
cold water ppt 2
Quiz
•
Construction
•
Vocational training
•
Practice Problem
•
Hard
mike coldman
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Between which temperatures does Legionella bacteria thrive?
10°C and 20°C
20°C and 37°C
37°C and 50°C
5°C and 15°C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what temperature does Legionella bacteria multiply rapidly?
20°C
25°C
37°C
40°C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum temperature that cold water systems should be designed to prevent exceeding?
15°C
20°C
25°C
30°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to BS EN 806-2: 2005 Section 3, for how many years should all pipes and joints of a CW system be designed for a service life?
10 years
20 years
50 years
100 years
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a sentinel outlet in a cold water system?
The outlet closest to the water heater
The outlet with the highest pressure
The outlet furthest from the source of supply
The outlet with the largest diameter
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be done with low-use outlets in a cold water system?
They should be insulated
They should be disconnected and dead ends removed
They should be painted
They should be expanded
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the minimum recommended capacity for a cistern supplying both hot and cold water in a small house?
100 litres
150 litres
230 litres
300 litres
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