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Question

Oxygen masks works on the principle of

A
Electric motor
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B
Pump
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C
Heater
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D
None of the above
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Solution

The correct option is B Pump
Oxygen masks works on the principle of pumps. High pressure oxygen is filled in the cylinder and connected by a tube to the nostrils of the patient. When the patient inhales, oxygen rushes from the cylinder to the lungs to replenish it with oxygen.

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