
CFIP - Conceptos previos
Authored by Fernando Cerdeira
Physics, Science, Education
1st - 2nd Grade
Used 30+ times

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15 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
¿Cuáles de estas unidades de presión son equivalentes?
1 bar = 100 kPa = 105 N/m2
1 kg/cm2 = 0,98 bar
1 psi = 14,696 atm
760 mm Hg = 1 atm
10 kg/cm2 = 1 m.c.a.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
¿Cuál es una unidad de potencia?
kW
kWh
kcal
CV
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
¿Cuáles de estas unidades de energía o potencia son equivalentes?
1 CV-h = 735,5 W
1 kJ = 4,1868 kcal
1 kW = 860 kcal/h
1 tep = 107 kcal
1 kWh = 3600 kJ
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el calor específico del agua?
4,18 kJ/kg ºC
4,18 kcal/kg ºC
18 g/mol
2500 kJ/kg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el calor específico del aire?
1,004 kJ/kg ºC
1,004 kcal/kg ºC
1 kcal/kg ºC
4,18 kJ/kg K
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
¿Cuál es, aproximadamente, el calor latente de vaporización del agua a presión atmosférica?
2500 kJ/kg
600 kJ/kg
600 kcal/kg
4,18 kJ/kg ºC
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la composición del aire en volumen?
21% O2 y 79% N2
23 %O2 y 77% N2
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