EMT Practice Test

1. Question Content...

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Question1: The rated voltage of a cell is

Question2: The Maximum distance of WIFI coverage for WIFI converter is ( )m.

Question3: For NetCol5000-A installation, the required time of preserving positive pressure is ( ) hours.

Question4: When the battery is out of control, what is the main cause of deformation and bulging due to the internal pressure becomes larger?

Question5: To shut down one UPS in UPS2000-G-20kVA parallel system, you must ().

Question6: Without removing the humidifier cylinder to maintain electrode humidifier, which are the maintenance contents?

Question7: When connecting the refrigerant pipe, to prevent the pipe from being oxidized, it is necessary to introduce a small amount of nitrogen gas during welding.

Question8: The load suddenly lost the power, but UPS2000-G-(6-20kVA) doesn't generate alarm. The possible cause is that the output cables of UPS are loose.

Question9: The principle of the () humidifier is that the high-intensity infrared lamp causes the water surface to release water vapor and diffuse into the air stream that needs to be humidified.

Question10: When four UPS2000-G-20K parallel setting is "3+1", the capacity of the system is ( ) KVA.

Question11: On the NetEco WebUI, one modular can be bound to a maximum of ( ) ECC800(s).

Question12: First time powering On, UPS2000-A-(1-3 kVA) works in static bypass mode.

Question13: Which are advantages of NetCol5000-A-2 kW?

Question14: UPS5000-E can do () for battery.

Question15: The () is used to urgently start gas fire extinguishing equipment in a case of fire

Question16: The thermal insulation foam of NetCol5000-C is damage, what happen?

Question17: The higher the batteries discharge current is, the shorter the discharge time is.

Question18: Skylight actuator can control rotating skylights in the module data center.

Question19: Which statements are incorrect about the integrated UPS5000-E-120k-HASBS?

Question20: Users can modify IP Address of the ( ) menu.

Question21: To balance the capacity loss caused by the self-discharge of the battery during the use of the battery, it is necessary to charge the battery continuously and for a long time at constant voltage, which is called ().

Question22: After the UPS5000-E system is installed, which of the following items need to be checked?

Question23: When a short circuit occurs in a battery, the charging voltage of the faulty battery is ().

Question24: The camera coding can be obtained by ()..

Question25: The multi-function sensor in the Fusion Module2000 modular channel can be connected to the () component.

Question26: The more PUE value of a data center is close to 1, the better energy usage efficiency is.

Question27: By setting the mailbox parameters, the NetEco system will send an email to notify the user according to the set rules.

Question28: NetEco allows users to select alarm tones for different severities of alarms.

Question29: One skylight actuator can drive a maximum of ( ) skylight magnetic locks at the same time.

Question30: Whether the water distribution unit is equipped or not is based on installation scenarios

Question31: Modbus card, SNMP card, dry contact card and CAN bus card are all available for UPS2000-G

Question32: When ATS is in automatic mode, the handle for manual operation must be remove.

Question33: When a backfeed occurs in main or bypass, the backfeed protection card can send signals to trip the input circuit breaker.

Question34: For UPS battery installation, the installation tools are not require to insulate.

Question35: The battery capacity should be set to ( ) when three 9Ah battery groups are parallel connected to UPS2000-G-15kVA

Question36: Smart Electricity meter of PDU8000 is abnormal, is it possible that:

Question37: Which procedure is correct about powering on UPS5000?

Question38: Which Technologies or solutions can reduce PUE?

Question39: Site selection is one challenge for the traditional data center

Question40: NetCol5000-A25 kW indoor unit needs neutral wires.

Question41: The alarm management functions of the ECC800 include ( ).

Question42: After the hot backup function is enabled for the NetCol5000-C, all the unit is settled as running unit.

Question43: Which component can control the light and charge a pad in FusionModule2000?

Question44: The cold/hot aisle containment systems can improve cooling efficiency and reduce power consumption.

Question45: A maximum of ( ) smart ETH gateways can be cascaded.

Question46: NetEco can't manage the data center facilities in different places.

Question47: On the NetEco, users can create domain, such as parks, building and rooms.

Question48: If a fire occurs in the FusionModule1000, the smoke detector and heat detector will send a fire alarm to the fire alarm control panel.

Question49: The NetCol5000-C indoor fan generates a loud noise, the possible reasons ( ).

Question50: In the water-side free cooling solution, cold water can be transported directly from the cooling tower to chilled water air conditioner.

Question51: The UPS5000 anti-seismic kit is applicable to earthquake-prone ones. When earthquake occurs, it provide support for cabinets

Question52: If IP21 component is configured, top cable routing is not supported for UPS5000-E.

Question53: Which are the high reliability features of NetCol5000-C?

Question54: UPS2000-G-10K supports: Three phase Input, Three phase Output

Question55: Every time NetCol5000-C startup, settings values need to be reset.

Question56: The ( ) is used to convert PoE signals into WIFI signals.

Question57: Linkage of the multi-functional sensor and skylight can be set on the ( ) menu of ECC800.

Question58: A certain distance should be reserved at the rear and top of the UPS5000-E, ensuring ventilation and heat dissipation.

Question59: In direct ventilation mode, the direct ventilation system exchanges heat between outdoor cool air and indoor hot air.

Question60: Which component does not support wireless networking?

Question61: The power indicator of the gas fire extinguishing controller is on and the alarm indicator is off indicating that the gas fire extinguishing controller is working properly.

Question62: The gas extinguishing equipment consist of ().

Question63: () is the signal processing and centralized management module of UPS5000-E

Question64: When two UPS5000-E share battery strings, the battery capacity of each UPS should be set to the total capacity of battery strings.

Question65: 2.4G antenna of ECC800 should be connected to ( ).

Question66: Batteries in the same battery string must have the same capacity, same specifications and the same manufacturer.

Question67: For NetCol5000-A, if a meter detect that no current passes through the infrared humidifier, it indicates that the lamp is damage.

Question68: The Skylight actuator can access to the ECC800 wirelessly.

Question69: The main reason for the energy-saving effect of the closed cold/hot passage is ()

Question70: For vacuuming the system, the pressure inside the pipes is less than or equal to ( ) Pa (absolute pressure)

Question71: The UPS5000 option temperature and humidity sensor does not support cascading

Question72: After all the NetEco monitoring cables are connected, users need to check ( ).

Question73: Before installation, what is inside refrigerant pipe of the NetCol5000-A?

Question74: The work modes of rotary wheel free cooling solution are ().

Question75: The height of the ECC800 collector is () U.

Question76: On the NetEco, the door status is always open, we can identify with the faulty by ( ).

Question77: A maximum ( ) Huawei precision air conditioner can do teamwork?

Question78: To avoid voltage unbalance between batteries, batteries need to do ( ) in period.

Question79: When the compressor of NetCol5000-A started for the first time, the crankcase heating tape needs to be pre-heated for the time ( ) hours.

Question80: Two UPS2000-G with different software version can be connected in parallel.

Question81: The cycle life of the battery is direct proportional to the depth of discharge

Question82: The battery discharge time of UPS2000-G-(6-20kVA) is far less than the design time. The possible cause is that ().

Question83: When turning on the maintenance bypass switch of UPS5000-E, to make sure loads continue to be powered, which should be noted?

Question84: In the process of disconnecting the battery pack switch, if there are multiple sets of batteries, first disconnect the main switch between the battery pack and the UPS, and then disconnect the switch of each battery pack