For some basic courses, such as college English and college mathematics, the examination time is generally about 2 hours. For some specialized courses, such as computer science and economics, the examination time may be longer, generally between 2-3 hours.

In addition, the length of college exams may also vary according to the type of exams. For example, some exams may be open-book exams, and students can bring relevant books and materials into the examination room, while others are closed-book exams, and students cannot bring any books and materials. It should be noted that the length of college exams is not fixed, and the specific length may vary according to courses, exam types and schools.