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UPSC ESE 2018 Mechanical Engineering Paper

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Question : 8 of 148

Marks: +1, -0

The indirect operation of solenoid valve in pneumatic circuit is designed to reduce
1. valve size towards lowering the cost
2. coil size and electrical power consumption
3. response time
Which of the above is/are relevant to the context?

1 only
2 only
3 only
1, 2 and 3

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