A chain-suspended diaphragm box and pressure instrument are used to measure liquid level in a tank which is 10 feet in diameter and 15 feet deep. The tank contains a liquid that has a specific gravity of 0.9 at ambient temperature. The span of the pressure instrument required is approximate
A. 10 psi
B. 25 psi
C. 5 psi
D. 15 psi
Answer:C
A chain-suspended diaphragm box and pressure instrument are used to measure liquid level in a tank which is 10 feet in diameter and 15 feet deep. The tank contains a liquid that has a specific gravity of 0.9 at ambient temperature. The span of the pressure instrument required is approximate
A. 10 psi B. 25 psi C. 5 psi D. 15 psi