// Numbas version: exam_results_page_options
{"name": "2850: 202 MCQ:16", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "ungrouped_variables": ["F", "w3", "w2", "w1", "input", "Eff", "out"], "name": "2850: 202 MCQ:16", "tags": [], "advice": "", "rulesets": {}, "parts": [{"displayColumns": "1", "matrix": ["1", "0", "0", "0"], "shuffleChoices": true, "variableReplacements": [], "choices": ["<p><span style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-ansi-language: EN-GB; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif;\">{Eff}</span>&nbsp;%</span></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt; line-height: 115%;\">&nbsp;</span></p>", "<p><span style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 18.399999618530273px;\"><span style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-ansi-language: EN-GB; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\">{w1} %</span></span></p>", "<p class=\"MsoNormal\" style=\"margin-bottom: 0.0001pt;\"><span style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 18.399999618530273px;\">{w2} %</span></p>", "<p><span style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 18.399999618530273px;\">{w3} %</span></p>"], "variableReplacementStrategy": "originalfirst", "displayType": "radiogroup", "maxMarks": 0, "scripts": {}, "distractors": ["", "", "", ""], "marks": 0, "showCorrectAnswer": false, "type": "1_n_2", "minMarks": 0}], "statement": "<h3 class=\"MsoNormal\" style=\"margin-bottom: 0.0001pt;\"><span style=\"font-size: 18.0pt; font-family: 'Arial','sans-serif';\">A workshop heater has an input of $\\var{input}$ W and an output of $\\var{out}$ W.</span></h3>\n<h3><span style=\"font-size: 18.0pt; line-height: 115%; font-family: 'Arial','sans-serif'; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-ansi-language: EN-GB; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\">This is an efficiency level of . . .&nbsp;</span></h3>", "variable_groups": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "preamble": {"css": "", "js": ""}, "variables": {"F": {"definition": "({out}/{input})*100", "templateType": "anything", "group": "Ungrouped variables", "name": "F", "description": ""}, "w3": {"definition": "random(35..110 except Eff except w1 except w2)", "templateType": "anything", "group": "Ungrouped variables", "name": "w3", "description": ""}, "w2": {"definition": "random(35..110#0.5 except Eff except w1)", "templateType": "anything", "group": "Ungrouped variables", "name": "w2", "description": ""}, "w1": {"definition": "random(35..110 except Eff)", "templateType": "anything", "group": "Ungrouped variables", "name": "w1", "description": ""}, "input": {"definition": "random(800..1500#50)", "templateType": "randrange", "group": "Ungrouped variables", "name": "input", "description": ""}, "Eff": {"definition": "precround(F,2)", "templateType": "anything", "group": "Ungrouped variables", "name": "Eff", "description": ""}, "out": {"definition": "random(450..750#50)", "templateType": "randrange", "group": "Ungrouped variables", "name": "out", "description": ""}}, "metadata": {"notes": "", "description": "<p>Calculate efficiency</p>", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "showQuestionGroupNames": false, "question_groups": [{"name": "", "pickingStrategy": "all-ordered", "pickQuestions": 0, "questions": []}], "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}]}], "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}