WorksheetsReview bridge test
Total questions: 33
Worksheet time: 14mins
The 6 steps of the engineering process are...
(a)
When we state the problem we are...
guessing
figuring out what needs to be solved
making the product
evaluating results
When we gather information
we are guessing what we need
making a product
looking for information
checking the results
A rating scale can help an engineer during the step of choosing the best solution. WHY?
discover safety issues
draw out the technical plans
define the most important problem to be solved
consider all the advantages and disadvantages of the designs
Alternative solutions can be gathered by..
(a)
A good practice for solving a problem is...
getting one solution and sticking with it
use trial and error
develop 3 possible solutions, then select the best
go with the least expensive
A framework designed and built to carry loads and resist forces are
loads
bridges
stresses
structures
Two types of loads are __________ and ___________.
(a)
The area of technology known as construction is defined as?
building a structure on a permanent site
moving goods and people
building buildings and bridges
sending and receiving messages between 2 people
4 types of static structures are:
truss, suspension, cantilever, arch
static, dynamic, live, dead
tension, compression, torsion, shear
supporting, sheltering, containing, directing
An individual part of a structure is called a (a) .
The 4 stresses are:
truss, suspension, cantilever, arch
supporting, sheltering, containing, directing
tension, compression, torsion, shear
static, dynamic, live, dead
The distance the bridge crosses is called the (a) .
The 4 types of bridges are?
supporting, sheltering, containing, directing
static, dynamic, live, dead
truss, suspension, cantilever, arch
tension, compression, torsion, shear
Proper way to use an x-acto knife is to:
use short chopping motions
hold the paper in the air and cut downward
cut down on a protected table away from yourself
press down hard and draw towards you
Laws and regulations for building are called (a) ?
Symmetrical means?
if divided in half it will look the same
uneven
carries the proper amount of load
changing from the metric system to the standard English system
A truss is capable of holding a lot of stress because?
turns compression into torsion
it forms a series of triangles that do not easily collapse
it forms a semi-circle shape
it is supported on one and sticks out
(a) forms a semi-circle shape that pushes back up on a compressive force
Engineers us static determinacy to:
determine amount of material needed
to find out the number of joints
to determine amount of weight an object will hold
make their job boring
A diagram showing one panel is called
single body diagram
multi body diagram
orthographic projection
perspective
A car driving across a road is a (a) type of load.
A structure held down on one end and sticks out on the other end is a (a) bridge.
Structure holds itself and other things up.
sheltering
directing
containing
supporting
Type of static structure that holds itself and other things out is called?
(a)
Type of static structure holds itself and other things in?
sheltering
directing
containing
supporting
define compression
twisting
pulling
pushing
cutting
define tension
twisting
pulling apart
pushing
cutting
define torsion
twisting
cutting
pulling
pushing
Formula for how many members you NEED.
k= m-3
k= (3 x J) -2
k= (2 x J) -3
k= (5 x J) +3
If m = 47 and k = 50 is it statically determinate?
yes
no
If k > m is it statistically determinate?
yes
no
If k=m is it statistically determinate?
yes
no
