Engine: Engineering Safety

1. A As gas samples are drawn into the instrument they are burned within the case.
2. B If there is any liquid in the tank being tested, the sampling tube should be submerged in it to obtain the most accurate reading.
3. C If the meter moves to the extreme right side of the scale and stays there, the atmosphere is safe.
4. D Meter readings are obtained instantaneously upon release of the squeeze bulb.

Tip: press A-D to answer