單項(xiàng)選擇題重力加速度計(jì)的電壓范圍是多少?()

A.-1VDC~+1VDC
B.-4.5VDC~+4.5VDC
C.-2.0VDC~+2.0VDC


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A.10110111001
B.010010011000
C.101011011000

2.單項(xiàng)選擇題磁性物質(zhì)在何溫度磁性消失:()

A.3000℃
B.3000°F
C.600℃

3.單項(xiàng)選擇題泥漿泵18.2升/沖,若排量為34升/秒,那么泵排量為:()

A.112沖/分
B.95沖/分
C.118沖/分

4.單項(xiàng)選擇題在泥漿中脈沖的傳播速度為:()

A.4000Ft/sec
B.500Ft/sec
C.2000Ft/sec

5.單項(xiàng)選擇題磁力單點(diǎn)測(cè)斜儀方位的讀數(shù)誤差:()

A.±2°
B.±0.5°
C.±1°