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Worksheets

DCOM

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which of the following appliances are NOT required to be connected to a discharge duct for combustion products?

a)

Devices with type C

b)

Stove, built-in hob, domestic and artisanal oven, brazier and artisanal burner

c)

Type A kitchen water heater installed for intermittent use

d)

Household washing machine and dryer of type A with a power limited to 10 kW, the same goes for a refrigerator

2.

What are the two parts that the discharge of the combustion products consists of?

a)

Primary and secondary

b)

Connecting channel and discharge channel

c)

Input and output

d)

Inlet and outlet

3.

What must be ensured regarding the electrical continuity of the metal parts of the drainage systems of the combustion products?

a)

They must be removed

b)

They must be painted

c)

They must be connected to the same electrical potential as all other metal structures in the building

d)

They must be insulated

4.

What is necessary in a room with a type A heating appliance?

a)

Good ventilation

b)

No ventilation

c)

Air conditioning

d)

Heating

5.

How much free passage is required for the opening of the duct in a room with a kitchen geyser with type A with intermittent operation?

a)

100 cm²

b)

50 cm²

c)

200 cm²

d)

150 cm²

6.

What may not obstruct the straight-line view in a room with a kitchen geyser with type A with intermittent operation?

a)

Plants

b)

No obstacles

c)

Obstacles

d)

Furniture

7.

What type of central heating boilers must be connected to a drainage duct?

a)

Gas boilers

b)

Electric boilers

c)

Boilers with open combustion circuit

d)

Boilers with closed combustion circuit

8.

What must the metal parts of the drainage systems of the combustion products be brought to the same electrical potential as?

a)

All other metal structures in the building

b)

All glass structures in the building

c)

All wooden structures in the building

d)

All plastic structures in the building

9.

What is not allowed for the installation of the drainage systems of the combustion products?

a)

Serving for another installation/electrical appliance

b)

Being painted in bright colors

c)

Being made of plastic

d)

Being made of wood

10.

What is provided in each room where a kitchen geyser with type A with intermittent operation is installed?

a)

A fan

b)

A duct for top ventilation

c)

A door

d)

A window

11.

What is the purpose of the connecting channel in the discharge of the combustion products?

a)

To connect to the main system

b)

To store the products

c)

To block the flow

d)

To provide a passage for the products

12.

What is the purpose of the discharge channel in the discharge of the combustion products?

a)

To store the products

b)

To connect to the main system

c)

To provide a passage for the products

d)

To block the flow

13.

What is the maximum power limit for a household washing machine and dryer of type A to not require a discharge duct?

a)

10 kW

b)

20 kW

c)

15 kW

d)

5 kW

14.

What is the purpose of the metal parts in the drainage systems of the combustion products?

a)

To conduct electricity

b)

To block the flow

c)

To store the products

d)

To provide support

15.

What is the purpose of the electrical continuity of the metal parts in the drainage systems of the combustion products?

a)

To prevent corrosion

b)

To improve efficiency

c)

To reduce noise

d)

To ensure safety