#1.
Find the area at the cross section of a pipe with
the inside diameter of 14 inches and outside
diameter of 17 inches?
A
38.92 sq.in
B
220.42 sq. in
C
73.04 sq. in
D
153.94 sq. in
Answer: 73.04 sq. in
#2.
If the total fall of house sewer is 24 inches per 120
feet. What is the slope per foot in sewer?
A
0.01
B
0.04
C
0.03
D
0.02
Answer: 0.02
#3.
The amount of heat required to change ice to
liquid water is?
A
344 Btu
B
214 Btu
C
114 Btu
D
144 Btu
Answer: 144 Btu
#4.
For any two triangles, if an angle of one triangles
is congruent to an angle of the other and if the
two sides of one triangle are proportional to two
sides of the other, they are what kind of
triangles?
A
Dissimilar
B
Complementary
C
Supplementary
D
Similar
Answer: Similar
#5.
A temperature of 1800 F is approximately equal
to?
A
172.22 oC
B
182.22 oC
C
82.22 oC
D
72.22 oC
Answer: 82.22 oC
#6.
An angle inscribe in a semi-circle is always?
A
180 degrees
B
greater than 90 degrees
C
less than 90 degrees
D
90 degrees
Answer: 90 degrees
#7.
A factor repeated to produce a power is?
A
Numerator
B
Square
C
root
D
Quotient
Answer: root
#8.
A polygon with ten sides is?
A
tendicagon
B
Undecagon
C
Decagon
D
Dodecagon
Answer: Decagon
#9.
A water supply system is to be installed at a
distance of 54 meters using 6 meters long PVC
pipe with a diameter of 100 mm. determine the
number of length of PVC pipe to be used?
A
540
B
9
C
90
D
12
Answer: 9
#10.
What is the number of horsepower required to
raise 25,000 lbs of water for a height of 30 meters
within 10 minutes?
A
5 hp
B
6 hp
C
7 hp
D
8 hp
Answer: 8 hp
#11.
Twenty less than four times a certain number is 4.
Determine the number
A
6
B
5
C
4
D
3
Answer: 6
#12.
What is the number of the horsepower to lift
10,000 gallons of water per hour top to a height
of 90 ft? assume the weight of water to be 8- ½
lbs per gallon
A
4.86
B
3.56
C
3.86
D
4.56
Answer: 3.86
#13.
One cubic foot of water is assumed to wight 62.5
lbs. what is the weight of one cubic inch of water?
A
0.0461
B
0.0416
C
0.0361
D
0.0316
Answer: 0.0361
#14.
Find the distance around a circle whose diameter is 8 meters.
A
/(50 \pi/)
B
/(25 \pi/)
C
/(8 \pi/)
D
/(16 \pi/)
Answer: /(8 \pi/)
#15.
Find the area of a circle whose radius is 0.82 cm.
A
2.11
B
5.58
C
0.67
D
3.14
Answer: 2.11
#16.
A man bought plumbing tools worth 2100. The
sales tax was 8%. How much did the man pay?
A
2368
B
2378
C
2278
D
2268
Answer: 2268
#17.
A drainage pipe line 1000 ft long is laid at a slope
of 2%. What is the total drop of the lower end?
A
15 ft
B
25 ft
C
20 ft
D
35 ft
Answer: 20 ft
#18.
What is the travel length of a plastic pipe 4” in
diameter if the offset angle is 11.250 and the
offset length is 60 cm.
A
2m
B
3m
C
4m
D
5m
Answer: 3m
#19.
A 150 mm diameter pipe, 50 ft long is installed
vertically. It is filled with water at atmospheric
pressure, what is the total pressure in psi at the
bottom?
A
21.66 psi
B
22.66 psi
C
23.65 psi
D
20.65 psi
Answer: 21.66 psi
#20.
What is the pressure in pounds per square inch at
the base of a 10 foot water cylinder?
A
4.63 psi
B
0.433 ps
C
4.33 psi
D
4.36 psi
Answer: 4.33 psi
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