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Re: A rotameter is a device that measures flow of liquid and gases. When [#permalink]
Bunuel wrote:
A rotameter is a device that measures flow of liquid and gases. When measuring liquid phase flows, 2.5 inches represent 60 liters per minute of liquid. With gas measurements the rotameter moves 50% of the movement he moves with the liquid phase. How many liters of gas passed through the rotameter if it measured 4 inches?

A. 176
B. 192
C. 202
D. 218
E. 284


In case of liquid- 2.5 inches represents 60 lit/min.

In case of gas- 50% of 2.5 inches represents 60 lit/min

1.25 inches represents 60 lit /min

4 inches will represent 60*4/1.25= 192

B is the answer
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Re: A rotameter is a device that measures flow of liquid and gases. When [#permalink]
Bunuel wrote:
A rotameter is a device that measures flow of liquid and gases. When measuring liquid phase flows, 2.5 inches represent 60 liters per minute of liquid. With gas measurements the rotameter moves 50% of the movement he moves with the liquid phase. How many liters of gas passed through the rotameter if it measured 4 inches?

A. 176
B. 192
C. 202
D. 218
E. 284


2.5/2=1.25 inches for 60 litres
then 4 inches will give us how many litres?

4*60/1.25=192 litres

Answer: B
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Re: A rotameter is a device that measures flow of liquid and gases. When [#permalink]
(4/2.5 )*2*60=192 B


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Re: A rotameter is a device that measures flow of liquid and gases. When [#permalink]
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Re: A rotameter is a device that measures flow of liquid and gases. When [#permalink]
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