1.
Se normaliza la red a:
Correct Answer
A. 220 VCA +- 10%
Explanation
The correct answer is 220 VCA +- 10%. This means that the network is normalized to a voltage of 220 VCA, with a tolerance of plus or minus 10%. This indicates that the voltage can vary within a range of 10% above or below the normalized value of 220 VCA.
2.
La nomenclatura para referirse al sensor de secuencia de fases Telmex tipo A es:
Correct Answer
E. SSF
Explanation
The correct answer is SSF. This is because the question is asking for the nomenclature to refer to the Telmex type A phase sequence sensor, and SSF is the only option that matches this requirement.
3.
Recomienda el fabricante checar el estado de la banda.
Correct Answer
E. Diario
Explanation
El fabricante debe verificar el estado de la banda a diario. Esto implica que debe realizar inspecciones y mantenimiento diariamente para asegurarse de que la banda esté en buen estado y funcionando correctamente. Dado que el desgaste y los daños pueden ocurrir con el uso regular, es importante realizar controles frecuentes para evitar problemas mayores y garantizar la seguridad y eficiencia del equipo.
4.
En los tableros Selmec tipo C y Onan-Onan el selector Auto\Manual en posición Auto se:
Correct Answer
E. Habilita la transferencia automática.
Explanation
The correct answer is "Habilita la transferencia automática." This means that the Auto/Manual selector in the Selmec type C and Onan-Onan boards, when in the Auto position, enables automatic transfer. This suggests that when the selector is set to Auto, the machine will automatically switch between power sources without manual intervention.
5.
Operando el microtablero Onan, el motor tiene partes muy calientes, puede ocasionarte quemaduras graves, debemos evitar:
Correct Answer
D. Tocarlo
Explanation
The correct answer is "Tocarlo" (Touch it). The question states that when operating the Onan microboard, the engine has very hot parts that can cause serious burns. Therefore, it is important to avoid touching it in order to prevent injuries.
6.
Recomienda el fabricante cambiar aceite y filtro:
Correct Answer
B. Trimestral
Explanation
El fabricante recomienda cambiar el aceite y el filtro cada tres meses. Esto se debe a que el aceite del motor se degrada con el tiempo y el uso, acumulando suciedad y partículas que pueden dañar el motor. Al cambiar el aceite y el filtro trimestralmente, se asegura un buen rendimiento y protección del motor, lo que prolonga su vida útil y evita problemas mecánicos.
7.
En que tipo de tablero se tiene 4 relevadores de control:
Correct Answer
E. Tipo C
Explanation
The correct answer is Tipo C because it is the only option that mentions having 4 control relays. The other options do not specify the number of control relays or mention a different number. Therefore, Tipo C is the most suitable option for a board with 4 control relays.
8.
Cuando se va a arrancar el grupo electrógeno para prueba, se debe verificar varios niveles entre ellos:
Correct Answer
E. El nivel de refrigerante
Explanation
Before starting the generator for a test, it is important to verify various levels including the coolant level. This is necessary to ensure that the generator has enough coolant to operate efficiently and prevent overheating. Checking the coolant level is crucial as low coolant levels can lead to engine damage and affect the performance of the generator.
9.
Recomienda el fabricante checar batería de arranque:
Correct Answer
A. Semanal
Explanation
El fabricante recomienda revisar la batería de arranque de forma semanal.
10.
Cual es la nomenclatura que tiene en el tablero de control el botón de desbloqueo:
Correct Answer
A. BD
Explanation
The correct answer is "BD". This is the nomenclature for the unlock button on the control panel.
11.
Operando el Microtablero Onan. Protege el excitador y el regulador del generador contra sobre-calentamiento en caso de falla del generador.
Correct Answer
B. Disyuntor de campo
Explanation
The correct answer is "Disyuntor de campo". This device protects the field exciter and regulator of the generator from overheating in case of generator failure. It is responsible for interrupting the flow of current to the field winding, preventing damage to the generator components.
12.
La nomenclatura para referirse el modulo de relevadores en el tablero Selmec tipo A es:
Correct Answer
A. MR
Explanation
The correct answer is MR. This is because the question is asking for the nomenclature to refer to the relay module in the Selmec type A board. Among the given options, MR is the only one that fits this criteria.
13.
En el Microtablero Onan el dispositivo que indica la temperatura del refrigerante que circula en el motor es
Correct Answer
D. Termómetro
Explanation
The correct answer is "Termómetro". In the given question, it is mentioned that the question is about the device that indicates the temperature of the coolant circulating in the engine. A termómetro is a thermometer, which is a device used to measure temperature. Therefore, the termómetro is the correct device for indicating the temperature of the coolant in the engine.
