What is the pressure at the bottom of a water tank that has a ...

[ereecah]

What is the pressure at the bottom of a water tank that has a cross section of 10 ft2 and is filled with water to a depth of 40 ft?
 
  A) (40 ft  10 ft2)/0.433 = 924 psi (rounded) B) 40 ft  0.433 lb/ft = 17 psi (rounded)
  C) 40 ft  0.433 lb/ft  10 ft2 = 170 psi (rounded) D) (40 ft  0.433 lb/ft)/10 ft2 = 1.7 psi (rounded)

Question 2

How does atmospheric pressure and a vacuum relate to manometers?
 
  A) A manometer may use a vacuum and atmospheric pressure to operate.
  B) The manometer equalizes pressure of a vacuum.
  C) A manometer checks pressure greater than atmospheric pressure.
  D) The manometer can detect a vacuum at absolute pressure.

[patma1981]

Answer to Question 1

B

Answer to Question 2

A

[ereecah]

Wow, this really help

[jackie]

Thanks for the timely response, appreciate it