PE Civil Engineering: Structural Practice Exam - Quiz 09

Question 1 of 10

1. Question

What is sludge?

A mixture of organic, inorganic solids, treatment chemicals, and water that settle in tanks.
Sludge is thick paint.
Sludge is waste from population houses.
Sludge is a mixture of inorganic solids and water that settle in tanks.

Question 2 of 10

2. Question

Which is a by-product of aerobic and anaerobic decomposition?

Carbon dioxide is a by-product of both aerobic and anaerobic decomposition.
Oxygen is a by-product of both aerobic and anaerobic decomposition.
Methane is a by-product of both aerobic and anaerobic decomposition.
Propane is a by-product of both aerobic and anaerobic decomposition.

Question 3 of 10

3. Question

Which contributes to air pollution?

Smoke contributes to air pollution.
Oil spill contributes to air pollution.
Plastic contributes to air pollution.
Lead contributes to air pollution.

Question 4 of 10

4. Question

What is the dimensional formula for force?

The dimensional formula for force is MLT-2.
The dimensional formula for force is MLT-4.
The dimensional formula for force is ML2T.
The dimensional formula for force is M2LT.

Question 5 of 10

5. Question

How is hazardous waste disposed of?

Hazardous waste is disposed of by storage, treatment, or at a disposal facility.
Hazardous waste is disposed of at 600 ft out in the ocean.
Hazardous waste is always stored.
Hazardous waste is buried.

Question 6 of 10

6. Question

What causes falling water to shape as a sphere?

Surface tension causes falling water to shape as a sphere.
Energy causes falling water to shape as a sphere.
Temperature causes falling water to shape as a sphere.
Cohesion causes falling water to shape as a sphere.

Question 7 of 10

7. Question

Very low pressure is measured using a:

A monometer is used to measure very low pressure.
A thermometer is used to measure very low pressure.
A barometer is used to measure very low pressure.
A scale is used to measure very low pressure.

Question 8 of 10

8. Question

The law of triangle of forces states:

If the forces acting on a particle are represented by the two sides of a triangle taken in order in magnitude and direction, their results will be represented by the third side of the triangle in magnitude and direction, taken in the opposite order.
Forces working together are equal.
Forces working together are unequal.
If the forces acting on a particle are represented by the three sides of a triangle taken in order in magnitude and direction, their results will be represented by the third side of the triangle in magnitude and direction, taken in the opposite order.

Question 9 of 10

9. Question

Water is retained the least in:

Water is retained the least in coarse gravel.
Water is retained the least in cement.
Water is retained the least in clay.
Water is retained the least in a rock.

Question 10 of 10

10. Question

The hardness of water can be removed if it is caused by:

The hardness of water can be removed if it is caused by calcium bicarbonate.
The hardness of water can be removed if it is caused by magnesium sulfate.
The hardness of water can be removed if it is caused by sodium nitrate.
The hardness of water can be removed if it is caused by calcium nitrate.

PE Civil Engineering: Structural Practice Exam – Quiz 09

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