MIT Video Quiz 1

These multiple-choice questions relate to the material found in MIT Shop Video 1: http://techtv.mit.edu/videos/142-machine-shop-1

For each question choose the best answer provided.

What is needed prior to using machine shop tools to make a part?

a dimensioned layout drawing or sketch of the part

an understanding of the capability of each machine shop tool

an understanding of shop safety and how to operate each tool safely

all of the choices

What is the purpose of an adjustable square?

to allow scoring of orthogonal or parallel lines relative to a given edge

to measure out angles

to score parallel lines directly into a material

all of the choices

A center finder placed in a drill chuck can be used to

center the drill press spindle and chuck above a center punch indentation.

locate the center of a circle.

create a center punch.

all of the choices

What is the purpose of center punching a material?

to provide an identifiable surface feature for locating a drill bit

to provide a mark that can not easily be erased or removed from the material's surface

to provide a quick alignment depression in soft materials for drilling

all of the choices

A fast layout method for making a part is to

use carbon paper and trace out the layout on the material.

transfer dimensions one-by-one from a drawing to the material.

print a true-sized paper layout and to affix it via spray-on adhesive to the material.

all of the choices

What is the primary use of a stationary belt sander?

to sharpen very hard steels used in drill bits and machine tools

to polish surfaces

to make broad (belt-width) cuts in soft materials

to grind down rough edges of cut materials

Parallel lines can be scribed on a material by

using a series of parallel bars of various widths.

using a caliper to score parallel lines directly into a material.

marking a straight line through pairs of separated points set at fixed lengths from an edge.

all of the choices

What is the purpose of using a layout fluid on a metal piece?

to lubricate the tool prior to machining

to prevent slippage of the material in the operator's hands

to clearly inscribe cut lines and center mark points for drilling

all of the choices

What is the purpose of a transfer punch?

to transfer the center-point of an existing hole in one material to another

to almost match the diameter of the existing hole thereby centering the punch

to transfer an indentation into a material for locating a precise drilling location

all of the choices

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