Science Chapter 2.3

A device commonly used to measure low pressures with the use of a "U-Tube" is called a _________________.

One in. of water column is equal to ________ psig.

One in. of HG column is equal to approximately ____ in of water column.

Describe the operation of the Bourdon tube gage show in fig. 1. Answer is on Pg. 73 be through and we will discuss in class.

The float ball in a water closet depends upon the principle of ________to operate the ballcock

The term gallons per minute (gpm) is an expression used when measuring ____.

the term feet per second (fps) is an expression used when measuring _____.

As a fluid flows through a piping system there is a loss of pressure due to friction. List 4 factors which will affect this pressure loss.

• viscosity of fluid

• length of fluid

• velocity of flow

• size and type of pipe

• Number and type of fittings and valves

With the quantity of flow in gpm constant, the velocity of flow will _______ with a decrease in pipe size.

As the velocity of flow increases, due to a constriction, the pressure against the will of the pipe will _______.