The gravity controlled instruments has to be kept vertical

Q.  The gravity controlled instruments has to be kept
- Published on 15 Sep 15

a. Vertical
b. Horizontal
c. Inclined at 45 degree
d. Inclined at 75 degree

ANSWER: Vertical

Post your comment / Share knowledge


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)