Science Flashcards
True or False: Plumbing systems only deal with water.
False
What is the term for the pressure that pushes water through pipes?
Hydraulic pressure
Fill in the blank: The _______ principle states that fluid in motion tends to stay in motion unless acted upon by an external force.
Inertia
What device is used to prevent backflow in plumbing systems?
Backflow preventer
What is the primary function of a trap in plumbing?
To prevent sewer gases from entering buildings.
True or False: The diameter of pipes affects water flow rate.
True
What is the common unit of measurement for water pressure?
Pounds per square inch (PSI)
What does the term ‘head’ refer to in plumbing?
The height of a fluid column that generates pressure.
Multiple Choice: Which of the following materials is commonly used for water pipes? A) PVC B) Wood C) Glass D) All of the above
A) PVC
What is the role of a pressure regulator in a plumbing system?
To maintain consistent water pressure.
Fill in the blank: The _______ principle explains how water moves through pipes.
Bernoulli
What is a common cause of water hammer in plumbing systems?
Sudden changes in water flow.
True or False: Hot water rises while cold water sinks.
True
What is the purpose of a drain field in a septic system?
To disperse wastewater into the ground.
What type of valve is used to control water flow in plumbing systems?
Gate valve
Multiple Choice: Which factor does NOT affect pipe flow? A) Pipe diameter B) Fluid viscosity C) Pipe length D) Color of the pipe
D) Color of the pipe
What is the significance of the ‘vent’ in plumbing?
To allow air to enter the system and prevent vacuum.
Fill in the blank: _______ is the process of removing contaminants from water.
Filtration
What is the purpose of insulation on hot water pipes?
To reduce heat loss.
True or False: Gravity plays a key role in drainage systems.
True
What is a common method for detecting leaks in plumbing systems?
Pressure testing
Fill in the blank: Plumbing codes ensure _______ and safety in plumbing installations.
Standards
What is the purpose of a sump pump?
To remove water from basements or low areas.
What principle of physics is utilized in siphoning?
Gravity
Multiple Choice: What is the main advantage of using PVC pipes? A) Low cost B) High durability C) Lightweight D) All of the above
D) All of the above
