Engineering Test q3 final Flashcards

memroize answers

1
Q

Calculate the volume of the fish based the images below

A

6 ml

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2
Q

If an object rotates when thrown, it rotates about its __________

A

center of gravity

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3
Q

Centriod and Center of graviy only exist at the same 3D point when the part has uniform _____&______

A

geomtry and density

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4
Q

A

A

Pear Cam

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5
Q

B

A

Round Cam

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6
Q

C

A

Eccentric Cam

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7
Q

D

A

Heart Cam

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8
Q

The mechanical advantage (MA) of a simple machine tell you how much a machine multiples the effort force when it is doing work. If the MA of a simple mmachine is 5, how many pounds of a resistance force can an effort force of 15 pounds lift?

A

75 pounds

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9
Q

The steeper the slope of a line segemnt of the graph, the ____ I was moving in that segment of the trip. A negetive slope indicates that I was moving ________ my house where is the starting point of my trip.

A
  1. Faster
  2. toward
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10
Q

Motion Graph
Assume you have a sick friend who lived on your street. You want to ride your bike to the cupcake shop up the street to buy a cupcake and then deliver it to your friend. You start from your house.
What does the graph represent between 30 min to 35 min after the trip began? Choose all the apply.

A
  • Slop of the graph is zero
  • You are at cupcake shop
  • Your speed is zero
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11
Q

Motion Graph
Assume you have a sick friend who lived on your street. You want to ride your bike to the cupcake shop up the street to buy a cupcake and then deliver it to your friend. You start from your house.
If you started the trip at 2:30 pm, what time is it when you leave your friend’s house?

A

3:40pm

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12
Q

We would like to certify the authencity of a gold nugget to ensure it is not fake. One test is to calculate the density of the given bar using its volume and wieght. If the density matches the known density of gold (19.3 g/cc) then we can be more sure that this bar is truly authentic.
The volume of a nugget is measured using water displacement and we get 122 millimeters. The nugget is placed on a balance scale, and we get 2104 grams.
What is the density of this nugget?
Round your answer to the nearest hundreth. DO NOT INCLUDE UNITS.

A

17.25

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13
Q

What is the instaneoous (not avg) speed of the ball at its highest position?

A

0 ft/s

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14
Q

MOTION GRAPH
What is d(2)? approximately

A

5.6 ft

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15
Q

Calculate the surface area off the object below if the grid spacing is 0.25 inches. Round your answer to two decimal places. DO NOT INCLUDE UNITS.

A

10.25

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16
Q

Match the correct answer.

What is the domain of the function represented

A

0 <= t <= 2.2

17
Q

Match the correct answer.

what is the range of the function represented

A

0 <= d <= 19.0

18
Q

What is total distance the ball has traveled at t = 2 seconds? approximately

19
Q

Using water displacement is one way to measure the _____ of an object.

20
Q

When sketching the profile of the pear cam which costraint can help you to connect the straight lines with the curved arcs?

21
Q

It is important for the new hired product engineers to know the stages within the life cycle of a product.
The stages are shown below out of order. Place the stages in the correct of a product . with the first stage at the top and the last stage at the bottom.

A
  1. Raise and extract
  2. Process
  3. Manufacture
  4. Use
  5. Dispose
22
Q

an object can be balanced on a sharp point placed ____ its center of gravity

A

directly beneath

23
Q

If the surface area of an object is 175 square inches and if one gallon of paint covers 57,600 square inches, how many gallons would be needed for the necessary whole gallon? DO NOT INCLUDE UNITS.

24
Q

The image below represents what type of drawing?

A

Perspective

25
What is the volume of the part shown?
2.69in^3