KYLO MSTE PSTEST Flashcards
- Simplify (x-a) (x-b) (x-c) (x-d) … (x-y) (x-z)
a) x^26 - (abcd…z)^26
b) 0
c) x^26 + (abcd…z)^26
d) 1 -
B
- A father is three times as old as his twin sons. If the sum of their ages in two years will be 81, how old
is the father now?
a) 45 b) 40 c) 35 d) 30
A
- Two perpendicular chords 5 cm from the center of the circle divided the circle into four parts. If the
radius of the circle is 13 cm, compute the area of the smallest part using integration.
a) 31 cm2 b) 38 cm2 c) 32 cm2 d) 35 cm2
A
- Hemispherical bowl 2.5 m radius is filled with water to a depth of 1.8 m. A solid spherical ball 1.8m in
diameter is placed in a bowl. Find the rise of the water in the bowl.
a) 0.187 m c) 0.207 m
b) 0.245 m d) 0.166 m
D
- Groups of surveying students is measuring a certain distance; the result was tabulated as shown.
Groups Distance Trials
A 121.34 2
B 122.56 4
C 120.97 8
D 121.87 3
E 119.99 5
a)100.96 b) 120.56 c) 121.193 d)122.45
C
- From the data of traverse shown
Which of the following gives the nearest distance?
Lines Bearings Distance
1-2 S16’18’W 120.50
2-3 S13’22’E 185.42
3-4 N89’28’E 66.46
4-1
a)230m b) 243m c) 290m d) 305m
D
- In deep water this normally occurs when wave velocity L is less than seven times the wave height.
a) breaking wave c) Tsunami
b) Sea wave d) Knarly Wave
A
- An electrical firm manufactures light bulbs that have a length of life that is normally distributed
with mean equal to 800 hours and a standard deviation of 40 hours. Find the probability that a
bulb burns between 778 and 834 hours.
a) 0.08452
b) 0.07845
c) 0.09876
d) 0.05111
D
- From 6 mathematicians, 5 physicists, and 4 chemists, a committee is to be formed consisting of 4
mathematicians, 3 physicists, and 2 chemists. In how many ways can the committee be formed?
a) 900
b) 450
c) 650
d) 320
A
- Calculate the benefit/cost ratio for a highway project with the following benefits and costs. The
project life is 40 years, the interest rate is 10%, and the project’s right-of-way is worth 5 million in 40
years. Construction Cost (includes acquiring right-of-way) =20 million
Annual Maintenance = 350, 000
Repaving every 8 years = 3 million
Annual Value of lives saved = 1 million
Time savings for commercial traffic = 1.25 million Time savings for commuter and recreational traffic =
1 million
a) 1.23 b) 1.12 c) 1.33 d) 1.62
A
- From the figure shown, determine the bearing of B from O.
a) S 57.59° E c) N 22° W
b) S 67.22° E d) N 66° W
A
- A block weighting 500N is dropped from a height of 1.3m upon spring whose modulus is 20N/mm.
What velocity will the block have at the instant the spring is deformed 100mm?
a) 6.35 m/s c) 5.43 m/s
b) 4.65 m/s d) 1.85 m/s
B
- A compound curve has a common tangent 520m long. The first curve passing through the P.C. is 3-
degree curve with a central angle of 50 degrees. Find the length of the second curve if its central angle
is 35 degrees.
a) 233.25m c) 185.37m
b) 125.36m d) 662.37m
D
- Two circles tangent to a third circle internally and are tangent to each other externally. If the distances between their centers are 10cm, 7 cm and 5 cm respectively, compute the radius of the biggest circle.
a) 13 b) 9 c) 15 d) 11
D
- A divided highway goes under a number of bridges, the arch over each lane being in the form of a semi ellipse with the height equal to the width. A truck is 6 ft. wide and 12 ft. high. What is the lowest
bridge under which it can pass?
a) 12 b) 13.5 c) 12.5 d) 13
B
- A neat computer programmer wears a clean shirt every day. If he drops off his laundry and picks up the previous week’s load every Monday night, how many shirts must he own to keep him going?
a) 8 b) 7 c) 14 d) 15
D
- A simple curve is to be designed for a maximum speed of 90 kph. The coefficient of friction between the tires and the pavement is 0.40. If the superelevation is limited to 12%, determine the degree of
curvature. Use arc basis.
a) 9.34° b) 3.56° c) 2.65° d) 4.78°
A
- Compute the nominal tension which may be applied to a tape supported over two supports in order to make the tape equal to its nominal length when supported only at end points. The steel tape is 30 m long and weighs 0.84 kg when supported throughout its length under a standard pull of 2x10^6kg/cm^2 and area of 0.06 cm^2
a) 16.45 b) 17.33 c) 18.21 d) 19.06
B
- On top of a 50m hill is a camp of the Philippine Army. The general aims at 60 degrees from horizontal using a bazooka that can go 50 m/s when fired to hit a target. The general, however, neglected the air resistance in his approximation. If the wind at the top of the hill is blowing 5 m/s horizontally against the projectile, how far away from the desired target will the bazooka fall?
a) 33.17 b) 36.21 c) 42.93 d) 49.31
D
- A person buys a piece of lot for P100, 000 down payment and 10 deferred semi-annual payments of P8,000 each, starting 3 years from now. What is the present value of the investment if the rate of interest is 12% compounded semi-annually?
a) P 142, 999.08 c) P 142, 189.67
b) P 143, 104.89 d) P 143, 999.08
D
- The moon’s nearly circular orbit around Earth has a radius of about 384, 000 km. and a period of T of 27.3 days. Determine the acceleration of the moon toward the Earth.
a) 2.72X10−3 m/s² c) 3.52X10−3 m/s²
b) 9.81X10−3 m/s² d) 0 m/s²
A
- From Point A on level ground, the angle of elevation of the top D and bottom B of a flagpole situated on the top of a hill are measured 47° 54’ and 39° 45’. Find the length of the hill if the height of the
flagpole is 115.5 ft.
a) 325.36 ft. c) 349.27 ft.
b) 225.36 ft. d) 122.25 ft.
C
- A spiral easement curve has a length of 100 m with a central angle having a radius of 300 m. Determine the degree of spiral at the third quarter point.
a) 4.36° b) 1.25° c) 8.25° d) 2.86°
D
- The Bay of Fundy has the largest tidal range in the world with 38.4 ft. If the high tide in the bay isa 13.4 m, calculate the succeeding low tide.
a) 2.1 m b) 1.7 m c) 2.5 m d) 3.5 m
B
- There are 84 tons of water in pool A and 36 tons of water in pool B if the water flows from pool A
to pool B at a rate of 2 tons per min. How many minutes will the water in pool B twice that in pool A.
a) 22 b) 2 c) 20 d) None in the list
A
- A rock is thrown upward from the ground. Its height in feet above the ground after t seconds is given
by the function: f(t)=-16t²+20t. Find the number of seconds it took for the rock to reach its maximum
height.
a) 0.625 s b) 0.125 s c) 0 s d) 0.245 s
A
- A-2.5% grade is connected to a +1.0% grade by means of 180-m vertical curve. The PL. station is
100+00 and the P.I. elevation is 100 m above sea level. What is the station of the lowest point on the
vertical curve?
a) 99+910 c) 100+25.65
b) 100+90 d) 100+38.57
D