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ME DPWH SET 16 (593)

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What are the particle size analysis?

a)
Particle size analysis is a method to determine the color of particles
b)
Particle size analysis measures the weight of particles in a sample
c)
Particle size analysis is used to identify the chemical composition of particles
d)

Particle size analysis is the determination of particle size

distribution in soil by sieve, hydrometer,

or combined analysis

2.

What are the other terms or particles size analysis?

a)

Sieve analysis

Mechanical analysis

Grading test/analysis

b)
Sedimentation analysis
c)
Viscosity analysis
d)
Density analysis
3.

What is the liquid limit?

a)

The liquid limit is the lowest moisture content at

which the soil will flow upon the

application of a very small shearing force

b)
The liquid limit is the water content at which soil changes from liquid to solid state.
c)
The liquid limit is the maximum water content in soil.
d)
The liquid limit is the water content at which soil becomes impermeable.
4.

The liquid limit is expressed as the moisture

content corresponding to what number of blows?

a)
15
b)
30
c)
40
d)
25
5.

What is plastic limit?

a)

It is the minimum moisture content at

which the soil can be readily molded

without breaking or crumbling

b)
Water content at which a soil changes from a semisolid to a liquid state.
c)
The water content at which a soil changes from a semisolid to a solid state.
6.

What kind of water shall be used in laboratory test

especially if it deals with chemicals?

a)

Deionized water/Distilled

b)
Tap water
c)
Saltwater
d)
Mineral water
7.

Liquid limit brass cup with sample is raised and

allowed to drop sharply on the base through a

height of what?

a)
10 mm
b)
20 mm
c)
15 mm
d)
5 mm
8.

In doing a plastic limit test, to what diameter shall

the soil thread began to break?

a)

3.2 mm

b)
3.9 mm
c)
2.8 mm
d)
4.5 mm
9.

What is the formula for plastic limit?

a)
Plastic Limit = Liquid Limit + Plastic Limit
b)
Plastic Limit = Liquid Limit * Plastic Limit
c)
Plastic Limit = Liquid Limit / Plastic Limit
d)

PL =(Wa –Wb)/Wb x 100

Wa = original wt. of crumbled soil thread

Wb = wt of oven dried crumbled soil

10.

What is the Plastic Index (PI)

a)
PI = LL + PL
b)
PI = LL / PL
c)
PI = LL * PL
d)
PI = LL - PL
11.

What is specific gravity?

a)

Specific gravity It is a gravimetric-volumetric relationship

in soils (or defined as the ratio of the wt.

in air of an equal volume of water at a

stated temp.)

b)
Specific gravity is the speed of light in a vacuum
c)
Specific gravity is the measure of acidity in a substance
d)
Specific gravity is the weight of an object in water
12.

What is the approximate area for density control

strips?

a)

335 m2

b)

345 m2

c)

355 m2

d)

365 m2

13.

What is the maximum depth of roadway

embankment per horizontal layer in loose

measurement?

a)
4 inches
b)
8 inches
c)
10 inches
d)
6 inches
14.

What item of work is embankment?

a)

Item 104

b)

Item 105

c)
Water treatment plant
d)
Flood prevention structure
15.

What is the required particle size for selected

borrow for topping under item 104 (embankment)?

a)

All particle size will pass a sieve 75 mm

or 3” square openings and not more than

15% will pass 0.075 mm (No. 20)

AASHTO 12

b)

All particle size will pass a sieve 100 mm

or 4” square openings and not more than

15% will pass 0.075 mm (No. 20)

AASHTO 11

c)

All particle size will pass a sieve 75 mm

or 3” square openings and not more than

15% will pass 0.075 mm (No. 20)

AASHTO 11

16.

P.I. requirement for item 104 (selected common

borrow) is

a)

6 maximum

b)

12 maximum

c)

30 maximum

d)

20 maximum

17.

LL requirement for item 104 (selected common

borrow) is

a)

30 maximum

b)

35 maximum

c)

25 maximum

d)

40 maximum

18.

What is the LL requirement for item 200 (aggregate

subbase course) passing sieve #40?

a)

12 maximum

b)

35 maximum

c)

25 maximum

d)

30 maximum

19.

What are the test required for concrete

aggregates?

a)

Fine agg: Grading, specific gravity,

absorption, dry unit wt.

b. CoarseAgg: Grading, Specific gravity,

absorption, dry unit wt. and abrasion

Note: soundness is also tested as per request

b)

Fine agg: Grading, specific gravity,

absorption, dry unit wt., LL and PL

b. CoarseAgg: Grading, Specific gravity,

absorption, dry unit wt. and abrasion, LL and PL

20.

What is the maxiumum mass % of water by Los

Angeles Abrasion Test?

a)
10%
b)
3%
c)
7%
d)

40%

21.

What is the required speed of Los Angeles Abrasion

Machine per minute?

a)

30 to 33 rpm

b)

35 to 40 rpm

c)

40 to 45 rpm

22.

What is the size or diameter and weight of castiron

spheres use in abrasion?

a)

Approximately 46.8 m diameter and each

weighing between 390 – 455 grams

b)

Approximately 48.6 m diameter and each

weighing between 490 – 555 grams

c)

Approximately 64.8 m diameter and each

weighing between 590 – 655 grams

23.

What is the required total wt. of sample for

abrasion test of coarse aggregate grading A with 12

number of spheres?

a)

5,000 grams ± 25 grams

b)

5,100 grams ± 25 grams

24.

What is the significance of abrasion test?

a)
To measure the electrical conductivity of a material
b)
To assess the impact resistance of a material
c)
To evaluate the resistance of a material to wear due to friction.
d)
To determine the chemical composition of a material
25.

