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Lathes and Turning Operations Review
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Lathes and Turning Operations Review

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Questions and Answers

The feed rate in the operation is 0.30 mm/rev.

True

The cutting speed for the drilling operation is 25 ft/min.

False

The total metal removal rate during the operation exceeds 1.50 in3/min.

False

The two spindles in the drill have different feed rates for drilling the holes.

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

The cutting time to complete the drilling operation is not provided in the text.

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

The machining time required to drill a through hole can be determined using the formula Tm = t/fr.

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

In a drilling operation, metal removal rate increases with a higher feed rate.

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

The rate of metal removal in drilling is determined by the product of drill cross-sectional area and cutting speed.

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

In a drilling operation, the approach allowance accounts for the drill point angle.

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

In a drilling operation, feed rate is determined by fr = Nf.

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

Hole depth in a blind hole is defined as the distance from the work surface to the depth of the full diameter.

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

In drilling, the cutting tool is called a broach.

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

Reaming is an operation related to turning.

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

A blind hole is a hole that exits on the opposite side of the work material.

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

The area of the frustrum of a cone can be calculated using the formula A = π(R1 + R2){h^2 + (R1 - R2)^2}^0.5.

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

The volume cut in turning is calculated by multiplying the area A by the depth of cut d.

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

A radial drill press is typically used for small parts due to its compact size.

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

The rotational speed of the drill can be represented by the symbol V.

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

A drill jig is a work holding device designed specifically for a particular work part.

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

The feed in drilling is specified in mm/rev.

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

The uncut chip thickness taken by each cutting edge is double the feed.

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

A vise is a work holder with one jaw.

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

A drill fixture is the same as a drill jig in terms of function.

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

The automatic controls on the lathe allow the surface speed to be maintained at a constant value of 100 m/min.

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

The workpiece for turning the tapered surface has a length of 650 mm.

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

The minimum diameter of the workpiece for turning the tapered surface is 100 mm.

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

The depth of cut for turning the taper is 2.0 mm.

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

The feed rate for turning the taper is 0.50 mm/rev.

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

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