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A 200 mm long down sprue has an area of crosssection of 650 mm2 where the pouring basin meets the down sprue (i.e. at the beginning of the down sprue). A constant head of molten metal is maintained by the pouring basin. The molten metal flow rate is 6.5 × 105 mm3/s. Considering the end of down sprue to be open to atmosphere and acceleration due to gravity of 104 mm/s2, the area of the down sprue in mm2 at its end (avoiding aspiration effect) should be
[ME 2007]
  • a)
    650.0
  • b)
    350.0
  • c)
    290.7
  • d)
    190.0
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A 200 mm long down sprue has an area of crosssection of 650 mm2 where ...

Here, Flow rate = 6.5 × 105 mm3/s
A1V1 = 6.5 × 105

= 2236.06 mm/s
A2 V2 = 6.5 × 105
A2 = 290.68 mm2
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Most Upvoted Answer
A 200 mm long down sprue has an area of crosssection of 650 mm2 where ...

Here, Flow rate = 6.5 × 105 mm3/s
A1V1 = 6.5 × 105

= 2236.06 mm/s
A2 V2 = 6.5 × 105
A2 = 290.68 mm2
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A 200 mm long down sprue has an area of crosssection of 650 mm2 where the pouring basin meets the down sprue (i.e. at the beginning of the down sprue). A constant head of molten metal is maintained by the pouring basin. The molten metal flow rate is 6.5 × 105 mm3/s. Considering the end of down sprue to be open to atmosphere and acceleration due to gravity of 104 mm/s2, the area of the down sprue in mm2 at its end (avoiding aspiration effect) should be[ME 2007]a)650.0b)350.0c)290.7d)190.0Correct answer is option 'C'. Can you explain this answer?
Question Description
A 200 mm long down sprue has an area of crosssection of 650 mm2 where the pouring basin meets the down sprue (i.e. at the beginning of the down sprue). A constant head of molten metal is maintained by the pouring basin. The molten metal flow rate is 6.5 × 105 mm3/s. Considering the end of down sprue to be open to atmosphere and acceleration due to gravity of 104 mm/s2, the area of the down sprue in mm2 at its end (avoiding aspiration effect) should be[ME 2007]a)650.0b)350.0c)290.7d)190.0Correct answer is option 'C'. 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 200 mm long down sprue has an area of crosssection of 650 mm2 where the pouring basin meets the down sprue (i.e. at the beginning of the down sprue). A constant head of molten metal is maintained by the pouring basin. The molten metal flow rate is 6.5 × 105 mm3/s. Considering the end of down sprue to be open to atmosphere and acceleration due to gravity of 104 mm/s2, the area of the down sprue in mm2 at its end (avoiding aspiration effect) should be[ME 2007]a)650.0b)350.0c)290.7d)190.0Correct answer is option 'C'. 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 200 mm long down sprue has an area of crosssection of 650 mm2 where the pouring basin meets the down sprue (i.e. at the beginning of the down sprue). A constant head of molten metal is maintained by the pouring basin. The molten metal flow rate is 6.5 × 105 mm3/s. Considering the end of down sprue to be open to atmosphere and acceleration due to gravity of 104 mm/s2, the area of the down sprue in mm2 at its end (avoiding aspiration effect) should be[ME 2007]a)650.0b)350.0c)290.7d)190.0Correct answer is option 'C'. Can you explain this answer?.
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