About Earthquake Engineering

Earthquake Engineering: Learn How to Survive and Prevent Earthquakes

An earthquake can cause extensive damage to buildings, roads, and other infrastructure. That's why it's important for everyone to learn about earthquake engineering and how they can survive and prevent earthquakes.

Earthquake engineering is the study of how to protect buildings and other structures from the damage caused by earthquakes. earthquake engineers use their knowledge of physics, geology, and engineering to create earthquake-resistant designs.

Earthquake engineering is important because it can help save lives and prevent damage. By understanding how earthquakes happen and how they affect buildings, we can design structures that are more resistant to earthquake damage.

There are many different earthquake-resistant designs. Some of the most common include base isolation, seismic dampers, and earthquake-resistant construction techniques.

Base isolation is a type of earthquake engineering that uses flexible bearings to decouple a structure from its foundation. This allows the structure to move independently from the ground, which reduces the earthquake forces that can damage the building.

Final Verdict

Seismic dampers are devices that are used to absorb energy and reduce vibration. They are often used in tall buildings to help protect them from earthquake damage.

Following are some of the multiple choice questions on the Earthquake Engineering with answers that will help the students in developing their knowledge.

Earthquake Engineering MCQ

1. The magnitude of energy released by an earthquake is calculated using

  • Temblor scale
  • Richter scale
  • Tectonic scale
  • Seismic scale

2. Earthquakes occur most frequently at

  • plate surface
  • plate boundaries
  • plate vacuum
  • ocean beds

3. Richter scale measures the factors of

  • 2
  • 4
  • 5
  • 10

4. Instrument used to measure the earthquake is known as

  • quake meter
  • quake graph
  • seismograph
  • typanicgraph

5. At the intensity level of '1'

  • people don't feel earthquake
  • poor buildings collapse
  • building and bridges collapse
  • people feel the tremor and windows rattle

6. The amount of energy released by an earthquake is also known as

  • unit
  • magnitude
  • direction
  • scale

7. The earthquake is not noticeable up to the scale of

  • 3
  • 4
  • 5
  • 2

8. Tremendous damage along with huge destruction of buildings can take place at a scale of

  • 5
  • 6
  • 7
  • 10-Aug

9. The point at which the earthquake takes place is known as

  • origin
  • epicenter
  • principal
  • focus

10. In the Philippines, this book was adopted for the provisions on design of earthquake resistant structures.

  • NSCP
  • UBC
  • Both NSCP and UBC
  • none of the above

11. The amount of energy released on the value of '6' is 32 times greater than the amount of energy released on the value of

  • 3
  • 4
  • 5
  • 2

12. Site coefficients factor of medium stiff to stiff where the depth is not greater than 60.96 meters

  • 1.0
  • 1.2
  • 1.5
  • 2.0

13. In order to produce concrete, select the correct combination of proportionate materials required

  • Cement
  • Fine Aggregate
  • Course Aggregate
  • All Of above

14. This level of ground motion has been taken as being an effective peak ground acceleration of 0.4g.

  • Zone 1
  • Zone 2
  • Zone 4
  • Zone 3

15. It has an average shear wave velocity of 180 to 360 meters per second

  • soft rock
  • rock
  • stiff soil
  • soft soil

16. Mortar is a mixture of ________and ________ when mixed with _____________

  • cement, sand, water
  • sand, gravel, water
  • cement, concrete, water
  • none of the above

17. It has an average shear wave velocity of less than 180 meters per second

  • soft soil
  • stiff soil
  • rock
  • soft rock

18. A mixture of cement, sand, ________ and water is known as concrete

  • gravel
  • mortar
  • clay
  • none of the above

19. A description of seismic source which has a maximum moment magnitude of 6.8

  • Faults that are capable of producing large magnitude events
  • It has a high rate of activity
  • It has a low rate of activity
  • None of the 3 choices

