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In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?
- a)Choke area - Pouring time - Pouring basin-Sprue
- b)Pouring basin - Sprue - Choke area - Pouring time
- c)Choke area - Sprue - Pouring basin - Pouring time
- d)Pouring basin - Pouring time - Choke area-Sprue
Correct answer is option 'A'. Can you explain this answer?
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In gating system design, which one of the following is the correct seq...
The correct sequence in which choke area, pouring time, pouring basin, and sprue sizes are calculated in gating system design is as follows:
a) Choke area - Pouring time - Pouring basin - Sprue
1. Choke Area Calculation:
The choke area is the narrowest cross-sectional area of the gating system, which controls the flow of molten metal. It is calculated based on the casting volume and the desired pouring rate. The formula for calculating choke area is:
Choke Area = Casting Volume / Pouring Rate
2. Pouring Time Calculation:
Pouring time is the duration required to fill the mold cavity with molten metal. It is calculated based on the volume of the mold cavity and the pouring rate. The formula for calculating pouring time is:
Pouring Time = Mold Cavity Volume / Pouring Rate
3. Pouring Basin Design:
The pouring basin is a reservoir that holds the molten metal before it enters the gating system. It provides a continuous flow of molten metal and helps in reducing turbulence and gas entrapment. The size of the pouring basin depends on the volume of molten metal and the pouring rate.
4. Sprue Size Calculation:
The sprue is the vertical down-gate that connects the pouring basin to the runner system. It allows the molten metal to flow from the pouring basin to the mold cavity. The size of the sprue is calculated based on various factors such as the volume of molten metal, the pouring rate, the solidification time, and the desired pressure head.
The correct sequence for calculating these parameters is to first determine the choke area, followed by calculating the pouring time. Once the pouring time is determined, the pouring basin can be designed to accommodate the required volume of molten metal. Finally, the sprue size is calculated based on the volume of molten metal and other factors.
It is important to note that the design of the gating system in casting plays a crucial role in achieving a defect-free and high-quality casting. Proper calculation and design of the choke area, pouring time, pouring basin, and sprue size ensure a controlled and efficient flow of molten metal, reducing the chances of defects such as porosity, shrinkage, and misruns.
a) Choke area - Pouring time - Pouring basin - Sprue
1. Choke Area Calculation:
The choke area is the narrowest cross-sectional area of the gating system, which controls the flow of molten metal. It is calculated based on the casting volume and the desired pouring rate. The formula for calculating choke area is:
Choke Area = Casting Volume / Pouring Rate
2. Pouring Time Calculation:
Pouring time is the duration required to fill the mold cavity with molten metal. It is calculated based on the volume of the mold cavity and the pouring rate. The formula for calculating pouring time is:
Pouring Time = Mold Cavity Volume / Pouring Rate
3. Pouring Basin Design:
The pouring basin is a reservoir that holds the molten metal before it enters the gating system. It provides a continuous flow of molten metal and helps in reducing turbulence and gas entrapment. The size of the pouring basin depends on the volume of molten metal and the pouring rate.
4. Sprue Size Calculation:
The sprue is the vertical down-gate that connects the pouring basin to the runner system. It allows the molten metal to flow from the pouring basin to the mold cavity. The size of the sprue is calculated based on various factors such as the volume of molten metal, the pouring rate, the solidification time, and the desired pressure head.
The correct sequence for calculating these parameters is to first determine the choke area, followed by calculating the pouring time. Once the pouring time is determined, the pouring basin can be designed to accommodate the required volume of molten metal. Finally, the sprue size is calculated based on the volume of molten metal and other factors.
It is important to note that the design of the gating system in casting plays a crucial role in achieving a defect-free and high-quality casting. Proper calculation and design of the choke area, pouring time, pouring basin, and sprue size ensure a controlled and efficient flow of molten metal, reducing the chances of defects such as porosity, shrinkage, and misruns.
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In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer?
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In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer?.
In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In gating system design, which one of the following is the correct sequence in which chokearea, pouring time, pouring basin and sprue sizes are calculated ?a)Choke area - Pouring time - Pouring basin-Sprueb)Pouring basin - Sprue - Choke area - Pouring timec)Choke area - Sprue - Pouring basin - Pouring timed)Pouring basin - Pouring time - Choke area-SprueCorrect answer is option 'A'. Can you explain this answer?.
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