Concrete

Question 1

one of the most widely used construction
materials due to its versatility, durability, and
cost-effectiveness

Answer 1

Concrete

Question 2

Properties of conc

Answer 2

Compressive strength
Tensile
Workability
Durability

Question 3

The quintessential compression
test entails subjecting cylindrical or cubical concrete
specimens to escalating loads until they succumb to
failure,
thereby
delineating
the
concrete’s
compressive strength profile.

Answer 3

Compression test

Question 4

Crucial for assessing concrete’s
capacity to withstand bending forces, the flexural test
serves as a litmus test for the structural integrity of
beams, slabs, and other load-bearing elements

Answer 4

Flexural test

Question 5

By exerting a splitting force
upon cylindrical specimens, the splitting tensile test
elucidates
concrete’s
tensile
strength
profile,
elucidating its resistance to tensile stresses

Answer 5

Splitting tensile test

Question 6

Embracing an
array of non-invasive techniques such as ultrasonic
testing, rebound hammer assessments, and pulse
velocity analyses, NDT furnishes invaluable insights
into concrete properties sans jeopardizing structural
integrity.

Answer 6

Non destructive testing

Question 7

A regimen of systematic testing
for constituent materials encompassing cement,
aggregates, and water ensues compliance with
meticulously crafted mix design specifications and
exacting quality standards.

Answer 7

Material testing

Question 8

Stringent scrutiny of
concrete batching plants is imperative to validate
adherence to prescribed mixing protocols, equipment
calibration, and meticulous quality control measures.

Answer 8

Batch plant inspection

Question 9

A panoply of on-site assessments
ranging from slump tests to air content analyses and
temperature monitoring is indispensable to safeguard
the consistency, integrity, and quality of concrete
during the placement phase

Answer 9

On site testing

Question 10

The judicious deployment
of optimal curing methodologies, be it through
meticulous moist curing or efficacious curing
compounds, constitutes a linchpin in nurturing
concrete to attain its desired strength, resilience, and
durability

Answer 10

Curing and protection

Question 11

Major ingredients of conc

Answer 11

a. Cement
c. Coarse aggregates
b. Fine aggregate
d. Water

Question 12

Conc in plastic stage

Answer 12

Green conc

Question 13

Properties of green conc

Answer 13

1. Workability
2. Bleeding
3. Segregation
4. Harshness

Question 14

More tests on conc

Answer 14

● Slump Test
● Compaction Factor Test
● Crushing Strength Test

Question 15

construction material consisting of wire
meshes and cement mortar

Answer 15

Ferro cement

Question 16

a homogeneous combination of
Portland cement, cement-silica, cement-pozzolana, limepozzolana; lime-silica pastes with having of identical cell
structure obtained from gas-forming chemicals or foaming
agents at measured levels.

Answer 16

Cellular conc

Question 17

It is made up of
cement, mortar, and discrete, short fibers distributed in a
uniform manner throughout the composite material.

Answer 17

Finer reinforced conc

Question 18

consists of brick
masonry which incorporates steel reinforcement embedded in
mortar or grout.

Answer 18

Reinforced brick conc

Question 19

Steel rods
(known as rebar), wires, or mesh are frequently introduced
into concrete to provide improvement in resisting tensile and
bending forces.

Answer 19

Reinforced cement conc

Question 20

concrete is compacted by ramming,
tamping, spading or by slicing with tools.

Answer 20

Hand compaction

Question 21

compacted by using high
frequency vibrators

Answer 21

Compaction by vibrators