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Texas Compressed Natural Gas (CNG) Delivery Truck Driver Practice Exam

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Which of the following is NOT a part of a CNG system?
Correct Answer:
Heating elements
Explanation:
In a compressed natural gas (CNG) system, the components primarily focus on storing, compressing, and safely releasing the stored gas. The cylinders are used to contain the high-pressure natural gas; compressors are crucial for increasing the pressure of the natural gas so that it can be stored in the cylinders; and relief devices are safety mechanisms that prevent over-pressurization by allowing gas to escape if necessary. Heating elements, on the other hand, are not standard components of a CNG system. The purpose of a CNG system is to store and utilize gas at ambient temperatures, and there typically is no need for heating elements in this context. Their absence from this list highlights that they do not play a role in the core functionality of a CNG system.

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