Which of the following judges the accuracy of an instrument ?

A. 760.5
B. 860.5
C. 960.5
D. 1060.5

A. Bellow
B. Diaphragm
C. Strip
D. Bourdon tube

A. 63.2
B. 87.5
C. 95
D. 100

A. Weir
B. Pitot tube
C. Vane meter
D. Venturimeter

A. Proportional to
B. Inversely proportional to the square root of
C. Proportional to the square root of
D. Inversely proportional to the square of

A. Feed forward control
B. More than one feed-back loop
C. On-off control
D. One feed-back loop