What is the difference between ductile iron rings and steel rings?
What will be an ideal response?
Ductile iron, also called nodular iron, is about twice as strong as plain cast iron. It is always coated with moly or chrome.
Steel rings are made from steel wire. They are coated with chrome or plasma moly because they would be prone to scuffing on cast iron cylinder walls.
You might also like to view...
What type of tank is only for substances that do not contain toxic vapors or high vapor pressure liquids?
A) Atmospheric tanks B) Pressurized tanks C) Spherical tanks D) Hemispheroid tanks
A plumber is installing a valve on a water supply line that will frequently remain completely open. The best
type of valve to install is a _____ valve. A) check B) ball C) gate D) globe
Secondary fluids (refrigerants) remain as a liquid at all times.
Answer the following statement true (T) or false (F)
A pilot duty overload has a set of contacts that will open if an overload occurs in the ____________________ side of the overload.
Fill in the blank(s) with the appropriate word(s).