A measuring instrument that uses gravity control for applying the controlling torque can only be used in ______ position.

A measuring instrument that uses gravity control for applying the cont

1.	A measuring instrument that uses gravity control for applying the controlling torque can only be used in ______ position.
A.	vertical
B.	horizontal
C.	slanting, upto 120 degrees
D.	slanting, upto 45 degrees
Answer» B. horizontal

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A measuring instrument that uses gravity control for applying the controlling torque can only be used in ______ position.

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