14.
Operando el Microtablero Onan. La lámpara que indica la temperatura del motor esta cerca del límite superior.
Correct Answer
A. Pre hi engine temp
Explanation
The correct answer is "Pre hi engine temp". This is because the given statement mentions that the lamp indicating the engine temperature is near the upper limit. Therefore, the "Pre hi engine temp" warning is relevant in this situation.
15.
Cada cuando los rectificadores del generador se prueban:
Correct Answer
B. Bienal
Explanation
The correct answer is "Bienal" which means "Biennial" in English. This suggests that the rectifiers of the generator are tested every two years.
16.
En el Microtablero Onan el dispositivo que indica la corriente de carga de la batería de arranque es:
Correct Answer
A. Amperímetro de CC
Explanation
The correct answer is Amperímetro de CC. In the given question, it is stated that the device that indicates the charging current of the starting battery in the Onan Microtablero is being asked. An amperímetro de CC, which translates to a DC ammeter, is a device used to measure the flow of direct current in a circuit. Therefore, it is the most suitable device to indicate the charging current of the starting battery.
17.
Operando el Microtablero Onan. La lámpara indica que la planta ha sido apagada debido a baja presión de aceite:
Correct Answer
D. Lo oil pres
Explanation
The correct answer is "Lo oil pres". This answer indicates that the lamp on the Onan Microtablero is indicating that the plant has been turned off due to low oil pressure.
18.
Recomienda el fabricante checar el ajuste del gobernador.
Correct Answer
C. Trimestral
Explanation
La recomendación de revisar el ajuste del gobernador trimestralmente sugiere que es necesario verificar y ajustar el gobernador de manera regular cada tres meses. El gobernador es un dispositivo que controla la velocidad de un motor, por lo que es importante asegurarse de que esté correctamente ajustado para garantizar un rendimiento óptimo. Al realizar esta revisión trimestralmente, se pueden identificar y corregir posibles problemas o desajustes antes de que causen daños o afecten el funcionamiento del motor.
19.
En el tablero A, el Led que indica bajo nivel de combustible es:
Correct Answer
E. LNC
Explanation
The correct answer is LNC. In the given options, LNC is the only one that could potentially indicate a low level of fuel. LPA, LSV, LNA, and LO do not have any direct relation to fuel levels.
20.
En esta posición del selector arranca la planta al pasar a esta posición, sin tomar la carga:
Correct Answer
A. Manual
Explanation
In this position of the selector, the plant starts running without taking the load. This implies that the plant will start operating in manual mode, where the operator has full control over the plant's actions and can manually adjust the settings and parameters.
21.
Cuenta la veces que ha arrancado el grupo electrógeno.
Correct Answer
E. Contador de pulsos
Explanation
The correct answer is "Contador de pulsos." This is because the phrase "Cuenta la veces que ha arrancado el grupo electrógeno" translates to "Counts the number of times the generator has started," indicating that the device is used to keep track of the number of pulses or signals generated by the generator.
22.
Operando el Micotablero Onan. La lámpara indica que la unidad ha sido apagada debido a velocidad excesiva.
Correct Answer
E. Overspeed
Explanation
The given explanation suggests that the correct answer is "Overspeed" because the lamp indicates that the unit has been shut down due to excessive speed. This implies that the engine was operating at a speed higher than the recommended limit, leading to the shutdown of the unit.
23.
Cada cuando los rectificadores del generador se prueban:
Correct Answer
B. Bienal
Explanation
The correct answer is "Bienal" because the question is asking how often the rectifiers of the generator are tested. "Bienal" means biennial, which refers to something that occurs every two years. Therefore, the rectifiers of the generator are tested every two years.
24.
La nomenclatura para referirse al regulador de voltaje en el tablero Selme tipo A es:
Correct Answer
C. RV
Explanation
The correct answer is RV. The question is asking for the nomenclature used to refer to the voltage regulator in the Selme type A board. The correct nomenclature for this regulator is RV.
25.
Operando el Microtablero Onan. La lámpara indica que la unidad no arranca en el tiempo ajustado:
Correct Answer
C. Overcrank
Explanation
The correct answer is "Overcrank". This means that the lamp on the Microtablero Onan is indicating that the unit is not starting within the set time. This could be due to a problem with the cranking mechanism or the engine not starting properly.
