NEA EXAM QUESTIONS AND ANSWER1

NEA EXAM QUESTIONS AND
ANSWERS




LIHIC77-77answer--Low77Income77High77Costs77Indicator

A77household77is77considered77fuel77poor77when?77-77answer--
If77they77have77above77average77fuel77costs77and77they77need77to77spend77more77than77
10%77of77household77income77to77achieve77a77satisfactory77heating77regime.

Safe/77average77house77temperature?77-77answer--
2177degrees77in77living77room77and771877degrees77in77other77rooms

377causes77of77fuel77poverty77-77answer--
high77fuel77costs,77low77income,77energy77inefficient77homes

377ways77to77tackle77fuel77poverty77-77answer--
improve77energy77efficiency,77maximise77income,77energy77advice

Degrees77C77to77degrees77F77-77answer--C77x771.877+7732

Degrees77F77to77degrees77C77-77answer--F-32/1.8

Percentage77of77average77household77space77heating77energy77use77-77answer--65.5

Percentage77of77average77household77water77heating77energy77use77-77answer--17

Percentage77of77average77household77lighting77and77appliances77energy77use77-
77answer--15


Percentage77of77average77household77cooking77energy77use77-77answer--2.5

Radiant77heat77-77answer--Travels77in77straight77lines77e.g.77how77sunlight77travels

,Convection77heat77-77answer--
applicable77to77air77and77water,77where77heat77moves77from77a77warm77spot77to77a77cold
er77spot,77heated77molecules77become77lighter77and77rise,77displacing77cooler77and77he
avier77particles77which77fall.

Conduction77Heat77-77answer--
movement77of77heat77through77a77material,77relevant77to77the77choice77of77materials77us
ed77in77housing77construction

Electric77Fan77Heater77controls77-77answer--on/
off,77Thermostat,77fan77speed,77heat77setting

Electric77convector77heater77controls77-77answer--on/off,77thermostat,77timer

electric77storage77heater77controls77-77answer--input/charge,77output/boost,77on/
off.77timer

Fan77assisted77storage77heater/quantum77storage77heater77-77answer--on/
off,77thermostat,77heat77settings,77timer

electric77radiant77fire/77bar77fire77-77answer--on/off,77thermostat,77heat77settings,77timer

electric77infra-red77heater/77halogen77heater77-77answer--on/
off,77thermostat,77heat77settings,77timer

electric77oil77filled77radiator77-77answer--on/off,77thermostat,77heat77settings,77timer

Open77fronted77gas77radiant/
77convector77fire77(gas77fired77could77have77back77boiler77behind)77-77answer--
Ignition,77temp77setting,77boiler77thermostat77if77there77is77a77back77boiler

Gas77decorative77effect77fire,77open77and77close77fronted77-77answer--
Ignition,77temp77setting

Gas77convector77heater/77wall77heaters77(room77sealed)77-77answer--
Ignition,77temp77setting

Closed77solid77room77heater77-77answer--
Damper77to77control77air77flow,77boiler77thermostat77if77there77is77a77back77boiler

Bottle77gas77heater77(portable,77liquid77petroleum77gas77LPG)77-77answer--
ignition,77temp77setting

477main77safety77issues77when77using77a77fuel77burning77appliance77-77answer---
77Carbon77monoxide77poisoning77and77fires
-77Fit77a77smoke77alarm,77test77every77month77and77replace77after771077years

, -77Never77leave77candles,77cigarettes77unattended
-77Ensure77there77is77good77ventilation

How77often77are77landlords77required77to77carry77out77a77safety77check77with77a77Gas77S
afe77registered77engineer?77-77answer--Every771277months

Warm77air77heating77system77-77answer---77distributes77warm77air77around77the77home
-77Air77is77heated77by77a77central77unit77using77gas,77oil77or77electricity
-77Distributed77using77ducts77and77a77fan77to77drive77out77the77warm77air77into77rooms.
-77Heat77is77emitted77via77grilles77on77the77floor77or77at77the77bottom77of77the77walls
-77Thermostat77and77timing77controls

Wet77central77heating77systems77-77answer---
77Hot77water77is77circulated77around77the77home77via77radiators77and77pipes.
-
77Source77of77hot77water77is77the77boiler77which77heats77up77water77using77fuels77such77
as77natural77gas,77oil,77LPG77or77solid77fuel
-77Gives77out77heat77via77convection

Conventional77boiler/system77boiler77-77answer--
Hot77water77in77cylinder77is77heated77indirectly77via77a77heat77exchanger77within77the77cy
linder.77Can77be77fuelled77by77natural77gas,77LPG77or77oil.77Can77be77condensing77or77n
on-condensing.77Hot77water77stored77in77the77cylinder.

Combination77boiler77-77answer--
Extra77heat77exchanger77within77the77boiler77allows77it77to77heat77up77water77quicker.77H
ouseholders77only77pay77for77the77hot77water77they77use.77Produce77hot77water77for77bot
h77space77and77water77heating77systems.77Fuelled77by77natural77gas,77LPG77or77oil.77Ca
n77be77condensing77or77non-condensing.77Doesn't77need77a77hot77water77cylinder.

Soild77fuel77room77heater77with77back77boiler77-77answer--
Situated77in77fireplace77in77order77to77use77existing77flue.77Hot77water77is77heated77by77b
urning77solid77fuel77in77the77grate.77Type77of77conventional77boiler.77477main77types:77op
en77fire77with77back77boiler,77closed77room77heater77with77back77boiler,77free77standing77
manually77fed77boiler,77free77standing77automatically77fed77boiler.

Gas77back77boiler77-77answer--
Situated77in77a77fireplace77to77use77the77existing77flue.77Water77is77in77a77metal77contain
er77which77is77heated77by77burning77gas.77Type77of77conventional77boiler.

Condensing77Boiler77-77answer--
Has77a77large77heat77exchanger77or77two77heat77exchangers77which77capture77the77heat
77from77flue77gases77and77reuses77it.77Can77be77a77conventional77boiler77or77combinatio
n77boiler.77More77efficient77as77they77extract77more77heat77than77non-
condensing77models.