20. The magnitude of the earthquake can be measured using

  • quake meter
  • quake graph
  • seismograph
  • typanicgraph

21. Earthquakes occur when there is a sudden release of stored up energy in the Earth's

  • inner core
  • outer core
  • upper mantle
  • lower crust

22. Tremors that have occurred in Earth's crust are known as

  • Earthquakes
  • Volcanic eruptions
  • Bed eruptions
  • Volcano-Earth Quake

23. Another name for Earthquakes is

  • nektons
  • temblors
  • blusters
  • flickers

24. Furniture may move and people may run outside the houses at the scale of

  • 3
  • 4
  • 5
  • 2

25. Many buildings and bridges collapse at a scale of

  • 5
  • 6
  • 7
  • 10-Aug

26. Earthquakes usually occur at the boundary of

  • crustal plates
  • mantle plates
  • coral plate
  • volcanic beds

27. At intensity level of '6'

  • people don't feel earthquake
  • poor buildings collapse
  • building and bridges collapse
  • people feel the tremor and windows rattle

28. Windows may rattle and people may feel the tremor at the scale of

  • 3
  • 4
  • 5
  • 2

29. The vibrations radiate from the focus in all direction as

  • Longitudinal waves
  • Transverse waves
  • Seismic waves
  • Typanic waves

30. The approximate range of earthquakes that occur each year is

  • hundreds
  • thousands
  • millions
  • billions

31. Richter scale is a

  • logarithmic scale
  • calculus scale
  • volumetric scale
  • area to vibration ratio scale

32. Poorly built buildings may collapse at a scale of

  • 5
  • 6
  • 7
  • 10-Aug

33. The magnitude of the earthquake indicates the amount of

  • vibrations per second
  • vibrations per minute
  • oscillations
  • energy released

34. The place directly above the focus on the Earth's surface is known as

  • origin
  • epicenter
  • principal
  • comma

35. Select the main properties of stones

  • Toughness Resistance to impact. Stones with toughness index >19, used for road works.
  • Hardness - Important property when stone is used for flooring and pavement.
  • Appearance - Stone with uniform and attractive colour is durable, used for face work
  • All of above

36. Stones are derived from rocks, which form the earth's crust and have no definite shape or chemical combination but are mixtures of two or more minerals. Select the common classifications of stones

  • Geological classification
  • Physical classification
  • Chemical classification
  • All of above

37. Stones are also common materials used in construction. Choose the usage of stones in construction industry

  • Structural material - foundation, walls, columns, etc
  • Face works - give appearance to structures
  • Paving stones floor, roads, foot paths etc.
  • All of above

38. Structure of wood can be divided into the following layers. You may choose more than one option.

  • Bark & Bast
  • Cambium
  • Sap & heart wood
  • All Of above

39. Timber is a traditional material used on Malaysia and can be divided into two (2) categories which are:

  • Hardwood and Softwood
  • Heart-wood and Self-wood
  • Heat-wood and Cool-wood
  • Hand-wood and Cream-wood

40. Choose the common types of steel used in construction

  • High Yield Steel
  • Mild Yield Steel
  • Soft Yield Steel
  • Both A & B

41. Select some of the advantages of steel as construction material

  • High ductility - Steel can undergo large plastic deformation before failure
  • Highly suitable for prefabrication and mass production
  • Steel can be reused after a structure is disassembled
  • All Of above

42. Select some of the advantages of using concrete as construction materials

  • Concrete expands and contracts with the changes in temperature.
  • Easy to disintegrate by alkali and sulfate attack
  • Needs another material to reinforce it against excessive shear and tension
  • All Of above

43. Concrete can handle the higher compression stresses as compared to tension

  • False
  • True

44. The types of soils requiring site-specific evaluation in Soil Profile Type SF

  • very low plasticity clays
  • partially decayed vegetation
  • Plasticity Index of 75 for the depth greater that 25 feet
  • low sensitive clays

45. Choose the correct types of Portland Cement

  • Ordinary Portland Cement (OPC)
  • Low Heat Portland Cement (LHPC)
  • Sulphate – Resistance Portland Cement (SRPC)
  • All Of above

46. Select common materials used on construction projects

  • Cement
  • Aggregates
  • Stone masonry
  • All Of above

47. As it was observed, in a cluster of buildings with the same level, shallow rock has less damaged than deep soils

  • True
  • False
  • No relation
  • none of the above

48. It caused the loose on soft soils which will affect its bearing capacity.

  • Earthquake
  • Distress of soil
  • Liquefaction
  • Excitation

49. A part of structure where all the loads are transmitted here.

  • Column
  • Beams
  • Earth or underlying soil or roks
  • Foundation

50. After the earthquake has taken place, it is followed by

  • proshocks
  • preshock
  • aftershocks
  • minimaximal shocks

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