GMJ 6035 central heating 4

GMJ 6035 central heating 4

Professional Development

20 Qs

quiz-placeholder

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GMJ 6035 central heating 4

GMJ 6035 central heating 4

Assessment

Quiz

Other

Professional Development

Practice Problem

Medium

Created by

Glen Johnson

Used 128+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Delta T

Weight of the cistern

The pump speed

Room temperature divided by boiler temperature

The difference between the temperature of the radiator and the room

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Why is the position of the circulator pump important to produce positive pressure? (Choose 2)

To avoid air entering

To prevent positive pressure

To prevent a negative pressure

To prevent corrosion

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following can be used to activate a two-port zone valve allowing circuits on either hot water or central heating? (Choose 2)

Expansion vessel

Circulator pump

Room thermostat

Cylinder thermostat

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

To correctly balance the system, what should be worked out? (Choose 2)

How long the system takes to heat up

How many full turns it takes to heat up

How many radiators are in the system (plus 1)

What type of property the customer has

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What kind of boiler can you see here?

system boiler

conventional boiler

combination boiler

thermal store

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What component is pictured?

pump valve

gate valve

service valve

none of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Name the component

expansion vessel

pump valve

bypass valve

circulating pump

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