Approved alterations to ships under the cognizance of NAVSEA are known as ___________.
__________ provide the standard means by which naval activities are furnished plans, instructions, and material for accomplishment of alterations or modifications to naval ordnance material in service or in store.
The time normally required for degaasing detergent solutions is approximately ++ minutes; fresh water may require as
much as ++ minutes.
The maximum length of time in a ultrasonic cleaner should usually be ___ minutes.
A typical ultrasonic cleaning unit is one in whichthe frequency of the ultrasonic oscillator is approximately _____ Hertz.
When utilizing the ultrasonic cleaning method you should leave the immerse the assembly or parts in the cleaning solution for approximately __ to __ minutes.
Methyl chloroform has a threshold of ___ parts per million (ppm) in air, whereas carbon tetrachloride has a threshold of ___ ppm.
The point of a center punch is carefully ground to an angle of __ degrees.
The _____ punch is used to knock out rivets after the heads have been cut off.
The ___ punch is made with a straight shank and is used to follow-up on the job requiring a starting punch.
This punch is used for moving or shifting plates or parts so that corresponding holes will line up.
The aligning punch is generally from __ to __inches in length and has a long taper
The ________ punch is
used for cutting holes in gaskets and similar materirds.
hollow shank gasket
An alloy which has a single sharp melting point and changes directly from a solid to a liquid with no plastic state is called a _______ alloy
The only TIN/LEAD solder alloy with eutectic characteristics is ____.
_____ solder joints are caused by oxidation or other foreign matter interfering with the wetting action.
____ solder joints are caused by insufficient heat or poor heat transfer to the joint.
_______ joints result from physical movement of the join while the solder is in the plastic state.
An ________ solder joint is caused by excessive heat for too long a time.
____ solder is due to extreme overheat and is generally only found on the tip of a soldering iron when the iron is not in use.