{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2024-03-21T07:55:51.483Z","dateModified":"2024-03-21T07:55:51.483Z","typicalAgeRange":"11-18","educationalLevel":"CUET (PG)","assesses":"Design of Machine Elements - Efficiency of Screws","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Efficiency of Screws"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Design of Machine Elements"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"CUET (PG)"}],"name":"Quiz about Efficiency of Screws","about":{"@type":"Thing","name":"Design of Machine Elements - Efficiency of Screws"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Efficiency of Screws","text":"The maximum efficiency in a Screw Jack is given as:}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"\"\""},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

\\(\\frac{1+ cos\\vartheta_s}{1-cos \\vartheta_s}\\)

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

\\(\\frac{1-cos\\vartheta_s}{1+cos \\vartheta_s}\\)

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

\\(\\frac{1+sin \\vartheta_s}{1-sin \\vartheta_s}\\)

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\\(\\frac{1-sin \\vartheta_s}{1+sin \\vartheta_s}\\)

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\\(\\frac{1-sin \\vartheta_s}{1+sin \\vartheta_s}\\)

","comment":{"@type":"Comment","text":"\"\""},"answerExplanation":{"@type":"comment","text":"The correct option is (D): \\(\\frac{1-sin \\vartheta_s}{1+sin \\vartheta_s}\\)"}}}]}

The maximum efficiency in a Screw Jack is given as:

The Correct Option is D

Solution and Explanation

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