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Worksheetsamt 115 ACT1
Total questions: 10
Worksheet time: 3mins
Class of fit requires a spanner to be used throughout the tightening operation?
Class 1
Class 2
Class 3
Class 4
What is the meaning of X in the head of the bolt
Steel
Stainless Steel
Corrosion Resistant Steel
Aluminum Alloy
What is the meaning of a triangle in the head marking of a bolt
Steel
Corrosion Resistant Steel
Close Tolerance
Aluminum Alloy
What is the meaning of single dash in the head marking of the bolt?
Steel
Aluminum Alloy
Corrosion Resistant Steel
Close Tolerance
What is the meaning of double dash in the head marking of the bolt?
Steel
Aluminum alloy
Corrosion resistant steel
Close Tolerance
The International Standard Organization (ISO) recommended that the ___________ be used internationally, in parallel with a system using Metric units of measurement, but with a similar form of thread profile and standards of tolerances.
Unifeid system
British Standard Whitworth
Unified System
American Standard
Screw threads are usually formed with a ‘clockwise’ turning groove and are referred to as_________threads.
right-hand
left-hand
screw thread
Bolt thread
British Standard (BS) Threaded Fasteners
Use the term ___________ to describe the measurement of length.
Nominal Lenght
Grip
Nominal Length
Lenght
In the American Standard the Grip is the portion of the fastener that is ?
Threaded shank
Un-threaded Shank
Head and shank
Threaded head
As there are variations with screw thread terminology, the correct way of describing a threaded fastener is to use the correct terminology, found in the relevant aircraft (a) when ordering replacement items.
