Question

question 3 (5 points) listen propane also known as lp gas, is often mixed with about ______ percent of other gases, such as butane, propylene, and mercaptan. a) 5 b) 30 c) 20 d) 10 question 4 (5 points) listen the blue sticker on the rear of a vehicle indicates that its designed to use a) hydrogen. b) cng (compressed natural gas). c) lpg (liquid petroleum gas). d) e85.

Explanation:

Question 3

Propane (LP gas) is typically mixed with about 5 percent of other gases like butane, propylene, and mercaptan. Among the options, 5 is the correct percentage.

A blue sticker on a vehicle's rear indicates it's designed for CNG (compressed natural gas). Hydrogen - powered vehicles have different markings, LPG has its own, and E85 is for flex - fuel with a different sticker.

Answer:

A) 5

Question 4