000 engine RPM. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
According to Article 250 of the NEC, motors that are mounted with rubber or other insulating materials that isolate them from the metallic chassis of the equipment need to have a __________ between the motor and the equipment chassis
What will be an ideal response?
The AM commercial radio band in the United States is authorized to operate from 525 kHz to 1.7 MHz. A carrier frequency is assigned to each station, and regulations require them to be separated by 10 kHz. Find:
a. The number of channels that can be accommodated in the given frequency range. b. The maximum modulating frequency that can be transmitted without overlap.