双桶洗衣机的洗涤衣物超重,会引起()的故障。
A.电机无声、波轮不转
B.电机有声、波轮不转
C.电机运转、波轮不转
D.有“麻电”现象
E.渗水、漏水
F.脱水桶不转
参考答案:C
水轮发电机组各部温度与负荷变化无关。
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?()
A.Insure the chemical is powdery
B.Replace the cartridge
C.Pressure test the discharge hose
D.Test the pressure gauge for proper operation