최신 HCNP-DCF-BFDO H12-421 무료샘플문제:
1. When the Huawei air-cooled air conditioner outdoor unit is installed horizontally, the distance between the two outdoor units is greater than or equal to () mm.
A) 800
B) 2000
C) 400
D) 1200
2. When the maintenance engineer arrives at the customer site, the working environment around the site should be recorded. The main collection items are (). (Multiple choice)
A) Equipment installation distance
B) Ambient temperature
C) Ventilation
D) If there is a bad environment around it (such as dust or moisture)
3. When inspecting, maintaining and repairing electrical equipment in non-blackout mode, a warning sign or signage should be placed on the electrical installation and work area.
A) True
B) False
4. After the air conditioner is commissioned, the indoor temperature is in a reasonable state, and the suction pressure is not lower than ( ).
A) 0.7MPa
B) 5MPa
C) 7MPa
D) 6Mpa
5. The UPS5000-E accepts input voltage frequency in a range of () Hz.
A) 45-70
B) 55-65
C) 40-70
D) 50-60
질문과 대답:
질문 # 1 정답: D | 질문 # 2 정답: A,B,C,D | 질문 # 3 정답: A | 질문 # 4 정답: A | 질문 # 5 정답: C |