A fuse that blows often should be replaced only with a fuse of ().
- Athe recommended current and voltage rating
- Bhigher current and voltage rating
- Chigher current and lower voltage rating
- Dlower current and higher voltage rating
A fuse that blows often should be replaced only with a fuse of ().
1、You should save your work often as a()
You should save your work often as a()against computer failure.AsanctionBprecautionCshieldDshelter
2、The part of a fuse that melts and open
The part of a fuse that melts and opens the circuit is made of ().Acopper and antimonyBsteel and babbittCaluminum or beryllium alloyDzinc or an alloy of tin and lead
3、It should be apparent that little or n
It should be apparent that little or nothing is gained by opening a drain at the same time as or after admitting steamThe above sentence pro...
4、When should a fire be ventilated?()
When should a fire be ventilated?()AWhen attacking the fire directlyBWhen using a steam smothering systemCWhen using the fixed CO2 systemDAll of the above
5、It should be()that any maritime liens
It should be()that any maritime liens attaching to the ship at the time of her arrest have priority over the claim for which she was arrested.AnotedBseenCwatchedDtake
6、A compressor should never be stopped (
A compressor should never be stopped ().Awithout first cooling itBwithout first heating itCwithout first unloading itDwithout first loading it