Structures Question Title * 1. How is metals behaviour when they are sustaining loads?. Select the most apropiate answer They change their own shape because of their elasticity They never change their shape First they change their shape due to elasticity but the change is permanent when forces are greater They always break if they are forced or strained Question Title * 2. Which is the most suitable structure to support a load? The beams structure doesn´t matter A structure with hexagon-shaped beams A structure with cube-shaped beams A structure with triangle-shaped beams Question Title * 3. Gravity center can be considered as the point located at the centre of an object the point where the weight of a body can be concentrated any point inside an object a point outside the object if it´s irregular Question Title * 4. How can you state the Lever Law? The shorter the lever, the easier the job The longer the lever, the easier the job The thicker the lever, the harder the job The thicker the lever, the easier the job Question Title * 5. What is the name of the point where the lever is supported? Question Title * 6. How can the efficiency rating in a structure can be calculated? Dividing the volume of a structure by its own weight Dividing the weight of a structure by its own volume Dividing the weight of a structure by the total amount of forces supported by it Dividing the total amount of forces over a structure by its own weight Question Title * 7. How can you call the weight that forces a structure to fail? Maximal weight Maximal load Critical weight Critical load Question Title * 8. Which one of the following strains cannot appear in structures? Torsion stress Flexure Weight Tension stress Question Title * 9. Which one of the following supports are not used in structures? Fixed Firm Embedded Movable Question Title * 10. What is the name of a support that don´t let any movement or turn? Fixed support Movable support Embedded support Firm support Listo