Deck 7: Length and Length-Related Variables in Engineering

Question 1

How many centimeters are there in one meter?

A)
B)
C)
D)

Answer 1

A

Question 2

How much would it cost to cover a football field (45.72 m x 109.73 m) with one-dollar bills (5.08 cm x 15.24 cm)?

Answer 2

Question 3

Which is greater?

A)1 inch
B)1 centimeter

Answer 3

A

Question 4

If you were to measure the cross section of a 2 x 4 you would find it to be 1.5 inches wide by 3.5 inches tall.What do the numbers "2 x 4" refer to?

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

Question 5

Coordinate systems are used to locate things with respect to a known origin.

Question 6

How many millimeters are there in one meter?

A)
B)
C)
D)

Question 7

How many meters are there in one nanometer?

A)
B)
C)
D)

Question 8

Which of the following are "length" or "length-related" dimensions?

A)Distance
B)Area and volume
C)Diameter and circumference
D)All of the above

Question 9

How many meters are there in one centimeter?

A)
B)
C)
D)

Question 10

How many nanometers are there in one meter?

A)
B)
C)
D)

Question 11

Which is greater?

A)1 yard
B)1 meter

Question 12

Which of the following coordinate systems is most common?

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

Question 13

Length is one of the seven fundamental or base dimensions

Question 14

How many cubic inches are there in a cubic foot?

A)1
B)12
C)144
D)1728

Question 15

How many square inches are there in a square foot?

A)1
B)12
C)144
D)1728

Question 16

Which is greater?

A)1 kilometer
B)1 mile

Question 17

How many sugar cubes (1 cm x 1 cm x 1 cm) would fit in an empty class room with the dimensions of 10 m by 20 m by 4 m?

A)800 million
B)8 million
C)800,000
D)80, 000

Question 18

If you were to measure the cross section of a 2 x 4 you would find it to be 1.5 inches wide by 3.5 inches tall.What are the numbers "1.5 inches by 3.5 inches" called?

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

Question 19

How many meters are there in one millimeter?

A)
B)
C)
D)

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

Calculate the paint thickness if 7.57 liters of paint covers a wall 3.05 m high by 9.14 m long.Use appropriate units.

Question 22

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

How many sheets of standard notebook paper (21.59 cm x 27.94 cm) would it take to cover a football field (45.72 m x 109.73 m)?

Question 24

In the spring of 2010 an off-shore oil drilling rig exploded in the Gulf of Mexico.Not long after the explosion there was a 2 mm thick oil slick that was 8.05 km long by 4.83 km wide.How much oil was in the slick? Express your answer in cubic meters.

Question 25

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

A)ability to resist bending
B)ability to resist stretching
C)ability to resist compression
D)none of the above

Question 26

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

Question 27

From your home, you walk east and then north.If you were to walk straight home, how far do you have to walk?

A)
B)
C)
D)

Question 28

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?

Question 29

A certain unsharpened cylindrical pencil is 0.635 cm in diameter and 25.4 cm long.What is the pencil's surface area?

A)12.9 cm2
B)25.8 cm2
C)38.7 cm2
D)51.6 cm2

Question 30

From your home, you walked east and then north.What is your total distance traveled?

A)
B)
C)
D)

Question 31

Describe why crushed ice cools your beverage faster than larger ice cubes.

Question 32

There are 640 acres in a square mile.How many square miles are there in 80 acres?

A)
B)
C)
D)

Question 33

A motorcycle has a magnet attached to the rim of its front wheel.The front tire has a diameter of 60 cm.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)600 cm
B)60 cm
C)188.5 m
D)18.85 m

Question 34

An 2.44-meter tall vertical stack of firewood casts a 3.66-meter shadow on horizontal ground.What is the angle of the sun in the horizon?

A)
B)
C)
D)

Question 35

Explain why snowshoes allow a person to walk on top of the snow without sinking in.

Question 36

A certain sport utility vehicle is equipped with 43.18 cm rims (which correspond to a tire diameter of 65.28 cm).The vehicle is later upgraded to the 48.26 cm rims (which correspond to a tire diameter of 71.63 cm).If the onboard computer is not reset for the new tires, the odometer will not be accurate.When the odometer indicates that you have driven 1609 km on the new tires, how many km have you actually driven? (Round your answer to the nearest km.)

Question 37

A rubber ball has a diameter of 7.62 cm.What is its volume?

A)68.8 cm3
B)688.3 cm3
C)22.9 cm3
D)229.4 cm3

Question 38

The strength of a tree branch is approximately proportional to its cross-sectional area while its weight is proportional to its volume.If you "scale up" a tree branch by a factor of two (double all of its linear dimensions) by what factor is its strength increased? By what factor is its weight increased?

Question 39

A rubber ball has a diameter of 7.62 cm.What is its surface area?

A)18.1 cm2
B)1.8 cm2
C)180.6 cm2
D)1806.4 cm2

Question 40

A certain unsharpened cylindrical pencil is 0.635 cm in diameter and 25.4 cm long.What is the pencil's volume?

A)16.4 cm3
B)8.2 cm3
C)81.9 cm3
D)163.9 cm3

Question 41

Your neighbor is digging a hole in his back yard for an in-ground swimming pool.The rectangular hole is 6.4 m wide, 12.8 m long and 1.8 m deep.If a truck can haul 7.6 cubic meters, how many trips will it take to haul all of the dirt away?

A)10
B)2
C)7
D)20