ZZC-3 Flashcards
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Questions and Answers

Another name for a machinist's hammer is _____.

ball-peen hammer

A heavy-duty tool used to drive posts or other large stakes is a _____.

sledgehammer

The proper angle for the edge of a cold chisel is _____.

60 degrees

The type of screw shown in figure 4 on the Test Image sheet is a(n)

<p>Robertson®</p> Signup and view all the answers

Which of the following screws comes to a relatively sharp point at the base of its drive socket?

<p>Reed and Prince</p> Signup and view all the answers

How many sides does a hexagonal shape have?

<p>Six</p> Signup and view all the answers

In what way is a spud wrench different from a pipe wrench?

<p>It has smooth jaws.</p> Signup and view all the answers

To quickly run a nut onto a bolt that resists spinning it on with the fingers, you can drive the socket with a(n) _____.

<p>speed handle</p> Signup and view all the answers

Another common name for lineman pliers is _____.

<p>side cutters</p> Signup and view all the answers

Because of its stiffness, a folding rule is better than a cloth or steel tape for measuring _____.

<p>vertical distance</p> Signup and view all the answers

One situation that can make a measurement with a laser inaccurate is measuring to a _____.

<p>highly reflective surface</p> Signup and view all the answers

When an object is plumb, it is _____.

<p>perfectly vertical</p> Signup and view all the answers

In addition to level and plumb, some spirit levels can check a _____.

<p>45-degree angle</p> Signup and view all the answers

To check level conditions over a significant distance, such as a building foundation or longer distance, the best level to use is a

<p>laser level</p> Signup and view all the answers

Which of the following saws would likely have the fewest teeth per inch, resulting in the largest teeth?

<p>A ripsaw</p> Signup and view all the answers

The saw shown in figure 5 on the Test Image Sheet is called a _____.

<p>coping saw</p> Signup and view all the answers

The best designed saw for cutting miter joints is a _____.

<p>backsaw</p> Signup and view all the answers

When using a utility knife, place a piece of scrap material under the object you are cutting in order to _____.

<p>protect the surface under the object</p> Signup and view all the answers

The safest kind of utility knife is one with a _____.

<p>retractable blade</p> Signup and view all the answers

Shovels typically have handles made of wood or _____.

<p>fiberglass</p> Signup and view all the answers

Before using a pick, check to be sure that the head is ____.

<p>fixed firmly to the handle</p> Signup and view all the answers

A chain fall locks its elevated load in place using _____.

<p>an automatic brake</p> Signup and view all the answers

Cable come-alongs are used to move loads _____.

<p>horizontally for short ground distances</p> Signup and view all the answers

The type of clamp shown in figure 6 on the Test Image sheet is a _____.

<p>spring clamp</p> Signup and view all the answers

Because of the shape of its jaws, which clamp can spread clamping pressure over a wider area than the others?

<p>A hand-screw clamp</p> Signup and view all the answers

Study Notes

Tools and Their Uses

  • A machinist's hammer is commonly referred to as a ball-peen hammer.
  • A heavy-duty tool for driving posts is known as a sledgehammer.
  • The proper edge angle for a cold chisel is 60 degrees.

Screw Types and Features

  • A Robertson® screw is featured in specific illustrations, characterized by its crucial design.
  • Reed and Prince screws are distinguished by their relatively sharp point at the base of the drive socket.

Shapes and Measurements

  • A hexagonal shape has six sides.
  • Folding rules offer advantages over cloth or steel tapes, particularly for measuring vertical distances.

Types of Wrenches

  • Spud wrenches differ from pipe wrenches due to their smooth jaws.

Tools for Fastening

  • A speed handle is used to quickly run a nut onto a bolt when it resists manual turning.

Pliers Terminology

  • Lineman pliers are also known as side cutters.

Measurement Tools

  • Laser measurements can be rendered inaccurate if measuring to a highly reflective surface.
  • When an object is described as plumb, it means it is perfectly vertical.
  • In addition to checking for level and plumb, some spirit levels can also determine a 45-degree angle.
  • To check level conditions over larger areas, a laser level is the most efficient tool.

Types of Saws

  • Ripsaws typically have the largest teeth, resulting in the fewest teeth per inch.
  • A coping saw is used for intricate cuts and is identified in visual aids.
  • Backsaws are specifically designed for cutting miter joints.

Utility Knives and Safety

  • When using a utility knife, placing scrap material underneath the object helps protect the surface below.
  • The safest utility knife features a retractable blade.

Shovels and Picks

  • Shovel handles are typically made of either wood or fiberglass.
  • Before using a pick, confirm that the head is firmly fixed to the handle.

Lifting and Moving Tools

  • Chain falls lock elevated loads using an automatic brake for safety.
  • Cable come-alongs are effective for moving loads horizontally over short distances.

Clamps

  • Spring clamps are recognized in visual references and offer quick fastening capabilities.
  • Hand-screw clamps can distribute clamping pressure more evenly due to their jaw shape.

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Test your knowledge of essential tools and their uses with the ZZC-3 Flashcards. Each card features a term related to machining and its correct definition. Perfect for anyone looking to enhance their technical vocabulary.

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