Question 171General Subjects - Assistant Engineer70% to pass
Which of the following statements concerning the operation of a single-acting hydraulic ram is correct?
AI Explanation
The correct answer is B) The single-acting ram is not retracted by means of hydraulic force.
In a single-acting hydraulic ram, hydraulic force is only used to extend the ram. The retraction of the ram is typically accomplished by means of a spring or gravity, not through the application of hydraulic force. This is the key distinguishing feature of a single-acting ram compared to a double-acting ram, where hydraulic force is used to both extend and retract the ram.
The other answer choices are incorrect because A) and C) describe the operation of a double-acting ram, while D) describes the operation of a pulling cylinder, not a single-acting ram.
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