问题
选择题
在调节托盘天平使横梁平衡时,指针偏向分度盘的中线左侧,此时游码已经对零,下列几种调节中正确的是[ ]
A、把横梁右端的平衡螺母向右调
B、把横梁右端的平衡螺母向左调
C、把标尺上游码向右移动些
D、把天平搬动一下位置就行了
答案
答案:A
在调节托盘天平使横梁平衡时,指针偏向分度盘的中线左侧,此时游码已经对零,下列几种调节中正确的是[ ]
A、把横梁右端的平衡螺母向右调
B、把横梁右端的平衡螺母向左调
C、把标尺上游码向右移动些
D、把天平搬动一下位置就行了
答案:A
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