Water Supply System
DRIVER OPERATOR MOBILE WATER SUPPLY COMPREHENSIVE
Calculations
QUESTIONS AND ANSWERS |2026 LATEST UPLOAD |ALREADY
GRADED A+
1. In the context of water supply systems, which of the following correctly
represents the relationship between pressure, force, and area?
Pressure = Area / Force
Pressure = Force + Area
Pressure = Force / Area
Pressure = Force - Area
2. How is the pressure difference from elevation change (static head)
calculated?
Multiply the vertical height by 0.433 psi/ft
Divide the vertical height by 0.433 psi/ft
Add the vertical height to 0.433 psi/ft
Subtract 0.433 psi/ft from the vertical height
3. Consider flow through two round pipes. Pipe A has twice the diameter of
pipe B. The mean velocity in each pipe is the same. What is Qa/Qb?
1
2
4
8
4. What is the weight of one cubic foot of water in pounds?
, 32.0 lbs/ft^3
62.4 lbs/ft^3
8.34 lbs/ft^3
DRIVER OPERATOR MOBILE WATER SUPPLY COMPREHENSIVE
Calculations
QUESTIONS AND ANSWERS |2026 LATEST UPLOAD |ALREADY
GRADED A+
1. In the context of water supply systems, which of the following correctly
represents the relationship between pressure, force, and area?
Pressure = Area / Force
Pressure = Force + Area
Pressure = Force / Area
Pressure = Force - Area
2. How is the pressure difference from elevation change (static head)
calculated?
Multiply the vertical height by 0.433 psi/ft
Divide the vertical height by 0.433 psi/ft
Add the vertical height to 0.433 psi/ft
Subtract 0.433 psi/ft from the vertical height
3. Consider flow through two round pipes. Pipe A has twice the diameter of
pipe B. The mean velocity in each pipe is the same. What is Qa/Qb?
1
2
4
8
4. What is the weight of one cubic foot of water in pounds?
, 32.0 lbs/ft^3
62.4 lbs/ft^3
8.34 lbs/ft^3