26.
La nomenclatura para referirse al control de motor en el tablero Selmec tipo A es:
Correct Answer
E. CM
Explanation
The correct answer is "CM" because it is the correct nomenclature for referring to motor control in the Selmec type A dashboard.
27.
En el grupo electrógeno la pre alarma de alta temperatura debe de operar a:
Correct Answer
B. 105C
Explanation
The correct answer is 105C. In a generator set, the pre-alarm for high temperature should operate at 105C. This temperature threshold is set to ensure that the generator is not operating at dangerously high temperatures that could potentially cause damage or malfunction. By having a pre-alarm at this temperature, operators can be alerted to the rising temperature and take necessary measures to prevent any further issues.
28.
Cual es la nomenclatura que tiene en el tablero de control el contador de pulsos:
Correct Answer
B. CP
Explanation
The correct answer is "CP". This is the abbreviation for "contador de pulsos" in Spanish, which translates to "pulse counter" in English. It is likely that "CP" is the standard nomenclature used for this component in the control panel.
29.
Cual es la nomenclatura que tiene en el tablero de control el conmutador del amperímetro:
Correct Answer
D. CA
Explanation
The correct answer is "CA". In the given question, it is asking for the nomenclature of the ammeter switch on the control panel. Among the options provided, "CA" is the correct nomenclature.
30.
En los tableros Selmec tipo C y Onan-Onan la lámpara indicadora Normal Available se refiere a:
Correct Answer
B. Energía normal lista
Explanation
The correct answer is "Energía normal lista". In the Selmec tipo C and Onan-Onan boards, the Normal Available indicator lamp refers to the normal power being ready or available. This means that the normal power source is connected and functioning properly, and can be used to power the equipment or system.
31.
La nomenclatura para referirse al sensor de voltaje normal que tiene el tablero Selmec tipo A es:
Correct Answer
B. SVN
Explanation
The correct answer is SVN. This is because the question is asking for the nomenclature used to refer to the normal voltage sensor on a Selmec type A dashboard. Among the given options, SVN is the only one that fits this description.
32.
Se considera retransferencia:
Correct Answer
D. Cambio de la carga a la red
Explanation
Retransferencia se refiere al cambio de la carga a la red. Esto implica que la energía fluye desde la carga hacia la red eléctrica. En este caso, la retransferencia se produce cuando hay un cambio en la dirección del flujo de energía, pasando de la carga a la red.
33.
Recomienda el fabricante checar fugas de aceite, diesel, refrigerante o escape:
Correct Answer
E. Diario
Explanation
El fabricante recomienda chequear las fugas de aceite, diesel, refrigerante o escape a diario. Esto implica que se debe realizar una inspección diaria para detectar cualquier fuga de estos fluidos o gases. Esto es importante para mantener el buen funcionamiento del vehículo y prevenir posibles problemas o daños mayores.
34.
Recomienda el fabricante checar nivel de aceite y liquido refrigerante.
Correct Answer
D. Diario
Explanation
La recomendación de checar el nivel de aceite y líquido refrigerante a diario sugiere que es importante verificar regularmente estos niveles para asegurarse de que el motor esté funcionando correctamente y no haya problemas de sobrecalentamiento. Al hacerlo diariamente, se puede detectar cualquier baja en los niveles de aceite o refrigerante de manera temprana y tomar las medidas necesarias para evitar daños mayores al motor.
35.
Los sistemas de arranque para Selmec están alimentado:
Correct Answer
D. 12 y 24 de VCD
Explanation
The correct answer is 12 y 24 de VCD. This means that the starting systems for Selmec are powered by both 12 and 24 volts of direct current (VCD).
36.
Recomienda el fabricante checar tensión de banda:
Correct Answer
B. Anual
Explanation
La respuesta "Anual" es la recomendación para que el fabricante revise la tensión de la banda una vez al año. Esto implica que se debe realizar esta revisión de forma periódica, pero no con una frecuencia tan alta como mensual, trimestral o semestral. La opción "Bienal" implica una revisión cada dos años, lo cual es menos frecuente que la opción "Anual". Por lo tanto, la respuesta correcta es "Anual" para asegurar que se realice una revisión regular de la tensión de la banda.
37.
Operando el Microtablero Onan, la lámpara indica bajo nivel de combustible:
Correct Answer
A. Lo fuel
Explanation
The correct answer is "Lo fuel" because the lamp indicates a low level of fuel.
38.
