Constraints&deformations
Getting a haircut is an example of which type of constraint
shearing
What property of materials would be the first thing you think of when designing a car bumper?
Hardness
Drilling a screw into a wall is an example of which type of guiding motion?
helical
True or False; Motion transmission is when helical motion turns into rotational motion.
False
True or False; A sketch is considered a technical drawing
True
You are designing a phone charger using metal wire. Which property of metal is most important when it comes to MAKING the wire?
Ductility
An engineer must build an anchor for a boat traveling through the atlantic ocean. Which property of materials ensures that the anchor will NOT rust?
Corrosion Resistance
True or False; Opening a window is an example of translational motion.
True
True or False; Riding a bike is an example of motion transformation.
False
Which type of drawing is the only one whose sides are parallel to the paper?
Oblique
You just got a brand new trampoline. Which property of materials is most important in building trampolines that ensures you will be able to jump on it without going through?
elasticity
Name one weakness in using wood for your deck by the pool in your backyard.
Weak and can break or can rot. (either or)
After forgetting to go to the mechanic and change the oil in your car, it catches fire one day while driving down the highway. What basic mechanical function is being performed when adding oil to the metal parts of the motor?
Lubrication
What is the name of a system that operates by having chains of gears with teeth linked together in rotational motion.
Gear train
What is a multiview drawing?
A drawing that represents all of the 2 dimensional faces of a 3 d object
You jump on your trampoline all summer. Unfortunately one day , you fall right through it as the fabric tears. What type of deformation is this?
Fracture
name 2 strengths of using metal
hard, malleable, recyclable
Name the four characteristics of a link between a nut and bolt.
Rigid, partial, direct, removable
How would you increase the speed in a gear train with two gears of the exact same size?
Increase the size if the driver
What are the 3 main views that are used in a multiview drawing?
Top, front, right side
You are playing video games and get angry because you lost against Ms. Serino. You drop the remote really hard onto the floor and notice a dent in it when you pick it up. What type of deformation is this?
PLastic
Why shouldn't you leave plastic water bottles in the car on a hot summer day? (A disadvantage of using plastic.)
Low heat resistance. They will melt
Name 4 characteristics of the link that binds your papers together in your notes package. (spiral binding)
flexible, partial, removable, direct
1- is a worm and gear system transmission or transformation?
2- Is it reversible?
1- transmission
2- non reversible
Name the 3 types of technical drawings
Sketch, computer generated, manual