Deck 7: Length and Length-Related Variables in Engineering

Question 1

How many square centimeters are there in a square meter?

A) 10
B) 100
C) 1000
D) 1329

Answer 1

C

Question 2

If you were to measure the cross section of a $2 \times 4$ you would find it to be 38 millimeters wide by 90 millimeters tall. What are the numbers $" 2 \times 4 "$ called?

A) Actual size
B) Nominal size
C) Approximate size
D) Rough size

Answer 2

Nominal size

Question 3

How many meters are there in one millimeter?

Answer 3

D

Question 4

You walk 3km east and then 4km north. What is your total distance traveled?

A) 3km
B) 4km
C) 5km
D) 7km

Question 5

How many meters are there in one centimeter?

Question 6

Which is greater?

A) 1 yard
B) 1 meter

Question 7

Which of the following coordinate systems is most common?

A) rectangular
B) cylindrical
C) spherical
D) polar

Question 8

How many millimeters are there in one meter?

Question 9

If you were to measure the cross section of a $2 \times 4$ you would find it to be 38 millimeters wide by 90 millimeters tall. What are the numbers "38 millimeters wide by 90 millimeters tall"
Called?

A) Actual size
B) Nominal size
C) Finished size
D) Total size

Question 10

How many centimeters are there in one meter?

Question 11

Which is greater?

A) 10 inches
B) 10 centimeters

Question 12

You walk west and then headed $60 ^ { \circ }$ north of east. What is your total displacement?

A) 2.6km
B) 3.6km
C) 5km
D) 5.6km
E) 7km

Question 13

While changing oil in your motorcycle you notice that you need 2 quarts and 6 ounces of oil,
but you're using a metric graduated cylinder to measure the oil. How many milliliters of oil do
you need?
________ ml

Question 14

A car travels 560km while consuming 60 liters of petrol (gasoline). What is the car's gas
mileage in mpg?

Question 15

Which is greater?

A) 1 kilometer
B) 1 mile

Question 16

Length is one of the seven fundamental dimensions.

Question 17

How many cubic centimeters are there in a cubic meter?

A) 1
B) 3444
C) 100
D) 100,000

Question 18

A 50 kg woman wearing high heels balances on one heel. If the heel is circular and has a
diameter of 1cm , what pressure does she exert on the floor? (Express your answer in KPa).
________ KPa

Question 19

You walk east and then north. What is your total displacement?

A) 3km
B) 4km
C) 5km
D) 7km

Question 20

Another name for rectangular coordinate system is

A) polar coordinate system.
B) cylindrical coordinate system.
C) square coordinate system.
D) Cartesian coordinate system.

Question 21

A rubber ball has a diameter of eight centimeters. What is its surface area?

Question 22

If an object is completely submerged in a fluid, its buoyant force is always equal to

A) the weight of the object.
B) the volume of the fluid displaced.
C) the weight of the fluid displaced.
D) the density of the fluid displaced.

Question 23

The second moment of area provides information about an object's

A) ability to resist bending.
B) ability to resist wear.
C) ability to absorb light.
D) ability to reflect light.

Question 24

A 2 meter tall vertical stack of firewood casts a 4 meter shadow on horizontal ground. What is the angle of the sun in the horizon?

Question 25

A certain unsharpened cylindrical #2 pencil is ½ centimeter in diameter and 25 centimeters long. What is the pencil's surface area?

Question 26

A motorcycle has a magnet attached to the rim of its front wheel. The front tire has a diameter of 60cm . A magnetic pickup is attached to the front forks and receives an electronic
Pulse each time the magnet passes by. How far has the motorcycle traveled when the pickup has
Received 10 pulses?

A) 600cm
B) 600 ft
C) 1885cm
D) 1.885m

Question 27

There are 100 Hectares in a square kilometer. How many square kilometers are there in 12.5 Hectares?

Question 28

A certain unsharpened cylindrical #2 pencil is entimeters in diameter and 25 centimeters long. What is the pencil's volume?

Question 29

A rubber ball has a diameter of eight inches. What is its volume?

Question 30

Your neighbor is digging a hole in his back yard for an in-ground swimming pool. The rectangular hole is 7 meters wide, 14 meters long, and 4 meters deep. If his pickup truck can
Haul one cubic meter, how many trips will it take him to haul all of the dirt away?

A) 10584
B) 3528
C) 392
D) 44