`IMSE 382 Module 7 Quiz
Which one of the following is closest to the temperatures used in plasma arc cutting? 5500 C 100 C 11,000 C 2750 C 8300 C
11,000
Which of the following is NOT a common ingredient in cemented carbide cutting tools (two correct answers): Tungsten carbide Cobalt Titanium carbide Alumina Chromium carbide
Alumina and Chromium carbide
The materials commonly used as wire in wire EDM include (three answers): tungsten molybdenum oxide copper tungsten carbide brass silver
Brass, Copper, and Tungsten
Of the following abrasive materials, which one has the highest hardness? cubic boron nitride cementite aluminum oxide silicon oxide silicon carbide
Cubic Boron Nitride
Which one of the following cutting conditions has the strongest effect on cutting temperature feed depth of cut cutting speed
Cutting Speed
The metal removal rate in electric discharge machining depends on which of the following variables and properties (two correct answers): discharge current specific heat of the tool melting temperature of the work metal hardness of work metal tensile strength of the work piece
Discharge current and Melting temperature of work metal
Abrasive water jet cutting and abrasive jet machining are two different names for the same process. True False
False
Applications of electron beam machining are limited to metallic work materials because the work must be electrically conductive. True False
False
Which of the following manufacturing processes are classified as material removal processes (two correct answers): Spinning Grinding Drawing Casting Molding Forging Extrusion Pressworking Machining
Grinding, machining
The abrasive machining processes are generally used as finishing operations True False
True
Which of the following are the three most common machining operations: lapping turning milling broaching drilling shaping planning
Turning, Milling, and drilling
As an alloying ingredient in high-speed steel, tungsten serves which of the following functions (two best answers): increases corrosion resistance increases hot hardness increases toughness improves strength and hardness depth hardenability during heat treatment forms hard carbides to resist abrasion
Increases hot hardness and forms hard carbides to resist abrasion
Which one of the following processes would be appropriate for cutting a hole of 0.075 mm (0.003 in) diameter through a plate of aluminum that is 1.6 mm (1/16 in) thick? water jet cutting laser beam machining abrasive jet machining Wire-EDM EDM
Laser beam machining
The mechanism of chip formation in machining is best described by which one of the following: tensile failure shear deformation fracture failure compression fatigue failure creep failure
Shear deformation
The basic Taylor tool life equation defines the relationship between which two of the following variables: feed depth of cut feed rate cutting speed tool life work material hardness
Tool Life and Cutting Speed
The material removal processes are a family of shaping operations in which excess material is removed from a starting work part so that what remains is the desired final geometry True False
True
The material removal processes are a family of shaping operations in which excess material is removed from a starting work part so that what remains is the desired final geometry Correct! True False
True
Ultrasonic machining can be used to machine both metallic and nonmetallic materials True False
True
A single-point cutting tool is used for which one of the following operations: drilling rolling turning casting forging milling
Turning
Which of the following are the two main functions of a cutting fluid in machining (two best answers): reduce forces and power remove heat from the process improve surface finish on the workpiece wash away chips reduce friction at the tool chip interface
Wash away chips and remove heat from the process