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Engineering Midterm 2024 -25

Total questions: 70

Worksheet time: 2hrs 46mins

Name
Class
Date
1.

What is Engineering? (class definition)

a)

Use Math and science in order to answer a question

b)

A division of Education that requires a combination of math skills and science knowledge to work in.

c)

Problem Solving

d)

The guy who drives the Train

2.

What is the length indicated by the arrow?

a)

5 1/8"

b)

5 1/4"

c)

5 3/8"

d)

5 1/2"

3.

What is the measurement at the arrow mark?

a)

3 5/8"

b)

3 7/8"

c)

3 3/4"

d)

3 11/16"

4.
What piece of equipment (tool) is used to measure mass?
a)
Graduated Cylinder
b)
Meter Stick
c)
Triple-Beam Balance
d)
Beaker
5.
What is the measurement using the correct number of sig. figs.?
a)
39.5 mL
b)
40 mL
c)
39 mL
d)
40.0 mL
6.
If the beams are balanced with the riders in the positions shown, what is the total mass of the object?
a)
545.2g
b)
540.52g
c)
540.2g
d)
545.20g
7.
What is the reading of the meniscus?
a)
36mL
b)
45mL
c)
35.0mL
d)
30.5mL
8.

When Engineers are Reverse Engineering something they are:

a)

Putting it together to see how it works

b)

Taking it apart to see how it works

c)

When engineers add something new to a substance

d)

When engineers replace something in a substance.

9.

What is the mass on this balance?

a)

37.3g

b)

37.3Kg

c)

373g

d)

337.3g

10.

What is the mass on this balance

a)

536.8g

b)

53.68g

c)

356.8g

d)

5368 g

11.

Describe the accuracy and precision of the image

a)

Accurate and Precise

b)

Accurate and not precise

c)

Not Accurate and Precise

d)

not accurate and not precise

12.

Describe the accuracy and precision of the image

a)

Accurate and Precise

b)

Accurate and not precise

c)

Not Accurate and Precise

d)

not accurate and not precise

13.

If you spill something in a lab, what should you do first?

a)

tell teacher

b)

clean it up

c)

do nothing

14.

What is she doing wrong?

a)

eating in lab

b)

not cleaning up

c)

not listening to the teacher

15.

You should protect your eyes.

a)
b)
c)
d)
16.

A toxic substance is poisonous if it enters your body.

a)
b)
c)
d)
17.
Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
18.

The volume of the water is 40 mL. An object was placed inside the graduated cylinder and it now reads 65 mL. The mass of the object is 125 g. What is the DENSITY of the object?

a)

40 g/mL

b)
65 mL
c)

25 g/mL

d)

5 g/mL

19.

An object is is placed into 45 mL of water. The water rises to 48 mL. What is the volume of the object?

a)

3 mL

b)

93mL

c)

8 mL

d)

83 mL

20.

If a Cube has a measurement of 5 cm on a side what is its total volume?

a)

25 cm2

b)

10 cm2

c)

15 cm3

d)

125 cm3

21.
In the picture, the mass of the block is 200 g, the dimensions of the block are 6 cm by 4 cm by 5 cm.  What is its density?
a)
1.67g/cm3
b)
13.33 g/cm3
c)
0.60 g/cm3
d)
 24000 g/cm3
22.

Formula for velocity

a)

v = d*t

b)

v = d/t

c)

v = m*t

d)

v = m/t

23.

Formula for acceleration

a)

a = (vf-vi)/t

b)

a = t/(vf-vi)

c)

a = t*(vf-vi)

d)

a = t*d

24.

SI unit for force

a)

Joules

b)

Watts

c)

Newtons

d)

meters

25.

Formula for force

a)

F = m*a

b)

F = m/a

c)

F = d*a

d)

F = d/a

26.

Formula for work

a)

W = F*d

b)

W = F/d

c)

W = F*m

d)

w = F/m

27.
A woman lifts 20 bricks, each of weight 6N.
What other information is needed to calculate the useful work done in lifting the bricks?
a)
the distance she lifts the bricks
b)
the mass of the bricks
c)
the time taken to lift the bricks
d)
the volume of the bricks
28.

