Technician a Says That a Spool Valve Can Be Positioned

question 61

Multiple Choice

Technician A says that a spool valve can be positioned manually by springs or by hydraulic pressure. Technician B says that spool valves can have multiple lands with different diameters. Who is correct?

• A) Technician A
• B) Technician B
• C) Both technicians
• D) Neither technician

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Definitions:

Conglomerate

A sedimentary rock composed of rounded clasts of varying sizes cemented together by a matrix.

Shale

A fine-grained clastic sedimentary rock formed by the consolidation of clay and other fine-grained material.

Well Sorted

Describes sedimentary particles that are uniform in size, indicating a specific and stable environment of deposition.

Uniformly-Sized Sand

Sand particles that have a consistent size throughout a sample, indicating specific processes of deposition or erosion.