What advantage does a volt meter have over a non-contact voltage indicator when testing for voltage?
A) They can work without touching the energized component.
B) They are less expensive.
C) They connect wirelessly to smartphones.
D) Volt meters read the specific voltage level present.
Question 2
Why are pipe threads tapered?
A) It is simply not practical to make them any other way.
B) The taper allows room for pipe sealing compound between the threads.
C) The tapered threads create a smooth inner joint to improve flow.
D) The taper allows pipe threads to tighten and seal.