
Električni grijač vode
Authored by stefica debogovic
Physics
7th Grade
Used 8+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrotoplinski uređaji pretvaraju:
tolinsku energiju u električnu
električnu energiju u toplinsku
električnu energiju u svjetlosnu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Osnovni dio elektrotoplinskih uređaja čine:
cijevi za toplu i hladnu vodu
termostat
električni grijači
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Što je karakteristično za električne grijače? (Više točnih odgovora.)
sastoji se od žica savijenih u spiralu
dobri izolatori topline
veliki električni otpor
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Materijali (legure za izradu) grijača su:
cekas (aluminij+krom+nikal+željezo)
kantal (nikal + krom)
mjed ( bakar + cink)
bronca (bakar + kositar)
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Snaga grijača izražava se u:
vatima
džulima
kilovatima
njutnima
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što je snaga grijača veća moći će zagrijati
veću količinu vode u kraćem vremenu
veću količinu vode u dužem vremenu
manju količinu vode u dužem vremenu
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Električni grijač vode ugrađuje se u:
perilice rublja
hladnjake
bojlere
glačala
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