Which of the listed devices is used to...

Question 1 / 270705eccef9bbacbc34ba4d45507

Question 1 of 270705eccef9bbacbc34ba4d45507

Which of the listed devices is used to control the admission of steam to the steam cylinder of a reciprocating pump?

Question 1 of 27070

Which of the listed devices is used to control the admission of steam to the steam cylinder of a reciprocating pump?

🔍 Key Concepts

• Steam reciprocating pump components and their functions • How steam admission to a cylinder is started and stopped in a reciprocating steam mechanism • Difference between parts that transmit motion (rods, crossheads) and parts that actually control steam flow (valving)

💭 Think About

• Which part in the options has a direct role in opening and closing a steam port, rather than just moving back and forth? • Think about what a pilot valve does in general fluid or steam systems—does it control main flow, sense position, or simply transmit motion? • Which device would be most likely to start/stop or meter the steam entering the cylinder rather than just connect mechanical parts?

✅ Before You Answer

• Identify which listed parts are primarily mechanical linkages (transmitting motion) versus control elements (regulating steam flow). • Recall that admission of steam means controlling when and how steam enters the cylinder—look for something that sounds like a valve or valve control device. • Eliminate any choice that only describes a structural member (like a rod or arm) with no inherent flow‑controlling function.

Question 1 of 27070

Which of the listed devices is used to control the admission of steam to the steam cylinder of a reciprocating pump?

Pump rod

Valve operating differential

Pilot valve and operating rod

Crosshead arm

Question 1 / 270705eccef9bbacbc34ba4d45507

Question 1 of 270705eccef9bbacbc34ba4d45507

Which of the listed devices is used to control the admission of steam to the steam cylinder of a reciprocating pump?

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Question 1 of 27070

Which of the listed devices is used to control the admission of steam to the steam cylinder of a reciprocating pump?