Centrifugal Casting
How many atoms are there in the face-centered cubic (FCC) unit cell (one correct answer)
4
Which of the following industries are classified as secondary industries (three correct ?(answers
beverages publishing transportation
:The upper half of a sand-casting mold is called which of the following
cope
Name two departments that are typically classified as manufacturing support departments.
1.Quality control 2.manufacturing engineering 3.production planning and control
Explain in brief the principal of the following Non-Destructive Testing Ultrasonic Testing (UT)
A devis which send ultrasonic waves in to the material and calculate the distance and time for detect the crake
Explain in brief the principal of the following Non-Destructive Testing Radiographic Testing (RT)
A method that uses x ray or gamma and make a image for the part to detect if there any crake
3- How do grain boundaries contribute to the strain hardening phenomenon in metals?
Because the grain boundaries blocking the movement and dislocation during straining
Which of the following casting processes are permanent- mold operations (two correct : (answers
Die casting ?
1- Identify some materials that possess a non-crystalline structure.?
Glasses rubber plastics
Explain in brief the principal of the following Non-Destructive Testing Liquid (Dye) Penetrant Test (PT)
Method that uses a liquid for detecting the crake on the serves of the part
Explain in brief the principal of the following Non-Destructive Testing Magnetic Particle Testing (MT)
Method that uses magnetic felid to detect any crake
What are the differences among primary, secondary, and tertiary industries? Give an example of each category.
The primary is all about finding and take the source like mining The secondary using that source for making a product like making a fan for cooling Tertiary is all about the economy like the money that you need for the product
What is a cupola
Type of furnace that uses layer of coke to charge and layer of iron
Explain in brief the principal of the following Non-Destructive Testing Eddy Current Testing (ET)
Uses a ultra sound to produce current for detecting the crake in the part
2- What are some common point defects in a crystal lattice structure?
Vacancy ion pair vacancy Frenkel defect interstitialcy
Which of the following are advantages of die casting over sand casting (four best :(answers
better surface finish closer tolerances larger parts can be cast ?
:Cupolas are furnaces used to melt which of the following metals (one best answer)
cast iron
:Ferrous metals include which of the following (two correct answers)
cast iron ceramic
Which of the following processes start with a material that is in a fluid or semifluid state .1.5 :and solidifies the material in a cavity (two best answers)
casting molding
In foundry work, a runner is which one of the following
channel in the mold leading from the down sprue to the main mold cavity
Which of the following are the three basic types of static stresses to which a material .1.1 can :be subjected (three correct answers)
compression shear tensile
A production planning and control department accomplishes which of the following .1.10 :functions in its role of providing manufacturing support (two best answers)
designs and orders machine tools schedules the order of products on a machine
Sand casting is which of the following types
expendable mold
:Deformation processes include which of the following (two correct answers)
extrusion forging
?Which of the following qualifies as a precision casting process (two correct answers)
investment casting shell molding
Name the three basic categories of materials
metals, ceramics, polymers
?Which one of the following is a machine used to perform extrusion .1.8
press
Particulate processing of metals and ceramics involves which of the following steps (two .1.6 best : (answers
pressing sintering
:Mining is classified in which one of the following industry categories
primary industry
High-volume production of assembled products is most closely associated with which .1.9 :one of the following layout types
product layout
Which one of the following is the correct definition of ultimate tensile strength, as .1.2 ?derived from the results of a tensile test on a metal specimen
the maximum load divided by the original area of the specimen
Total solidification time is defined as which one of the following
time between pouring and complete solidification
If stress values were measured during a tensile test, which of the following would have .1.3 :the higher value
true stress