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
