cold water ppt 2

cold water ppt 2

Vocational training

18 Qs

quiz-placeholder

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cold water ppt 2

cold water ppt 2

Assessment

Quiz

Construction

Vocational training

Practice Problem

Hard

Created by

mike coldman

Used 1+ times

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18 questions

Show all answers

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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