Ideal Incompressible Water Flows Through a Horizontal Pipe of Cross-Sectional

question 20

Multiple Choice

Ideal incompressible water flows through a horizontal pipe of cross-sectional area 10.0 cm² at a pressure of 0.250 atm with a volume flow rate of 1.00 × 10^-3 m³/s.At a valve,the effective cross-sectional area of the pipe is reduced to 5.00 cm².What is the pressure at the valve?

• A)0.112 atm
• B)0.157 atm
• C)0.200 atm
• D)0.235 atm

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Definitions:

Predetermined Overhead Rate

A rate calculated at the beginning of the period, used to allocate overhead costs to products based on a specific activity base.

Machine Hours

Machine hours represent the total amount of time that machines are operating in a manufacturing or production process.

Direct Labour Hours

The total hours worked by employees directly involved in the production process, used to allocate labor costs to products or services.

Predetermined Overhead Rates

Rates used in costing that are established in advance to allocate overhead costs based on estimated expenditures.