Final Exam

¡Supera tus tareas y exámenes ahora con Quizwiz!

Which joint shown above is a butt joint

A

In C in C machining, how are the primary rotary axes designated?

A, B, C

This type of cutting fluid causes a film to develop on the tool surface and provides anti-weld properties. They contain sulfur chlorine and or phosphorus.

Active cutting oil's

Which is true of alternate sawtooth set

All of the above

Which of the following is a true advantage of Bandsawing?

All of the above

Which of the following is true? - A is rotation about the X axis - B is rotation about the Y axis - C is rotation about the Z axis - All of the above

All of the above

In the EDM, the cutting tool is actually

An electrode

The heat source for oxyfuel-gas welding Comes from which of the following?

And exothermic reaction with oxygen

Which joint shown above is a Lap joint?

B

Which joint as shown above is a Tee joint

C

Joint design in brazing is especially important because of its influence on:

Capillary action

The EDM workpiece must be

Conductive

EDM electrodes are made of

Copper or graphite

Which joint shown above is an edge joint

D

The largest single use of EDM is for

Die making

This process is the thermal erosion process In which metal is removed by a series of recurring electrical discharge is between a cutting tool acting as an electrode and a conductive workpiece, in the presence of a dielectric fluid.

Electrical discharge machining

This type of cutting fluid contains oil droplets suspended in water by special additives to hold the oil in suspension

Emulsifiable cutting oil's

On a twist drill, this feature allows a space for the chips to move out of the hole

Flute

In the process illustrated above, The electrode is melting into the weld pool. What is this process known as?

GMAW

What is the proper term for the type of welding commonly called Mig

GMAW

What is the proper term for the type of welding commonly called Tig

GTAW

Which is true of wavy sawtooth set

Groups are flared left and right

This element of sawblade geometry is where the chip goes as it is formed

Gullet

For long holes such as those found in gun bores, __________ drills are used. The length of the hole requires that coolant delivered through the shaft of the drill to the cutting front.

Gun

Which of the following is not a desirable characteristics of a cutting fluid?

Hydrophobic reaction with the surface of the workpiece

Which of the following is not an advantage of emulsifiable oil's?

Illuminates all problems associated with rancidity and bacterial growth

This type of hole intersects another hole within a workpiece

Interrupted hole

The pitch of a sawblade refers to the distance between teeth. what is a good rule of thumb when selecting a blade pitch?

It must be fine enough that at least three saw teeth or engaging the material at any given time

Soldering is not used to join:

Metal to glass

Which of the following is a true advantage of power hacksawing?

None of the above

Which of the following is not true of acetylene? - It is hazardous at pressures exceeding 15 psi - It is dissolved in acetone in the cylinder - It is a simple hydrocarbon - none of the above (all are true of acetylene)

None of the above

Which of the following is not a function of a cutting fluid?

None of the above (all are functions of cutting fluids)

Which of the following is not a health risk associated with the use of cutting fluids?

None of the above (all are health risks associated with cutting fluids)

Periodically with drawing the drill to clear chips is called

Pecking

Which of the following is not a function of the dielectric fluid used an EDM

Polishes the machined layer

This type of saw uses reciprocating motion

Power hacksaw

There are two main types of EDM's; The _______ (or sinker) and the _______. Each are used to produce very small and accurate parts as well as large items like automotive stamping dies and aircraft body components. The largest single use of EDM is in die making.

Ram——-wire

Welding current can be of three types. Direct current electrode negative or _________- Causes electrode to melt faster and deposit filler metal faster. Used on thin materials. In this arrangement, the electrode is negative and the work piece is positive.

Reverse polarity

Which of the following is not a true difference between SAW AND SMAW?

SAW Is done underwater

The proper term for welding with a flux covered electrode is _________.

SMAW

The twist drill is held and driven by the ________. These can be straight for use in collets or drill chucks, or tapered for mounting directly into machine spindles.

Shank

Which of the following is not a purpose served by the electrode covering?

Shields the welder from electrical shock

The main disadvantage of wire EDM is

Slower metal removal rates

Welding current can be of three types direct current electrode negative or ________- Causes electrode to melt faster and deposit filler metal faster. Used on thin materials. In this arrangement, the electrode is negative and the workpiece is positive.

Straight polarity

This method of soldering does not require holes to penetrate the board.

Surface mount technology

The main difference between brazing and soldering is one of:

Temperature

When identifying axes on a typical machine tool, this axis is usually the easiest to find because it is the axis about which the spindle rotates

The Z axis

In CNC machines, G90 and G91 would make a difference In which of the following?

The tool path

This type of hole typically is preferred due to its simplicity

Through hole

The type of drill reduces the amount of materials that must be removed. Only cuts a ring of material out. Lasers drill by this method.

Trepan

On a typical or more access wire EDM machine, one set of coordinates is designated as X and Y. How are the other two axes identified?

U and V

The ________ is the solid part of the drill bit along the axis of the tool.

Web

_____________ Is the consolidation of two materials by means of temperature and or pressure to cause the materials to melt or diffuse at the joint. It involves a coalescence of completely melted base and filler metals.

Welding

In CNC machine how are the primary linear axes designated

X, Y, Z


Conjuntos de estudio relacionados

Section 11: Unit 2 Practice Exam

View Set

Chapter 16-Cardiovascular Emergencies

View Set

Chapter 35, 32, 22, Concept 37 (week 10) Quiz on 11/4/19

View Set

Medical Assistant Pharmacology : Parenteral Medications

View Set

Chapter 19: Nutritional Concepts and Related Therapies

View Set

Systems-Based Emergency Medicine Course Objectives: Hematologic Emergencies PA 605 ER

View Set

Chapter 7: Individual and Group Decision Making Connect Quiz

View Set

General Psychology 150: Chapter 4

View Set

Sp 3 U3.2 Futuro del planeta definitions

View Set

ATI Nutrition dynamic quizzes study questions

View Set