Quizzes

{“questions”:{“4yn5e”:{“id”:”4yn5e”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” Which of the following is the correct unit of viscosity in the SI system?”,”desc”:””,”hint”:””,”answers”:{“n2ple”:{“id”:”n2ple”,”image”:””,”imageId”:””,”title”:”A) N\u00b7s\/m\u00b2\r\n”},”dekzm”:{“id”:”dekzm”,”image”:””,”imageId”:””,”title”:”B) Pa\u00b7s\r\n”},”88h6x”:{“id”:”88h6x”,”image”:””,”imageId”:””,”title”:”C) kg\/m\u00b7s\r\n”},”ffwc3″:{“id”:”ffwc3″,”image”:””,”imageId”:””,”title”:”D) All of the above”,”isCorrect”:”1″}}},”6zo1w”:{“id”:”6zo1w”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Bernoulli\u2019s equation is based on the conservation of which principle?”,”desc”:””,”hint”:””,”answers”:{“4dcd8”:{“id”:”4dcd8″,”image”:””,”imageId”:””,”title”:”A) Mass\r\n”},”szs3z”:{“id”:”szs3z”,”image”:””,”imageId”:””,”title”:”B) Momentum\r\n”},”sqivz”:{“id”:”sqivz”,”image”:””,”imageId”:””,”title”:”C) Energy\r\n”,”isCorrect”:”1″},”564wn”:{“id”:”564wn”,”image”:””,”imageId”:””,”title”:”D) Pressure”}}},”w18nr”:{“id”:”w18nr”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The Reynolds number is used to predict what property of fluid flow?”,”desc”:””,”hint”:””,”answers”:{“36afu”:{“id”:”36afu”,”image”:””,”imageId”:””,”title”:”A) Density\r\n”},”4j6gq”:{“id”:”4j6gq”,”image”:””,”imageId”:””,”title”:”B) Viscosity\r\n”},”6ioow”:{“id”:”6ioow”,”image”:””,”imageId”:””,”title”:”C) Laminar or turbulent flow\r\n”,”isCorrect”:”1″},”kgf88″:{“id”:”kgf88″,”image”:””,”imageId”:””,”title”:”D) Surface tension”}}},”sd6cp”:{“id”:”sd6cp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”In a…

{“questions”:{“fiz91”:{“id”:”fiz91″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary purpose of a fire engine?”,”desc”:””,”hint”:””,”answers”:{“3198h”:{“id”:”3198h”,”image”:””,”imageId”:””,”title”:”A. Transporting police officers\r\n”},”qawkv”:{“id”:”qawkv”,”image”:””,”imageId”:””,”title”:”B. Carrying medical patients\r\n”},”iai23″:{“id”:”iai23″,”image”:””,”imageId”:””,”title”:”C. Transporting firefighters and firefighting equipment\r\n”,”isCorrect”:”1″},”z43yo”:{“id”:”z43yo”,”image”:””,”imageId”:””,”title”:”D. Collecting rainwater”}}},”p9jrx”:{“id”:”p9jrx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” What type of pump is most commonly used on fire engines?”,”desc”:””,”hint”:””,”answers”:{“l1uhd”:{“id”:”l1uhd”,”image”:””,”imageId”:””,”title”:”A. Piston pump\r\n”},”a5jkw”:{“id”:”a5jkw”,”image”:””,”imageId”:””,”title”:”B. Rotary pump\r\n”},”7ieu6″:{“id”:”7ieu6″,”image”:””,”imageId”:””,”title”:”C. Centrifugal pump\r\n”,”isCorrect”:”1″},”8vqn4″:{“id”:”8vqn4″,”image”:””,”imageId”:””,”title”:”D. Gear pump”}}},”55sxo”:{“id”:”55sxo”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What color are most traditional fire engines in the United States?”,”desc”:””,”hint”:””,”answers”:{“c5odn”:{“id”:”c5odn”,”image”:””,”imageId”:””,”title”:”A. Blue\r\n”},”j9nj3″:{“id”:”j9nj3″,”image”:””,”imageId”:””,”title”:”B. Green\r\n”},”v1ouc”:{“id”:”v1ouc”,”image”:””,”imageId”:””,”title”:”C. Red\r\n”,”isCorrect”:”1″},”ibx13″:{“id”:”ibx13″,”image”:””,”imageId”:””,”title”:”D. Yellow”}}},”ekg0y”:{“id”:”ekg0y”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”…