What is the sieve use in sieving materials from

Abrasion Machine?

a)

Sieve # 8 (2.36 mm)

b)
Mixing Machine
c)

Sieve # 12 (1.70 mm)

d)
Filter Machine
26.

Testing machine should be calibrated once every

(6) months if possible but if not possible what is the

required time should the machine be calibrated?

a)

Once a year

b)

every 2 years

c)

every 3 years

27.

What is the percent tolerance of error in calibrating

the machine?

a)

± 1 %

b)

± 2 %

c)

± 3 %

d)

± 4 %

28.

What do you call a sample for concrete pavement?

a)
Concrete mix
b)

Concrete beam sample

c)
Concrete core
d)
Concrete slab
29.

What do you call the sample for structural concrete

a)
Concrete mix
b)

Concrete Cylinder sample

c)
Concrete core
d)
Concrete slab
30.

How many sample should be taken for every 75

m3Of fresh concrete?

a)

3 pcs. Sample or 1 set sample

b)

4 pcs. Sample or 1 set sample

c)

2 pcs. Sample or 1 set sample

d)

1 pcs. Sample or 1 set sample

31.

What is the test use to determine the consistency

of concrete?

a)
Tensile test
b)
Flexural test
c)
Compression test
d)
Slump test
32.

At what age should concrete beam sample be

tested for flexural test?

a)

4 days

b)
30 days
c)
21 days
d)
14 days
33.

How to compute the flexural strength for third

point loading test?

a)
Flexural strength $ \sigma_f = \frac{2PL}{bd^3} $
b)

R = 3PL/bd2

c)

R = PL/bd2

d)
Flexural strength $ \sigma_f = \frac{PL^2}{bd} $
34.

How to compute for flexural strength at center

point loading?

a)
Flexural strength $ \sigma_f = \frac{2PL}{bd^3} $
b)

R = 3PL/bd2

c)

R = PL/bd2

d)
Flexural strength $ \sigma_f = \frac{PL^2}{bd} $
35.

What is the minimum flexural strength for third

point loading test?

a)
15 MPa
b)
25 MPa
c)

4.5 Mpa (650 psi)

d)

3.8 Mpa (550 psi)

36.

What is the minimum flexural strength for center

point loading test

a)
15 MPa
b)
25 MPa
c)

4.5 Mpa (650 psi)

d)

3.8 Mpa (550 psi)

37.

Which part of the batch for fresh concrete should

the sample be taken from a stationary mixers,

revolving drum truck mixers or agitators?

a)
The edges of the batch
b)

Two or more regular intervals during

discharge of middle portion of the batch

c)
The bottom of the batch
d)
The top of the batch
38.

What is the size of tamping rode use in sampling

concrete?

a)
1/2 inch in diameter and 30 inches long
b)
3/4 inch in diameter and 18 inches long
c)
5/8 inch in diameter and 24 inches long
d)
5/16 inch in diameter and 36 inches long
39.

Concrete Masonry (hollow blocks) if subject to test,

how many sample is required?

a)
10 samples
b)

6 pcs/ 20,000 units

12 pcs if more than 20,000 unit

c)

10 pcs/ 10,000 units

12 pcs if more than 10,000 unit

d)

6 pcs/ 10,000 units

12 pcs if more than 10,000 unit

40.

What is the strength requirement for load bearing

concrete masonry units?

a)

Individual = 5.5 Mpa( 800 psi) minimum

Average = (1,000 psi)

minimum

b)

Individual = ( 500 psi) minimum

Average = (600 psi)

minimum

c)
1,200 psi minimum for standard load bearing applications.
d)
2,500 psi minimum for standard load bearing applications.
41.

What is the required length of RSB for testing?

a)

1 meter/ 10,000 kg/site/shipment

b)

1 meter/ 20,000 kg/site/shipment

c)

1 meter/ 30,000 kg/site/shipment

d)

2 meter/ 10,000 kg/site/shipment

42.

What kind of asphalt is used as prime coat?

a)

Cut-back asphalt (Medium Curing or Rapid

Curing)

b)

Cut-back Asphalt (rapid Curing) or Emulsified

Asphalt

c)

Cut-back Asphalt (slow curing)

43.

What kind of asphalt is used as prime coat?

a)

Cut-back asphalt (Medium Curing or Rapid

Curing)

b)

Cut-back Asphalt (rapid Curing) or Emulsified

Asphalt

c)

Cut-back Asphalt (slow curing)

44.

Where should the Bituminous Seal Coat be used?

a)
Bituminous Seal Coat should be used on concrete pavements in high traffic areas.
b)
Bituminous Seal Coat is suitable for gravel roads in residential areas.
c)
Bituminous Seal Coat is recommended for indoor flooring applications.
d)

Bituminous Seal Coat should be used on On an existing Bituminous Surface Course

with or without an Application of Aggregates

45.

Bituminous Prime Coat is use to treat the surface

of base course

a)

True

b)

False

c)

Maybe

46.

No Tack Coat or Prime Coat shall be applied when

the weather is foggy or rainy

a)

True

b)

False

c)

Maybe

47.

If concrete cylinder sample for RCP is not available

for compression test one (1) whole piece RCP for

every 50 pcs. RCP will be submitted for Quality Test

a)

True

b)

False

c)

Maybe

48.

One set (3 pcs) concrete cylinder sample shall be

taken for every how many pieces of RCP?

a)
50 pieces of RCP
b)
75 pieces of RCP
c)

25 pieces of RCP

d)
100 pieces of RCP
49.

In submitting samples for testing, what particular

form is being accomplished?

a)

Sample Card

b)
Testing form
c)
Request form
d)
Sample form
50.

In submitting samples for testing, what particular

form is being accomplished?

a)

Sample Card

b)
Testing form
c)

Quality Control Assurance Report

d)
Sample form

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