Temperature measuring and altitude measuring instruments

Q.  If a balloon is equipped with temperature and altitude measuring instruments, then the order of the temperature measuring and altitude measuring instruments are
- Published on 04 Nov 15

a. Zero order, first order
b. Both are first order instruments
c. Both are zero order instruments
d. First order, zero order

ANSWER: First order, zero order

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.)