Key Topic 100: Safety Steps

Question 1

3-100Q1: What device can protect a transmitting station from a direct lightning hit?

A. Lightning protector.
B. Grounded cabinet.
C. Short lead in.
D. There is no device to protect a station from a direct hit from lightning.

Answer 1

D. There is no device to protect a station from a direct hit from lightening.

Question 2

3-100Q2: What is the purpose of not putting sharp corners on the ground leads within a building?

A. No reason.
B. It is easier to install.
C. Lightning will jump off of the ground lead because it is not able to make sharp bends.
D. Ground leads should always be made to look good in an installation, including the use of sharp bends in the corners.

Answer 2

C. Lightning will jump off of the ground lead because it is not able to make sharp bends.

Question 3

3-100Q3: Should you use a power drill without eye protection?

A. Yes.
B. No.
C. It’s okay as long as you keep your face away from the drill bit.
B. Only in an extreme emergency.

Answer 3

B. No.

Question 4

3-100Q4: What class of fire is one that is caused by an electrical short circuit and what is the preferred substance used to extinguish that type of fire?

A. FE28.
B. FE29.
C. FE30.
D. FE31.

Answer 4

C. FE30.

Question 5

3-100Q5: Do shorted-stub lightning protectors work at all frequencies?

A. Yes.
B. No, the short also kills the radio signals.
C. No, the short enhances the radio signal at the tuned band.
D. No, only at the tuned frequency band.

Answer 5

D. No, only at the tuned frequency band.

Question 6

3-Q100Q6: What is a GFI electrical socket used for?

A. To prevent electrical shock by sensing ground path current and shutting the circuit down.
B. As a gold plated socket.
C. To prevent children fro sticking objects in the socket.
D. To increase the current capacity of the socket.

Answer 6

A. To prevent electrical shock by sensing ground path current and shutting the circuit down.