A Horizontal Tube Consists of a 7

question 65

Multiple Choice

A horizontal tube consists of a 7.0-cm diameter pipe that narrows to a 2.0-cm-diameter throat. In the pipe, the water pressure is twice atmospheric pressure and the water flows with a speed of 0.40 m/s. What is the pressure in the throat, assuming that the water behaves like an ideal fluid? The density of water is 1000 kg/m³, and atmospheric pressure is 1.01 × 10⁵ Pa.

• A) 1.9 atm
• B) 0.12 atm
• C) 2.1 atm
• D) 2.0 atm

Distinguish between input and output streams.

Identify and use classes and methods related to file and stream operations in Java.

Recognize common exceptions related to file operations and handle them.

Understand the function and usage of different file classes in Java.

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