Chapter 5
The first inexpensive industrial process for the mass production of steel from molten pig iron was developed by?
Who was Henry Bessemer
Turbulence which causes abrasion within piping can be caused by?
What is high velocity fluid flow
__ flow is fluid flow in which each particle moves along its line of flow with constant speed and in which the cross section of each stream tube remains unchanged.
Uniform
The mechanical advantage of the wheel and axle is the ratio of the ___ of the wheel to that of axle
What is Radius
___ is a type of plastic that cannot be remelted after it has been shaped and cured.
What is thermoset plastic
High density polyethylene revolutionized the plastics industry because ?
What is it was more heat-resistant than other plastics
What is the contamination of system water with algae bacterial slime or fungi?
What is Microbial contamination
The two types of fluid flow in piping are __ and turbulent.
What is Laminar
The degree to which energy is reduced is a measure of a system's
What is efficiency
A ___ is a type of corrosion protection used to build a vapor-proof and flexible protective coat in accordance with its formulation and polymerization grade often used on underground piping.
What is bituminous coating
One characteristic of most metals and metal alloys is they?
What is opaque
What corrosion can occur in an underground installation where existing cast-iron pipe is connected to new steel pipe?
What is Galvanic
The longer that corrosion continues and mineral deposits accumulate within piping, the greater ___ to flow will be.
What is resistance
The design of most modern complex machines is to eliminate the need for muscle power and utilize a transformation of?
___ is a force that pushes a mass outward when it is spinning around a center.
What is centrifugal force
One property that is most important to piping materials is?
What is Mass
Corrosion that happens in the form of __ occurs with definite anode and cathode areas?
What is localized corrosion
___ is the pressure read on a pressure gauge installed in the piping system at any point while fluid id flowing.
What is Flow pressure
Sir Isacc Newton formulated three laws of?
Motion
A gravity flow system needs the ___ of pipe to initiate flow or velocity in horizontal pipe because it creates the elevation differential allowing flow from a higher area to a lower area.
What is grade
A pipe's ___ normally includes the minimum and maximum temperatures the piping material or mechanical device is designed for and may include the pressures this range is specified for.
What is temperature rating
Cast-iron or steel pipe will be ___ to a copper pipe in an underground installation.
What is anodic
is the elimination of the trap seal because of a partial vacuum, pressure less than atmospheric, created on the outlet side of the trap.
What is siphonage
A ___-class lever has the effort point between the load and the fulcrum with the effort and load moving in the same direction.
What is third class
A ___ is a device that extracts thermal energy from steam and converts it to mechanical work through a rotating output shaft.
What is a steam turbine