{“questions”:{“s2vs9”:{“id”:”s2vs9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the main purpose of an express truck?”,”desc”:””,”hint”:””,”answers”:{“ana5w”:{“id”:”ana5w”,”image”:””,”imageId”:””,”title”:”A) Towing heavy machinery\r\n”},”q2uxa”:{“id”:”q2uxa”,”image”:””,”imageId”:””,”title”:”B) Long-distance passenger travel\r\n”},”f7m1a”:{“id”:”f7m1a”,”image”:””,”imageId”:””,”title”:”C) Fast and efficient goods transportation\r\n”,”isCorrect”:”1″},”409gj”:{“id”:”409gj”,”image”:””,”imageId”:””,”title”:”D) Garbage collection”}}},”f0iax”:{“id”:”f0iax”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” Which type of engine is most commonly used in express trucks?”,”desc”:””,”hint”:””,”answers”:{“xz6bi”:{“id”:”xz6bi”,”image”:””,”imageId”:””,”title”:”A) Electric motor\r\n”},”1hlmx”:{“id”:”1hlmx”,”image”:””,”imageId”:””,”title”:”B) Diesel engine\r\n”,”isCorrect”:”1″},”p5f0j”:{“id”:”p5f0j”,”image”:””,”imageId”:””,”title”:”C) Steam engine\r\n”},”ly9o3″:{“id”:”ly9o3″,”image”:””,”imageId”:””,”title”:”D) Petrol engine”}}},”99wym”:{“id”:”99wym”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is one key feature that distinguishes express trucks from regular trucks?”,”desc”:””,”hint”:””,”answers”:{“1mn30”:{“id”:”1mn30″,”image”:””,”imageId”:””,”title”:”A) Larger fuel tank\r\n”},”h8pbw”:{“id”:”h8pbw”,”image”:””,”imageId”:””,”title”:”B)…

{“questions”:{“5xnrp”:{“id”:”5xnrp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” What is the primary component of Earth’s atmosphere?”,”desc”:””,”hint”:””,”answers”:{“t856e”:{“id”:”t856e”,”image”:””,”imageId”:””,”title”:”A) Oxygen\r\n”},”0ek3f”:{“id”:”0ek3f”,”image”:””,”imageId”:””,”title”:”B) Nitrogen\r\n”,”isCorrect”:”1″},”igce6″:{“id”:”igce6″,”image”:””,”imageId”:””,”title”:”C) Carbon Dioxide\r\n”},”akp4r”:{“id”:”akp4r”,”image”:””,”imageId”:””,”title”:”D) Argon”}}},”humpi”:{“id”:”humpi”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which layer of the atmosphere is closest to the Earth’s surface?”,”desc”:””,”hint”:””,”answers”:{“0t2st”:{“id”:”0t2st”,”image”:””,”imageId”:””,”title”:”A) Stratosphere\r\n”},”smi94″:{“id”:”smi94″,”image”:””,”imageId”:””,”title”:”B) Troposphere\r\n”,”isCorrect”:”1″},”hj5df”:{“id”:”hj5df”,”image”:””,”imageId”:””,”title”:”C) Mesosphere\r\n”},”k99fn”:{“id”:”k99fn”,”image”:””,”imageId”:””,”title”:”D) Thermosphere”}}},”dy50f”:{“id”:”dy50f”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which atmospheric layer contains the ozone layer?”,”desc”:””,”hint”:””,”answers”:{“vz9hi”:{“id”:”vz9hi”,”image”:””,”imageId”:””,”title”:”A) Troposphere\r\n”},”0a2sy”:{“id”:”0a2sy”,”image”:””,”imageId”:””,”title”:”B) Stratosphere\r\n”,”isCorrect”:”1″},”pfchk”:{“id”:”pfchk”,”image”:””,”imageId”:””,”title”:”C) Mesosphere\r\n”},”4ggus”:{“id”:”4ggus”,”image”:””,”imageId”:””,”title”:”D) Thermosphere”}}},”l3qz2″:{“id”:”l3qz2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” What is the main function of the ozone layer in the atmosphere?”,”desc”:””,”hint”:””,”answers”:{“7so4e”:{“id”:”7so4e”,”image”:””,”imageId”:””,”title”:”A) To protect Earth from harmful…