A mover pushes a 1700 N piano a distance of 4 meters. How much work is done by the mover?

a)

425 kg

b)

425 Joules

c)

6,800 kg

d)

6,800 Joules

29.
The greatest amount of force is required to move the metal block up which inclined plane?
a)
A
b)
B
c)
C
d)
D
30.
A log splitting machine was invented to split logs quickly. A motor powers a metal piece that is pushed through the middle of a log. The metal piece used to split a log is an example of what simple machine? 
a)
wedge
b)
pulley
c)
screw
d)
lever
31.
 The picture shows a student using a pulley system to raise a flag. Which statement correctly describes the function of this system? 
a)
The more force used to pull the string, the more string will be needed to raise the flag. 
b)
The more force used to pull the string, the faster the flag will move up the flagpole. 
c)
The less force used to pull the string, the greater the distance the flag will move. 
d)
The less force used to pull the string, the longer the flag will remain raised.
32.
A ___________ is a bar that pivots on a fixed point. 
a)
wheel and axle
b)
pulley
c)
lever
d)
wheel
33.
Which of these below are levers?
a)
pry bar, scissors, mop
b)
toy car, spring scale
c)
kleenex, box, eraser
34.
How much work is being done with 200 N of force over 426 meters?
a)
85,200 J
b)
45,620 J
c)
90,480 J
d)
62,329 J
35.
If 150 Joules of work is needed to move a box 10 meters, what force was used? 
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
36.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
37.
You move an 8-newton weight five meters in 4 seconds. How much power have you generated?
a)
160 watts
b)
10 watts
c)
6.4 watts
d)
17 watts
38.

What is the ideal mechanical advantage of the following pulley?

a)

1

b)

2

c)

4

d)

6

39.
Jeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. How much mechanical advantage did the lever provide to Jeff in lifting the rock?
a)
0
b)
2
c)
4
d)
8
40.
The amount by which a machine multiplies input force is known as the 
a)
work.
b)
power.
c)
output force.
d)
mechanical advantage.
41.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

42.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
43.

Velocity is speed with __________________________.

a)

a unicycle helmet

b)

direction

c)

fight

44.

Jose wandered 4 km at 2 km/hr. How long did Jose wander?

a)

2 hours

b)

8 hours

c)

0.5 hours

d)

2 km

45.

At 60 seconds, how far had this object traveled?

a)

0 m

b)

10 m

c)

20 m

d)

40 m

46.

Which graph below shows 2 runners moving at the same speed?

a)
b)
c)
d)
47.

"For every action, there is an equal and opposite reaction" represents

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

48.

F=ma represents

a)

Newton's 1st law

b)

Newton's 2nd law

c)

Newton's 3rd law

d)

Law of conservation of momentum

49.
A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
50.
What kind of circuit is this?
a)
series
b)
parallel
51.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
52.
Electricity is the flow of ______.
a)
electrons
b)
protons
c)
neutrons
d)
atoms
53.
In most electrical circuits, the pathway is made of:
a)
Wood
b)
Plastic
c)
Metal
d)
Static
54.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
55.
This is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
56.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
57.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
58.
(Look at picture for question)
a)
A device that opposes the flow of electrons
b)
A device that allows easy flow of electrons
c)
A device that can be used as a battery
d)
Resistors do not exist
59.
Resistance is measured in ___. 
a)
watts. 
b)
amps.
c)
ohms.
60.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
61.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
62.
A charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit resistance
a)
58 Amps
b)
0.33 Amps
c)
13 Amps
d)
1 Amp
63.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
64.

What is this a symbol for?

a)

speaker

b)

photoresistor

c)

Light emitting diode (LED)

d)

Voltmeter

65.

This is the symbol for:

a)

A radio

b)

A speaker

c)

A microphone

d)

A horn

66.

What does this symbol represent?

a)

NC Switch

b)

NO Switch

c)

Resistor

d)

Transistor

e)

Battery

67.

What is the given symbol used for?

a)

Lamp

b)

Light Dependent Resistor

c)

Potentiometer

d)

Resistor

68.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
69.
During this step of the Design Process, engineers draw a detailed and labeled sketch of an idea for what might be created to solve the problem. 
a)
Step 3: Develop/Design a Solution
b)
Step 1: Define a Problem
c)
Step 5: Evaluate Solution
d)
Step 4: Build and Test Solution
70.
During this step of the Design Process, each team member creates several different options of how this problem can be solved.
a)
Step 5: Evaluate Solution
b)
Step 6: Present Solution
c)
Step 2: Generate Concepts
d)
Step 1: Define a Problem

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