Central Heating ppt 2

Central Heating ppt 2

Professional Development

17 Qs

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Central Heating ppt 2

Central Heating ppt 2

Assessment

Quiz

Professional Development

Professional Development

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Created by

mike coldman

Used 3+ times

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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of determining the size of a heat emitter?

To increase the building's temperature

To replace lost heat and meet design temperatures

To reduce energy consumption

To improve air quality

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines the output of a radiator according to the learning material?

Size and number of convectors

Color of the radiator

Material of the radiator

Brand of the radiator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the Mean Water Temperature (MWT) of a radiator calculated?

Flow temp + return temp / 2

Flow temp - return temp

Flow temp * return temp

Flow temp / return temp

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Delta T50 used for in the context of radiator heat outputs?

To show heat outputs in the UK

To measure radiator size

To calculate water flow rate

To determine radiator color

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two main factors that the boiler heat output depends on?

The type of fuel used and the design of the system

The requirement of heat to the heat emitters and the requirement for hot water

The size of the boiler and the efficiency of the system

The cost of installation and the brand of the boiler

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating heat input into a hot water storage cylinder?

SHC x litres of water x temp. difference (Δt) x boiler efficiency / Time in seconds x 100

SHC + litres of water + temp. difference (Δt) + boiler efficiency / Time in seconds x 100

SHC x litres of water + temp. difference (Δt) x boiler efficiency / Time in seconds

SHC + litres of water x temp. difference (Δt) + boiler efficiency / Time in seconds

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific heat capacity of water used in the formula?

4.19kj/kg/°C

3.18kj/kg/°C

5.20kj/kg/°C

2.15kj/kg/°C

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