Abstract: Today’s main demand is to educate the young generation in all aspects. The main organizer of knowledge is the assessment of acquired knowledge. The issue of fair and qualitative determination of students’ knowledge level based on the method of confused logical chain, which is widely used in the future, and increasing their activity in classes is an urgent issue today.

Key words: building mechanics, support reaction, longitudinal force, frame, degree of freedom, shear force, tensile system.