Valves Flashcards
What is the primary function of a household valve?
To control the flow of water or gas in plumbing and heating systems.
True or False: A ball valve uses a rotating ball to control flow.
True.
Fill in the blank: A ______ valve is typically used for on/off control.
gate
Which type of valve is known for its quick operation and reliability?
Ball valve.
What is a common application for a check valve?
To prevent backflow in plumbing systems.
Multiple Choice: What type of valve is best for throttling applications? A) Gate B) Globe C) Ball
B) Globe.
What does a pressure relief valve do?
It automatically releases pressure when it exceeds a preset limit.
True or False: A butterfly valve is typically used for larger pipes.
True.
Fill in the blank: A ______ valve allows fluid to flow in one direction only.
check
What is the main advantage of a solenoid valve?
It can be operated electronically.
Multiple Choice: Which valve type is commonly used in irrigation systems? A) Check B) Ball C) Globe
B) Ball.
What is the purpose of a shut-off valve?
To stop the flow of liquid or gas in a system.
True or False: A pressure reducing valve decreases the pressure of the fluid.
True.
Fill in the blank: A ______ valve is used to control the flow of water in heating systems.
thermostatic
What is a common material used for household valves?
Brass.
Multiple Choice: Which valve is ideal for high-pressure applications? A) Gate B) Butterfly C) Globe
C) Globe.
What does the term ‘valve seat’ refer to?
The surface where the valve closes to prevent flow.
True or False: Valves can only be used for liquid flow.
False.
Fill in the blank: A ______ valve is often used in gas lines.
ball
What is the function of a flow control valve?
To regulate the flow rate of a fluid.
Multiple Choice: Which is NOT a type of valve? A) Ball B) Globe C) Tube
C) Tube.
What is the difference between a manual and automatic valve?
Manual valves are operated by hand, while automatic valves operate based on pressure or electronic signals.
True or False: Valves are only used in plumbing systems.
False.
Fill in the blank: A ______ valve is used to manage the flow in HVAC systems.
control
What type of valve is typically used for drainage?
Gate valve.
Multiple Choice: What does a globe valve primarily control? A) Pressure B) Flow C) Temperature
B) Flow.
