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A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below:    
1. Down sprue   2. Runner bar  3. Ingates
The correct sequence of the above elements in the ratio 1: 2: 4 is  
  • a)
    1, 2 and 3  
  • b)
    1,3 and 2  
  • c)
    2, 3 and 1  
  • d)
    3, 1 an 2 
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A gating ratio of 1: 2: 4 is used to design the gating system for magn...
Explanation:

Gating ratio refers to the cross-sectional area of various gating elements, which is used to design the gating system for casting. The given gating ratio of 1:2:4 represents the cross-sectional area of the following gating elements:

1. Down sprue
2. Runner bar
3. Ingates

The correct sequence of these elements in the ratio of 1:2:4 is:

1. Down sprue
2. Runner bar
3. Ingates

This means that the cross-sectional area of the down sprue should be one unit, the cross-sectional area of the runner bar should be two units, and the cross-sectional area of the ingates should be four units.

The reason behind this gating ratio is to ensure smooth and consistent flow of molten metal during casting. A properly designed gating system ensures that the molten metal flows smoothly and fills the mold cavity without any interruptions or defects.

In summary, the correct sequence of gating elements in the gating ratio of 1:2:4 is 1. Down sprue, 2. Runner bar, and 3. Ingates.
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Community Answer
A gating ratio of 1: 2: 4 is used to design the gating system for magn...
A)1,2 and 3
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A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below: 1. Down sprue 2. Runner bar 3. IngatesThe correct sequence of the above elements in the ratio 1: 2: 4 isa)1, 2 and 3 b)1,3 and 2 c)2, 3 and 1 d)3, 1 an 2Correct answer is option 'A'. Can you explain this answer?
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A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below: 1. Down sprue 2. Runner bar 3. IngatesThe correct sequence of the above elements in the ratio 1: 2: 4 isa)1, 2 and 3 b)1,3 and 2 c)2, 3 and 1 d)3, 1 an 2Correct 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 A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below: 1. Down sprue 2. Runner bar 3. IngatesThe correct sequence of the above elements in the ratio 1: 2: 4 isa)1, 2 and 3 b)1,3 and 2 c)2, 3 and 1 d)3, 1 an 2Correct 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 A gating ratio of 1: 2: 4 is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross· section areas of the various gating elements as given below: 1. Down sprue 2. Runner bar 3. IngatesThe correct sequence of the above elements in the ratio 1: 2: 4 isa)1, 2 and 3 b)1,3 and 2 c)2, 3 and 1 d)3, 1 an 2Correct answer is option 'A'. Can you explain this answer?.
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