Pe 4th Part A Absa Test Bank Questions With Complete Solutions Graded To Pass!!

The ability of a material to break without much deformation occurring before fracture is called a) stiffness b) brittleness c) toughness d) hardness e) ductility {Ans: b) brittleness}A compressive load of 219 kN is resisted by a rectangular strut which has one side measuring 83 mm. If the stress in the strut is 164,909 kPa what is the length of the other side of the strut? a) 1.3 mm b) 0.75 m c) 9.07 m d) 3.3 mm e) 0.016 m {Ans: e) 0.016 m}When the temperature of an object is raised, its increase in area is proportional to its a) initial length and final temperature b) initial area and temperature rise c) volume and initial temperature d) initial length and temperature rise e) colour and shape {Ans: b) initial area and temperature rise}If a substance goes through a process that changes its composition so that it is no longer the same substance, then it is said that the substance has undergone a a) physical change b) heterogeneous change c) homogeneous change d) chemical change e) physical property {Ans: d) chemical change}An object of mass 95 kg is at a height of 36 m above the