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Question

Which component in a pneumatic system stores compressed air before it is distributed to the workshop machines?

This question was previously asked in
RRB ALP 2025 CBT 2 Wiremen Question Paper (28-Jul-2026) (Shift 2)
The correct answer is

The air receiver tank stores compressed air for later use

A pneumatic system needs a buffer between the device that makes compressed air and the machines that use it, because demand rises and falls while the compressor runs in steady cycles.

Without such storage, every tool would draw directly off the compressor and the delivery pressure would surge and dip with each stroke.

The air receiver tank is that storage vessel; it holds a reserve of compressed air so the system can meet sudden peaks in demand without stalling.

The tank also smooths out the pressure pulsations from the compressor and gives the air time to cool, letting some moisture settle out at its base before distribution.

The air compressor generates compressed air by raising its pressure, but it does not store it; it only feeds the receiver.

A regulator merely sets and holds the delivery pressure to each machine, and a filter cleans the air of dust and moisture; neither one stores air.

The component whose defining job is to hold the air is the receiver tank.

The air receiver tank stores compressed air for later use

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Important Questions from Pneumatics and Hydraulics

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