
motores de combustion interna
Authored by HUAMAN NAYELLI
Engineering
Professional Development
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. La relación entre la longitud de la biela y la longitud de la manivela del cigüeñal de:
a.menor a 25
b.2
c. mayor a 2.5
d. 2.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. El consumo especifico de combustible se puede expresar en:
a. kW/gh
b. g/kWh
c. Es adimensional
d. g/kW
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. El rendimiento efectivo máximo de un MECH suele ser
a. entre 15 y 25%
b. entre 25 y 35%
c. entre 35 y 45%
d. entre 45 y 55%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. En un MCI alternativo cuyo dosado relativo es Fr 1.05, a trabajando con:
a. Mezcla pobre
b. Mezcla rica
c. Mezcla estequiometria
d. No se puede precisar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. En un MCIA alternativo el par motor, a lo largo de una vuelta del cigüeñal
a. Es constante
b. Es variable
c. Depende si es de 2 o tiempos
d. N. A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. El tiempo de retraso en un MC Diesel es el tiempo que transcurre desde que :
a. Comienza la inyección y acaba la combustión
b. Comienza la inyección y comienza la combustión
c. Acaba la inyección y comienza la combustión
d. Acaba la inyección y acaba la combustión
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. La potencia especifica de un MCI se puede expresar en:
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