eng cincept new

Question 1

Which material is prone to fire damage and
deterioration by moisture and insects?
A. concrete
B. masonry
C. wood
D. steel

Answer 1

c

Question 2

Which material is prone to fire damage and
deterioration by moisture and insects?
A. concrete
B. masonry
C. wood
D. steel

Answer 2

a

Question 3

Which of the following is a type of
aggregate?
A. gravel
B. topsoil
C. water
D. cement

Answer 3

a

Question 4

Approximately what percentage (by volume)
does aggregate make up in generalpurpose concrete?
A. 25%
B. 50%
C. 75%
D. 90%

Answer 4

c

Question 5

What does a sieve size of No. 4 mean?
A. The sieve has 4-in. openings.
B. The sieve has four openings per square
inch.
C. The sieve has four openings per linear
inch.
D. The sieve has four openings per square
foot

Answer 5

c

Question 6

Which panel wood product is made up of
thin layers of wood veneers adhered
together in alternating directions?
A. plywood
B. oriented strand board (OSB)
C. particle board
D. medium-density fiberboard (MDF)

Answer 6

a

Question 7

The 10 in a W10 × 30 steel beam indicates
what?
A. the nominal width of the flange in inches
B. the nominal depth of the beam in inches
C. the weight per foot of length in pounds
D. the length of the beam in feet

Answer 7

b

Question 8

Which of the following mortar types has the
highest strength?
A. Type M
B. Type S
C. Type N
D. Type O

Answer 8

a

Question 9

. Which of the following is a type of deep
foundation?
A. crawl space
B. strip footing
C. mat footing
D. caisson

Answer 9

d

Question 10

Clay is what type of soil?
A. solid rock
B. cohesive soil
C. cohesionless soil
D. organic soil

Answer 10

d

Question 11

Sand is what type of soil?
A. solid rock
B. cohesive soil
C. cohesionless soil
D. organic soil

Answer 11

c

Question 12

Soil that has been excavated and stockpiled
is considered to be in a state.
A. natural
B. bank
C. loose
D. compacted

Answer 12

c

Question 13

What is the purpose of a visual field soil
analysis?
A. see how much work has been completed
B. establish general soil classifications
C. check for the presence of worms in the
soil
D. develop an excavation plan

Answer 13

b

Question 14

What is the purpose of a visual field soil
analysis?
A. see how much work has been completed
B. establish general soil classifications
C. check for the presence of worms in the
soil
D. develop an excavation plan

Answer 14

a

Question 15

Fine-grained soils are soils finer than a
.
A. No. 60 sieve
B. No. 100 sieve
C. No. 200 sieve
D. No. 400 sieve

Answer 15

c

Question 16

Referencing the example of a boring log in
Figure 2-7, at approximately what depth
would you expect to find very stiff gray
sandy clay?
A. 5 ft to 9 ft
B. 10 ft to 14 ft
C. 15 ft to19 ft
D. 20 ft to 22 ft

Answer 16

d

Question 17

Wood, steel, and rigid insulation are all used
for .
A. concrete finishing
B. formwork shoring
C. strengthening concrete
D. concrete formwork

Answer 17

d

Question 18

Deflection is a result of what type of stress?
A. bending
B. tensile
C. shear
D. axial

Answer 18

a

Question 19

Which of the following is a type of multiuse
form?
A. tubular fiber column forms
B. insulated concrete forms (ICFs)
C. panel forms
D. form release

Answer 19

c

Question 20

Which of the following would be considered
a dead load?
A. workers
B. equipment
C. stored materials
D. formwork

Answer 20

d

Question 21

Which property of air is the best measure
for latent heat?
A. dry bulb
B. relative humidity
C. enthalpy
D. humidity ratio

Answer 21

d

Question 22

If you have an air sample with a dry bulb
temperature of 80º F and an RH of 50%,
what is its wet bulb temperature?
A. 31º
B. 67º
C. 77º
D. 80º

Answer 22

c

Question 23

If you have an air sample with a dry bulb
temperature of 60º F and an RH of 100%,
what is its wet bulb temperature?
A. 30º
B. 60º
C. 90º
D. 120º

Answer 23

b

Question 24

Using the psychrometric chart, if you have an
air sample with a dry bulb temperature of
60º F and a humidity ratio of 23.0 gr/lb,
what is its relative humidity?
A. 10%
B. 30%
C. 50%
D. 70%

Answer 24

b

Question 25

. Air sample A has a dry bulb temperature of
80º F and a relative humidity of 90%. Air
sample B has a dry bulb temperature of 65º
F and a relative humidity of 90%. Which of
the following statements is true?
A. A has more sensible heat but the same
latent heat as B.
B. A has less sensible heat but more latent
heat as B.
C. A has more sensible and latent heat as B.

Answer 25

c

Question 26

If you have 10 Ω of resistance and a voltage
of 20 V, how much current is going through
the circuit?
A. 0.5 A
B. 2 A
C. 10 A
D. 200 A

Answer 26

B. E = IR; 20 = I × 10; I = 2

Question 27

Which is the unit of measure for AC power?
A. volt
B. ampere
C. watt
D. coulomb

Answer 27

c

Question 28

f you have three resisters in series and they
each have 4 Ω of resistance, what is the total
resistance in the circuit?
A. 0.75 Ω
B. 1.33 Ω
C. 4 Ω
D. 12 Ω

Answer 28

D. 4 + 4 + 4 = 12

Question 29

If you have three resisters in parallel and
they each have 4 Ω of resistance, what is the
total resistance in the circuit?
A. 0.75 Ω
B. 1.33 Ω
C. 4 Ω
D. 12 Ω

Answer 29

B. 1/R = 1/4 + 1/4 + 1/4; R = 1.33

Question 30

n the United States, alternating current is
provided by utility companies at
hertz or cycles per
second.
A. 1
B. 50
C. 60
D. 100

Answer 30

c

Question 31

If a three-phase circuit has 240 V, using 100
A with a power factor of .5, what is the real
power?
A. 0.24 W
B. 12,000 W
C. 20,760 W
D. 24,000 kW

Answer 31

. C. 1.73 × 240 × 100 × 0.5 = 20,760

Question 32

If a single-phase circuit has 120 V, using 10
A with a power factor of .8, what is the
apparent power?
A. 12 W
B. 1,200 W
C. 1,661 W
D. 2,076 W

Answer 32

B. 120 × 10 = 1,200