Wiktionary
blue book exam
alt. Type of test used at many postsecondary schools in the US. They normally include one or more essays or short-answer questions. n. Type of test used at many postsecondary schools in the US. They normally include one or more essays or short-answer questions.
Wikipedia
Blue book exam
A blue book exam is a type of test administered at many post-secondary schools in the United States. Blue book exams typically include one or more essays or short-answer questions. Sometimes the instructor will provide students with a list of possible essay topics and will then choose one or let the student choose from two or more topics that appear on the test.