Which of the following statements represents an advantage of an electromagnetic clutch?
A.Large misalignments can be tolerated between the shaft and engine coupling
B.Slip is held to a minimum when reversing shaft rotation
C.Engine torsional vibrations to the driven shaft are eliminated
D.It aids in maintaining power factor
第1题:
We would like to take this ( ) to establish business relations with you.
A. opening
B. opportunity
C. step
D. advantage
第2题:
In C program, all variables must be(70)before use, usually at the beginning of the function before any(71)statements.
A.stated
B.writed
C.illustrated
D.declared
第3题:
A programmer must know about a function's ______ to call it correctly.
A.location
B.algorithm
C.Interface
D.statements
第4题:
A programmer must know about a function’s(74)to Call it correctly.
A.location
B.algorithm
C.Interface
D.statements
第5题:
In object-oriented program languages, a class must exposure its(13) to the outside.
A.variants
B.algorithm
C.interface
D.statements
第6题: