Free Printable Quiz 1

1.

Which of the following properties must be known in order to calculate the amount of heat needed to melt 1.0 kg of ice at 0ºC?

I. The specific heat of water

II. The latent heat of fusion for water

III. The density of water

a)

I only

b)

I and II only

c)

I, II, and III

d)

II only

2.

Which of the following is an example of convection?

a)

The heat of the sun warming our planet

b)

The heat from an electric stove warming a frying pan

c)

A microwave oven cooking a meal

d)

An overhead fan cooling a room

3.

A heat engine produces 100 J of heat, does 30 J of work, and emits 70 J into a cold reservoir.

What is the efficiency of the heat engine?

a)

100%

b)

70%

c)

40%

d)

30%

4.

A person sips a drink through a straw. At which of the following three positions is the pressure lowest?

I. Inside the person’s mouth

II. At the surface of the drink

III. At the bottom of the drink

a)

only at position I

b)

only at position II

c)

only at position III

d)

both at positions I and II

5.

Brian saves 2-liter soda per bottles so that he can construct a raft and float. If Brian has a mass of 80 kg, what minimum number of bottles is necessary to support him? The density of water is 1000 kg/m^3, and 1000 L = 1 m^3.

a)

1600 bottles

b)

800 bottles

c)

40 bottles

d)

4 bottles

6.

A pirate ship hides out in a small inshore lake. It carries twenty ill-gotten treasure chests in its hold. But lo, on the horizon the lookout spies a gunboat. To get away, the pirate captain orders the heavy treasure chests jettisoned. The chests sink to the lake bottom. What happens to the water level of the lake?

a)

The water level drops.

b)

The water level rises.

c)

The water level does not change.

d)

The water level equal to the wight of the ship

7.

A copper wire of diameter d is stretched by a load hanging vertically from its lower end. The strain of the wire is 8.0x10^-4. What is the strain in another copper wire of the same lenght but of diameter 2d?

a)

2.0 x 10^-4

b)

4.0 x 10^-4

c)

1.6 x 10^-4

d)

3.2 x 10^-4

8.

In an experiment to measure the young's modulus of steel, a student uses a steel wire.

Length of wire = (3.00± 0.01) m

Diameter of wire = (0.55 ± 0.01) mm

Mass of load = (8.00 ± 0.01) kg

Extension = (3.00 ± 0.01) mm

a)

Measurement of length

b)

Measurement of diameter

c)

Measurement of mass

d)

Measurement of extension

9.

A steel wire and a copper wire of equal length and diameter are joined at one end. A longitudinal force F is applied to the free ends.

If the young's modulus of steel is twice that of copper, which statement is true?

a)

The extension of the copper wire is twice of the steel wire.

b)

The stress of the steel wire is twice of the copper wire.

c)

The strain of the steel wire is twice of the copper wire

d)

The final length of the copper wire is twice of the steel wire.

10.

A copper rod of cross sectional area 0.5cm^2 and length 1.0m is elongated by 2.0x10^-2 mm, and a steel rod of the same cross sectional area but 0.1m in length is elongated by 2.0x10^-3mm. Which rod has greater tensile strain?

a)

The copper rod

b)

The steel rod

c)

The starin is the same for both

d)

the aluminum rod

11.

A copper rod of cross sectional area 0.5cm^2 and length 1.0m is elongated by 2.0x10^-2 mm, and a steel rod of the same cross sectional area but 0.1m in length is elongated by 2.0x10^-3mm. Which rod is under greater tensile stress?

a)

the copper rod

b)

the steel rod

c)

the stress is the same for both

d)

the aluminum rod

12.

While parking your car on a crowded street, you accidentally back into a steel post. You pull forward until the car no longer touches the post and then get out to inspect the damage. What does your rear bumper look like if the strain in the impact was the bumper will have sprung back to its original shape (although the paint may be scratched).

a)

Less than at the proportional limit

b)

greater than at the yield point, but less than at the fracture point

c)

greater than at the fracture point

d)

Less than the proportional limit

13.

While parking your car on a crowded street, you accidentally back into a steel post. You pull forward until the car no longer touches the post and then get out to inspect the damage. What does your rear bumper look like if the strain in the impact was the bumper will have a permanent dent or deformation.

a)

Greater than at the proportional limit, but less than at the yield point.

b)

Greater than at the yield point, but less than at the fracture point

c)

Greater than at the fracture point

d)

Less than the proportional limit

14.

While parking your car on a crowded street, you accidentally back into a steel post. You pull forward until the car no longer touches the post and then get out to inspect the damage. What does your rear bumper look like if the strain in the impact was the bumper will be torn or broken.

a)

less than at the proportional limit

b)

greater than at the yield point but less than at the fracture point

c)

greater than at the fracture point

d)

greater than the proportional limit

15.

Which the density is 2.5x 10^3 kg/m^3

a)

mass 2560kg, volume 0.64m^3

b)

mass 2560kg, volume 1.28m^3

c)

mass 8kg, volume 3.2x10^-3m^3

d)

mass 8kg, volume 1.6x10^-3m^3

16.

Mercury is less dense at high temperatures than at low temperature. Suppose you move a mercury barometer from the cold interior of a tightly sealed refrigerator to outdoor on a hot summer day. You find that the column of mercury remains at the same height in the tube. How was the air pressure inside the refrigerator is compared with the air pressure outdoor?

a)

higher

b)

lower

c)

the same (ignore the very small change in the dimension of the glass due to the temperature change.

d)

Equal initially but changing

17.

A 15kg container of seawater o a scale and note the reading on the scale. Now you suspend the statue in the water. How does the reading change?

a)

It increases by 7.84N

b)

It decrease by 7.84N

c)

It remains the same

d)

It equal with weight

18.

You put a thermometer in a pot of hot water and record the reading. What temperature have you recorded?

a)

The temperature of the water

b)

The temperature of the thermometer

c)

an equal average of the temperatures of the water and thermometer

d)

a weighted average of the temperature of the water and thermometer with more emphasis on the temperature of the water

19.

Rank the following temperatures from highest to lowest

i. 0.0C

ii. 0.0F

iii. 260.0K

iv. 77.0K

v. -180.0C

a)

ii,i,v,iii,iv

b)

iii,iv,ii,i,v

c)

i, iii.ii, v, iv

d)

i,iii,iv,ii,v

20.

Define the term ‘deformation’ of material

a)

A change in shape due to the application of a stress about the elastic limit

b)

A change in force due to the application of a shape about the elastic limit

c)

A change in shape due to the application of a force about the elastic limit

d)

A change in elastic limit due to the application of a shape about the force limit

21.

State Pascal Principle

a)

A stress change occurring anywhere in a confined compressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

b)

A bulk modulus change occurring anywhere in a confined compressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

c)

A pressure change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

d)

A elastic limit change occurring anywhere in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.

22.

Define heat (Q) and state the SI unit of heat

a)

Q is power transferred from one object to another due to differences in a temperature. SI unit is Watt

b)

Q is energy transferred from one object to another due to differences in a temperature. SI unit is Joule

c)

Q is thermal equilibrium transferred from one object to another due to differences in a temperature. SI unit is Joule

d)

Q is quantity of force transferred from one object to another due to differences in a temperature. SI unit is Newton

23.

A gauge pressure measure a tyre of a car with reading of 2.0x10^5 Pa. If each of the tyres has area 0.025 m^2 which in contact with the ground. Calculate the mass of the car?

a)

1.05kg

b)

8.02kg

c)

4.04kg

d)

2.038 kg

24.

A zinc block with mass 400 𝑔 is heated so that it reaches 120 ℃ is put into a beaker of mass 250 𝑔 which contains 550 𝑔 of cold water at a temperature of −3.5 ℃. Determine the final temperature of the isolated mixture.

(Given specific heat capacity, zinc = 0.39 𝑘𝐽. 𝑘𝑔−1℃−1 ,

water = 4200 𝐽. 𝑘𝑔−1℃−1 , beaker = 0.84 𝑘𝐽. 𝑘𝑔−1℃−1 ).

a)

3.95℃

b)

18.9℃

c)

1.9℃

d)

87℃

Quiz 1

Total questions: 24

Worksheet time: 54mins

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