En los tableros Selmec tipo C y Onan-Onan en la posición del selector >Prueba/Normal/Retransferencia en Normal:
Correct Answer
A. La transferencia se lleva acabo automáticamente
Explanation
In the Normal position of the selector on the Selmec type C and Onan-Onan boards, the transfer is carried out automatically.
39.
En las normas Telmex se indica para el generador un valor de generación de 220 VCA con un porcentaje de +-
Correct Answer
A. 5%
Explanation
The correct answer is 5%. In the Telmex regulations, it states that the generator should have a generation value of 220 VAC with a percentage deviation of +- 5%. This means that the generator can have a voltage output ranging from 209 to 231 VAC, with 220 VAC being the ideal value.
40.
Todos los tableros Selmec son alimentado por:
Correct Answer
A. La batería de arranque
Explanation
The correct answer is "La batería de arranque" because it is stated in the question that "Todos los tableros Selmec son alimentado por" which translates to "All Selmec boards are powered by". Among the given options, only "La batería de arranque" (the starting battery) is a power source that can provide the necessary electrical energy to power the boards.
41.
Recomienda el fabricante checar estado físico del ventilador del radiador:
Correct Answer
D. Anual
Explanation
El fabricante recomienda revisar el estado físico del ventilador del radiador una vez al año.
42.
Operando el Microtablero Onan, la lámpara indica una falla no detectada:
Correct Answer
C. Fault 1
Explanation
The correct answer is "Fault 1". This is because the lamp indicates a fault that has not been detected.
43.
Recomienda el fabricante checar la operación del precalentador
Correct Answer
A. Diario
Explanation
The correct answer is "Diario". The given statement suggests recommending the manufacturer to check the operation of the preheater on a daily basis. This implies that the preheater is an important component that needs regular monitoring to ensure its proper functioning. Checking it daily allows for timely detection and resolution of any issues or malfunctions, thereby maintaining the efficiency and effectiveness of the preheater.
44.
Cual es la nomenclatura que tiene en el tablero de control el Conmutador del Voltímetro:
Correct Answer
D. CV
Explanation
The correct answer is CV. In the context of a control panel, CV stands for "Conmutador del Voltímetro" which translates to "Voltmeter Switch" in English. This switch is used to control the function or operation of the voltmeter in the control panel.
45.
Operando el Microtablero Onan. La lámpara indica que la unidad ha sido apagada debido a temperatura alta del motor.
Correct Answer
C. Hi eng temp
Explanation
The correct answer is "Hi eng temp". This indicates that the lamp on the Onan Microtablero is indicating that the unit has been turned off due to high engine temperature.
46.
Recomienda el fabricante cambiar líquido refrigerante y checar el sistema.
Correct Answer
E. Bienal
Explanation
The correct answer is "Bienal" because it suggests that the manufacturer should change the coolant and check the system every two years. This frequency is appropriate for regular maintenance and ensures that the coolant remains effective and the system operates efficiently.
47.
Prueba de bloqueo y alarma. El bloqueo de falla de voltaje del generador se realiza:
Correct Answer
C. Variando el potenciómetro de ajuste del regulador de voltaje. (2-18)
Explanation
The correct answer is "Variando el potenciómetro de ajuste del regulador de voltaje." This means that the voltage regulator's adjustment potentiometer is varied in order to perform the generator voltage fault lockout and alarm test. By adjusting the potentiometer, the voltage regulator can be set to a specific voltage level, ensuring that the generator operates within the desired voltage range. This adjustment is necessary to prevent voltage fluctuations and protect the generator from potential damage.
48.
Los electrógenos Selmec están constituidos por las siguientes partes:
Correct Answer
A. Generador, control de motor y control de transferencia
Explanation
The correct answer is "Generador, control de motor y control de transferencia". This is because the electrógenos Selmec (Selmec generators) are composed of three main parts: the generator, the motor control, and the transfer control. These components work together to ensure the proper functioning and transfer of power in the generator system.
49.
Cual es la nomenclatura que tiene en el tablero de control el amperímetro:
Correct Answer
A. A
Explanation
The correct answer is "A" because "A" is the commonly used symbol for the unit of measurement for electric current, which is amperes. The other options, such as "AM," "AMP," "CS," and "SC," do not represent the standard symbol for amperes and are not commonly used in the nomenclature of an ammeter.
50.
En el tablero A la lámpara que indica condición normal es:
Correct Answer
D. LN
Explanation
The correct answer is LN because the question asks for the lamp that indicates normal condition on board A. Among the given options, only LN represents a lamp that indicates normal condition.