CEO

Question 1

__ of Building is the science of controlling the unwanted noise in the living environment.

Answer 1

Acoustic control

Question 2

Acoustic properties of construction materials

Answer 2

Steel
Concrete
Fiber Glass
Rubber and Plastic

Question 3

is considered as the best material for sound insulation.

Answer 3

Steel

Question 4

The ___ is more rigid and has a high density.

Answer 4

concrete

Question 5

___ it is a sound-insulating material. It has a sound absorption property.

Answer 5

Fiber Glass

Question 6

Construction Techniques for Noise Control in Buildings

Answer 6

• Construction of walls

• Use of Cavity walls in the partition
• By increasing thickness and mass of the wall

• Use of Acoustic blankets in airspace

• Use of different panels

• Construction in size of windows

• Increasing thickness of the glass

• Installation of double glazed windows

Question 7

___ of concrete is a method of using new concrete to repair damaged
concrete.

Answer 7

Conventional placement

Question 8

___ should not be used when there is
an active threat of deterioration that caused the existing concrete to fail.

Answer 8

Replacement concrete

Question 9

___ must be designed to withstand the forces and deformations that occur in and
adjacent to connections.

Answer 9

Precast members

Question 10

Planning a concrete repair requires consideration of many factor, including the following:

Answer 10

▪ Application conditions
▪ Geometry
▪ Temperature
▪ Moisture
▪ Location
▪ Service conditions
▪ Downtime
▪ Traffic
▪ Chemical attack
▪ Appearance
▪ Service life

Question 11

Planning a concrete repair requires consideration of many factor, including the following:

Answer 11

▪ Application conditions
▪ Geometry
▪ Temperature
▪ Moisture
▪ Location
▪ Service conditions
▪ Downtime
▪ Traffic
▪ Chemical attack
▪ Appearance
▪ Service life

Question 12

Type of damage in concrete structures

Answer 12

Physical, Chemical, Biological, and Mechanical Factors

Question 13

Physical factors include

Answer 13

Heat, changes in temperature, moisture, wind

Question 14

___ also called high-rise, multistory building tall enough to require the use of a
system of mechanical vertical transportation such as elevators.

Answer 14

High-rise building

Question 15

The ____ of high-rise buildings support very heavy loads, but the systems developed for
low-rise buildings are used, though enlarged in scale.

Answer 15

foundations

Question 16

___ in its broadest sense is the alteration of any property of a soil or rock to
improve its engineering properties.

Answer 16

Ground Improvement

Question 17

___ in its broadest sense is the alteration of any property of a soil or rock to
improve its engineering properties.

Answer 17

Ground Improvement

Question 18

It is essential that in place soil should possess certain properties to withstand the load caused by
the structure.

Answer 18

Compaction

Question 19

It is necessary to eliminate the seepage pressure to increase the shearing resistance or to reduce the danger of frost damage.

Answer 19

Drainage Method

Question 20

__ is the technique applied on the ground to improve the subsoil condition by
applying temporary loading at the construction site.

Answer 20

Precompression

Question 21

___ are used in any ground improvement techniques which could bring in
deformation and displacement resulting in densification.

Answer 21

Vibration methods

Question 22

____ is effectively used in the densification of saturated cohesionless
soil.

Answer 22

vibro-compaction method

Question 23

It is also called granular piles. Are installed mostly by vibration techniques.

Answer 23

Stone columns

Question 24

it is a process of ground improvement which is attained by injecting fluid-like material into the
subsurface of soil or rock.

Answer 24

Grouting and injection

Question 25

____ is valuable in foundation work before construction, during
construction, and after construction.

Answer 25

Grouting