{“questions”:{“q63ba”:{“id”:”q63ba”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is a cement truck toy usually designed to mimic?”,”desc”:””,”hint”:””,”answers”:{“8xklz”:{“id”:”8xklz”,”image”:””,”imageId”:””,”title”:”a) A race car\r\n”},”2xzil”:{“id”:”2xzil”,”image”:””,”imageId”:””,”title”:”b) A construction vehicle\r\n”,”isCorrect”:”1″},”66p2y”:{“id”:”66p2y”,”image”:””,”imageId”:””,”title”:”c) A fire truck\r\n”},”ej812″:{“id”:”ej812″,”image”:””,”imageId”:””,”title”:”d) A helicopter”}}},”hi0yl”:{“id”:”hi0yl”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What part of the cement truck toy can often rotate to simulate real-life action?”,”desc”:””,”hint”:””,”answers”:{“yms9u”:{“id”:”yms9u”,”image”:””,”imageId”:””,”title”:”a) The wheels\r\n”},”seuht”:{“id”:”seuht”,”image”:””,”imageId”:””,”title”:”b) The cabin\r\n”},”cwl2x”:{“id”:”cwl2x”,”image”:””,”imageId”:””,”title”:”c) The drum\r\n”,”isCorrect”:”1″},”2983j”:{“id”:”2983j”,”image”:””,”imageId”:””,”title”:”d) The exhaust pipe”}}},”k9xyf”:{“id”:”k9xyf”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the main function of a cement truck, even in toy form?”,”desc”:””,”hint”:””,”answers”:{“icnc7”:{“id”:”icnc7″,”image”:””,”imageId”:””,”title”:”a)…

{“questions”:{“pwi2e”:{“id”:”pwi2e”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary function of a cement truck?”,”desc”:””,”hint”:””,”answers”:{“gi1kh”:{“id”:”gi1kh”,”image”:””,”imageId”:””,”title”:”a) Delivering water to construction sites\r\n”},”ysif5″:{“id”:”ysif5″,”image”:””,”imageId”:””,”title”:”b) Mixing and delivering concrete\r\n”,”isCorrect”:”1″},”clrw6″:{“id”:”clrw6″,”image”:””,”imageId”:””,”title”:”c) Transporting construction equipment\r\n”},”1e0en”:{“id”:”1e0en”,”image”:””,”imageId”:””,”title”:”d) Delivering sand and gravel”}}},”6ituc”:{“id”:”6ituc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the rotating drum on a cement truck used for?”,”desc”:””,”hint”:””,”answers”:{“sy53q”:{“id”:”sy53q”,”image”:””,”imageId”:””,”title”:”a) To keep the cement mixture dry\r\n”},”1xhtz”:{“id”:”1xhtz”,”image”:””,”imageId”:””,”title”:”b) To mix the concrete ingredients\r\n”,”isCorrect”:”1″},”uppn5″:{“id”:”uppn5″,”image”:””,”imageId”:””,”title”:”c) To transport the truck\r\n”},”9oeru”:{“id”:”9oeru”,”image”:””,”imageId”:””,”title”:”d) To cool down the truck’s…

{“questions”:{“yr4wc”:{“id”:”yr4wc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” What does \”8×40\” in Bresser JNR 8×40 binoculars refer to?”,”desc”:””,”hint”:””,”answers”:{“tgqmf”:{“id”:”tgqmf”,”image”:””,”imageId”:””,”title”:”A) 8-degree field of view and 40 mm weight\r\n”},”7roxd”:{“id”:”7roxd”,”image”:””,”imageId”:””,”title”:”B) 8 times magnification and 40 mm objective lens diameter\r\n”,”isCorrect”:”1″},”x9xss”:{“id”:”x9xss”,”image”:””,”imageId”:””,”title”:”C) 8 mm exit pupil and 40 mm focal length\r\n”},”nt9q7″:{“id”:”nt9q7″,”image”:””,”imageId”:””,”title”:”D) 8 cm height and 40 g weight”}}},”27uil”:{“id”:”27uil”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” What is the typical use case for Bresser JNR 8×40 binoculars?”,”desc”:””,”hint”:””,”answers”:{“3vflz”:{“id”:”3vflz”,”image”:””,”imageId”:””,”title”:”A)…