Fluid Pressure Problems

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What is the unit of pressure when K is equal to 0.4333?

ft
m
kPa
psi (correct)

What is the pressure at a depth of 10 m below the surface of a lake?

294.21 kPa
98.07 kPa (correct)
49.035 kPa
196.14 kPa

What is the purpose of a conservation equation?

To measure the density of a fluid
To simplify the volumetric analysis of a fluid
To calculate the pressure of a fluid
To account for all components being 'conserved' (correct)

What is the unit of density of milk in the given problem?

kg/m³ (A) Signup and view all the answers

What is the value of u in the given equation?

3.09 m/s (B) Signup and view all the answers

What is the unit of the total head at a pipe outlet?

ft (B) Signup and view all the answers

What is the pressure at a depth of 2 m below the milk surface?

120.2 kPa (D) Signup and view all the answers

What is the Continuity Equation also referred to as?

Conservation of Mass (C) Signup and view all the answers

What is the primary reason for keeping velocities low in pipes?

To avoid high friction losses (D) Signup and view all the answers

What is the conversion constant used to calculate pressure energy?

0.4333 psi/ft (D) Signup and view all the answers

What is the main reason for a pressure difference in a pipe?

To produce flow of fluid (C) Signup and view all the answers

What is the contribution of the kinetic energy term to the total head?

A small amount (C) Signup and view all the answers

What is the requirement for the conservation of mass in Figure 4.02a?

Flow across plane 1 is equal to the flow across plane 2 (B) Signup and view all the answers

What is the relationship between velocity and pipe diameter derived from Equation 4.02?

u1/u2 = d2/d1 (D) Signup and view all the answers

What is the equation for the output flow in Figure 4.02b?

Q1 = Q2 + Q3 (B) Signup and view all the answers

What is the unit of measurement for the change in volume of liquid in the tank?

m3 (A) Signup and view all the answers

What is the value of the flow rate downstream of the tap in Example 4.3?

1.3 L/s (C) Signup and view all the answers

What is the formula used to find the velocity in the continuity relationship?

Q = A × u (B) Signup and view all the answers

What occurs when the Reynolds number is large in a flow?

Flow is turbulent with particles 'bouncing' about (B) Signup and view all the answers

What is the purpose of a weir or a flume in open channel flow?

To measure fluid flow rate (B) Signup and view all the answers

What is the primary factor that affects flow rate over a weir?

Fluid height above the weir (D) Signup and view all the answers

What is the purpose of charts for specific flume sizes?

To perform complex computations for flow (D) Signup and view all the answers

What is the shape of the weir described by the equation Q = 1.375 h^5/2?

Triangular weir with θ = 90° (C) Signup and view all the answers

What is the unit of measurement for Q in the equation Q = Cwh^n?

Cubic meters per second (B) Signup and view all the answers

What is the relationship between the flow rate and pressure difference across an orifice?

flow rate is directly proportional to the square root of pressure difference (D) Signup and view all the answers

What is the purpose of developing a calibration curve for a variable speed peristaltic pump?

to establish a relationship between pump speed and flow rate (D) Signup and view all the answers

What is the unit of flow rate in the orifice equation?

L/min (B) Signup and view all the answers

What is the relationship between the flow rate and the water depth above the weir opening in a triangular weir?

flow rate is proportional to the square root of the water depth (D) Signup and view all the answers

What is the orifice coefficient used to describe?

the discharge coefficient of the orifice (C) Signup and view all the answers

What is the purpose of measuring the pressure difference across an orifice?

to determine the flow rate (C) Signup and view all the answers