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单选题
Which of the general advantages listed does the electrical pyrometer have over the mechanical pyrometer?（）
A
When heated, it will move proportional to the amount the metal has lengthened or expanded
B
The pointer associated with the pyrometer scale can be made to also measure engine RPM
C
It can be utilized in exhaust manifolds and heat exchangers interchangeably
D
It can indicate temperature at a distant point from the source heat
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更多 “单选题Which of the general advantages listed does the electrical pyrometer have over the mechanical pyrometer?（）A When heated, it will move proportional to the amount the metal has lengthened or expandedB The pointer associated with the pyrometer scale can be made to also measure engine RPMC It can be utilized in exhaust manifolds and heat exchangers interchangeablyD It can indicate temperature at a distant point from the source heat” 相关考题
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It requires only very small quantities of a sampleB
It requires metal.ions in aqueous solutionC
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It does not get hot like a flame
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