
6035CHPPT7Q2
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
William Heron
FREE Resource
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is another name for a two port motorised valve?
Mid-position valve
Three port diverter valve
Boiler interlock
Zone valve
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What activates a two port motorised valve?
Hot tap
Room thermostat
Cylinder coil
Plate heat exchanger
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when both the room thermostat and the cylinder thermostat are satisfied in a two port motorised valve system?
The boiler switches off
The valve opens
The valve closes
The circulator switches off
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What powers the paddle in a two port motorised valve?
Boiler interlock
Room thermostat
Cylinder thermostat
Synchronmotor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a three port mid-position valve?
To completely stop the flow of water
To control flow to both heating and hot water circuits
To control central heating flow only
To control hot water flow only
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which port of a three port mid-position valve allows flow for the boiler?
A
B
AB
C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when there is a call for heat from the cylinder thermostat in a three port mid-position valve system?
The paddle moves to the mid-position
The valve activates
The system water can flow to the cylinder coil
The valve closes
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