final- mechanical fabrication

An M14 x 1.5-6g x 70 hex bolt has a major diameter of _____

14 mm

The opening of an open end wrench is angled __________ degrees to allow it to be flipped over and repositioned for access to fasteners in tight locations.

15

To determine the grade of a bolt using the US Customary system, you must add _____ to the number of the slashes on the bolt head.

2

Two examples of power output devices in a pneumatic system are motors and __________.

Cylinders

__________ is a tough but flexible tubing often used as an air supply line.

Hard nylon tubing

_________ stands for American National Standard Unified Threads, Fine.

NPTF

__________ is a type of conductor that can withstand high pressure and is often used for permanently installed

Pipe

__________ consists of two rubber layers with a braided cloth layer between them.

Rubber hose

__________ is/are used to fill the small gaps between threads to prevent leakage of air, gases, or liquids.

Sealants

A(n) __________ wrench is used to tighten socket head cap screws when there is no hand clearance around the fastener.

T-Allen

__________ is a thin waterproof tape commonly used to seal tapered pipe thread fittings.

Teflon tape

Bolt sizes are specified using either SI metric or _____ units.

US Customary

A __________ adapter is a multi-piece adapter used with a ratchet wrench to allow the wrench to work at an angle.

Universal

Barb fittings can be held stationary while installing them on a hose by placing them in a bench vise, installing them in a bulkhead or using __________.

an installation tool

A __________ should be used to prevent the head of a fastener from turning while its nut is being tightened.

backup wrench

The _____ of a hex bolt provides a smooth surface with a limited amount of friction during the tightening process.

bearing surface

_____ is a permanent assembly process that uses adhesives to create lighter stronger than more conventional assembly processes.

bonding

A __________ prevents a pneumatic hose from being damaged when it passes through an opening in a wall.

bulkhead fitting

A 1/2-13 UNC-2A x 2-1/4 hex bolt has _____

coarse threads

Rounded corners on a hex bolt's head __________.

could cause the wrench to slip off the head during tightening

One permanent method of connecting a fitting to a rubber hose is __________.

crimping

When tightening bolts in a sequence, the criss-cross sequence is used to avoid __________.

cross-talk

The __________ fitting is secured to pneumatic tubing by wedging a bushing between the collar and body during the tightening process.

ferrule

The __________ the fastener the wrench handle is grasped, the greater the tightening force that can be applied.

further away from

The proper way to specify pneumatic tubing is to __________.

give the outer diameter followed by the inner diameter

Washers are designated by their type, size, coating, material, and _____

hardness

Hex keys are __________ shaped bars of steel bent to allow them to be used as a wrench.

hexagon

An adjustable wrench should be positioned on a fastener so that when rotated, __________.

it turns towards the movable jaw

A spring washer is a type of _____ washer

lock

The first number in a pipe thread designation describes the __________.

nominal pipe size

A snap wring is one type of a _____ fastener

non-threaded

When tightening a fastener, you should __________.

pull the wrench towards your body

The __________ fitting is used for rapid tube changes without causing damage to the tube or fitting.

push-on

An adjustable wrench's movable jaw is positioned by __________.

rotating a worm gear

A _____ head bolt is used where maximum wrench contact is important. It can be tightened using a common open end wrench.

square

A __________ requires a gasket or O-ring to prevent it from leaking.

straight thread fitting

A(n) __________ is used to connect two lines together end-to-end.

straight union

When picking a socket to use, a 6-point socket is the __________, although the 12-point is the most common.

strongest

A _____ is a rod that has threads on both ends and no head and is used in place of a bolt or screw where it is not convenient or possible to access the head of a fastener.

stud

The set of letters at the end of a straight thread fitting designation represents __________.

thread standard

A metric bolt has its grade designated by _____ stamped on its head.

two numbers

Before inserting a threaded fastener into the clearance holes during an assembly operation, __________.

visually verify that the fastener will fit through all clearance holes

The ratcheting action of a ratchet wrench allows the user to reset the tool back to its starting point __________.

without the need to remove it from the fastener