【单选题】
（） is a machine by which electrical energy is transformed into mechanical energy.
A、An alternator
B、An electric motor
C、A diesel engine
D、A main switchboard
查看正确答案A、against B、with C、to D、for
搜题
更多“（） is a machine by which electrical energy is transformed into mechanical energy.”相关的问题
第2题
A、A.is good for long term preserving since most insulation is organic and contains some amount B、B.lowers the insulation value and is a common cause of fault grounds in idle machines C、C.will enhance insulation resistance only if it is fresh water and contains no salt D、D.reduces the amount of current supplied or drawn by the machine so horsepower is limited
第3题
A、 The machine ID of the machine that logged the error B、 The machine ID of the machine that it is currently running on C、 The administrator defined machine ID in the /etc/machineid file D、 The machine ID of the machine that the operating system was originally started on
第4题
A、amount of field excitation of the leading machine B、load-speed characteristics of the governors C、amount of field excitation to the lagging machine D、type of alternator
第5题
A、brushes on a commutator B、brushes on slip rings C、slip rings on a commutator D、direct connections from the stator
第6题
A、brushes on a commutator B、brushes on slip rings C、slip rings on a commutator D、direct connections from the stator
第7题
A、 The machine ID of the machine that logged the error B、 The machine ID of the machine that it is currently running on C、 The administrator defined machine ID in the /etc/machineid file D、 The machine ID of the machine that the operating system was originally started on
第8题
A、 The machine ID of the machine that logged the error B、 The machine ID of the machine that it is currently running on C、 The administrator defined machine ID in the /etc/machineid file D、 The machine ID of the machine that the operating system was originally started on
第9题
A、Customers is owned by Oracle Human Resources whereas Locations is owned by Oracle Receivables. B、Items is owned by Oracle Purchasing whereas Locations is owned by Oracle Receivables. C、Sales Force is owned by Oracle Order Management whereas Employees is owned by Oracle Human Resources. D、Set of books is owned by Oracle General Ledger whereas Locations is owned by Oracle Human Resources. E、Suppliers is owned by Oracle Purchasing whereas Units of Measure is owned by Oracle Inventory.
