Hacksaw Basics

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What is the purpose of adjusting the blade tension in a hacksaw?

To increase the cutting speed
To ensure a straight cut and lengthen the life of the blade (correct)
To enable the saw to cut through harder materials
To reduce the frame's weight

What type of hacksaw is suitable for general light work where a standard hacksaw is too clumsy?

Pistol grip hacksaw
Standard hacksaw
Coping saw
Junior hacksaw (correct)

What is the typical material used to make hacksaw frames?

Fiberglass
Aluminum alloy
Rectangular section steel tube (correct)
Wood

How are the blade attachment points typically mounted in a hacksaw?

In square holes (D) Signup and view all the answers

What is the recommended practice after using a hacksaw?

Release the blade tension (B) Signup and view all the answers

What is the typical length of blades used in a coping saw?

6.25 in. (A) Signup and view all the answers

What is the recommended method to determine the size of a drill that is too small to have the size stamped on the shank?

Using a drill gauge (D) Signup and view all the answers

What type of drill has a cutting insert of harder material brazed or welded to a softer body?

Tipped drill (C) Signup and view all the answers

What element is present in High-Speed Steel (HSS) drills in a percentage range of 8-12%

Tungsten (C) Signup and view all the answers

What is the advantage of using High-Speed Steel (HSS) drills over Carbon Steel drills?

HSS drills can be used at higher speeds (A) Signup and view all the answers

What is the typical material found on the shank of Carbon Steel drills?

CS (B) Signup and view all the answers

What type of drill is made of the same material throughout?

Solid drill (B) Signup and view all the answers

What is the limitation of using a standard countersink bit in a hand or power drill?

It lacks accuracy and consistency (D) Signup and view all the answers

What is the advantage of using a stop countersink tool?

It can cut an exact countersink repeatedly (B) Signup and view all the answers

What is the purpose of dimpling in aircraft skin?

To accommodate the head of the rivet (B) Signup and view all the answers

What is the result of using coin dimpling?

A sharply defined and parallel-sided hole (A) Signup and view all the answers

What is the advantage of using dimpling dies?

It allows a number of sheets to be stacked together (B) Signup and view all the answers

What is the characteristic of a hole formed using coin dimpling?

It has a smooth edge (A) Signup and view all the answers

What is the primary advantage of using an expanding reamer?

It has a longer life compared to solid reamers (A) Signup and view all the answers

How are the cutting blades held in place in an adjustable reamer?

With a nut at each end (C) Signup and view all the answers

What is the purpose of the taper on the bottom of each slot in an adjustable reamer?

To keep the cutting edges of the blades parallel (C) Signup and view all the answers

What is the primary advantage of using a piloted chucking reamer?

It provides a high degree of accuracy (B) Signup and view all the answers

What is the typical increment of piloted chucking reamers?

1/64 in. (A) Signup and view all the answers

What type of fit is a piloted chucking reamer typically produced in?

Interference fit (B) Signup and view all the answers

What is the purpose of reversing the die when cutting threads?

To sever the cuttings (B) Signup and view all the answers

What is the purpose of the tapered thread on the die?

To allow for easier starting (B) Signup and view all the answers

What type of die is used for cutting larger diameter threads?

Rectangular die (B) Signup and view all the answers

What should be done when the thread is too tight?

Back off the centre adjusting screw and turn the outer adjusting screws inwards (A) Signup and view all the answers

What is the purpose of checking the thread with a finished nut?

To ensure the thread is properly cut (D) Signup and view all the answers