4 kN A frame composed of three members linked together by hinges. This tire is subject to the influence of two external forces 250 mm 250 mm as shown in the figure. 250 mm Determine the reactions at 2 kN points A, D, C, B, 250 mm 250 mm 300 mm RA = 4.8 kN , RB 4.88 kN, Rc= 12.78 kN , Rp 12.24 kN

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Fire safety

Fire safety is a new domain emerged in the early 90s to enable the design of buildings, structures, and infrastructure against destruction through fire. It also includes the provisions of building codes. This field is mostly associated with the design and efficient planning of a building, to reduce the destruction caused by fire. The branch of engineering that deals with it for the safety of the buildings from destruction of fire, is known as fire safety engineering.