The
zero-sequence reactance of a single circuit overhead line is ( )
that of a double circuit overhead line.
A: larger than
B: smaller than
C: equal to
D: uncertain
zero-sequence reactance of a single circuit overhead line is ( )
that of a double circuit overhead line.
A: larger than
B: smaller than
C: equal to
D: uncertain
举一反三
- The cutting force of 45 steel after normalizing is ( ) that of 45 steel after quenching and tempering. A: smaller than B: larger than C: equal to D: uncertain
- The size of this city is_______ that city by over three times. A: smaller than the size of B: smaller than the height of C: larger than the weight of D: larger than that of
- Consumption of the total life-cycle effort in software maintenance is（ ） that in software development． A: less than B: larger than C: equal or less than D: equal or larger than
- The electricity can be got from( ),( )or an on-board energy storage device A: the line B: the overhead line C: a third rail D: the cable
- In general, the damping ratio of steel structures is than that of the reinforced concrete structure. That is, the seismic action of the steel structure is than that of the reinforced concrete structure under the same structure period, mass and other parameters. ( ) A: smaller smaller B: smaller larger C: larger smaller D: larger larger