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The diameter of the cylindrical rod on which threads are cut is known as
- a)nominal diameter
- b)major diameter
- c)root diameter
- d)pitch diameter
Correct answer is option 'A'. Can you explain this answer?
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The diameter of the cylindrical rod on which threads are cut is known ...
Nominal Diameter of Cylindrical Rod
Nominal diameter is a term used in thread engineering which refers to the diameter of the cylindrical rod on which threads are cut. It is also known as the basic major diameter.
Other Types of Thread Diameters
There are other types of thread diameters that are important to know in thread engineering, including:
1. Major Diameter: This is the largest diameter of the threads and is measured from crest to crest.
2. Minor Diameter: This is the smallest diameter of the threads and is measured from root to root.
3. Pitch Diameter: This is the diameter at which the width of the thread and the width of the space between the threads are equal. It is the theoretical point where the thread and nut would come into contact.
Importance of Nominal Diameter
The nominal diameter is an important dimension to consider when designing or selecting bolts, screws, and other threaded fasteners. It determines the size of the hole that needs to be drilled or tapped in order to accommodate the fastener.
When selecting a fastener, it is important to choose one with a nominal diameter that matches the size of the hole. If the diameter is too small, the fastener may not fit properly, and if it is too large, it may not be able to hold the load.
Conclusion
In summary, the nominal diameter of a cylindrical rod is the diameter on which threads are cut. It is an important dimension to consider when selecting threaded fasteners and determines the size of the hole that needs to be drilled or tapped.
Nominal diameter is a term used in thread engineering which refers to the diameter of the cylindrical rod on which threads are cut. It is also known as the basic major diameter.
Other Types of Thread Diameters
There are other types of thread diameters that are important to know in thread engineering, including:
1. Major Diameter: This is the largest diameter of the threads and is measured from crest to crest.
2. Minor Diameter: This is the smallest diameter of the threads and is measured from root to root.
3. Pitch Diameter: This is the diameter at which the width of the thread and the width of the space between the threads are equal. It is the theoretical point where the thread and nut would come into contact.
Importance of Nominal Diameter
The nominal diameter is an important dimension to consider when designing or selecting bolts, screws, and other threaded fasteners. It determines the size of the hole that needs to be drilled or tapped in order to accommodate the fastener.
When selecting a fastener, it is important to choose one with a nominal diameter that matches the size of the hole. If the diameter is too small, the fastener may not fit properly, and if it is too large, it may not be able to hold the load.
Conclusion
In summary, the nominal diameter of a cylindrical rod is the diameter on which threads are cut. It is an important dimension to consider when selecting threaded fasteners and determines the size of the hole that needs to be drilled or tapped.
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The diameter of the cylindrical rod on which threads are cut is known asa)nominal diameterb)major diameterc)root diameterd)pitch diameterCorrect answer is option 'A'. Can you explain this answer?
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