問題一覧
1
What annuity over a ten year period at %8 interest is MOST nearly equivalent to a present worth of P900?
14.90
2
Which of the following elements and components is is reactive in its pure form?
Na
3
Which of the following formula is CORRECT for temperature conversion?
Tf=9/5Tc+32
4
What refers to the establishing interrelationships between people and things in such away that human and materials resources are effectively focused toward achieving the goal of the company?
organizing
5
Who is the present chairman of the Board of Electrical Engineering?
Francis mapile
6
Which of the following refers to the parallel axis theorem for second moment of area for strength of materials?
Steiner's theorem
7
The mathematical expression (1 + i) raised to n in Engineering Economies is referred to as the
compound amount factor
8
What is the standardized communication technique for expressing instructions to computer?
programming language
9
What is another term for modulus of rigidity?
Shear modulus
10
An adiabatic process is characterized by which of the following?
The heat transfer is zero.
11
What is the potential difference between plates of a 40 micro f capacitor whose charge is 70 microC?
1.75 V
12
Branch circuit conductors supplying a single motor shal have an ampacity of how many percent of its rated full-load current?
125%
13
A lamp placed 60 cm from a lens forms an image on a screen 30 cm away from the lens on the side opposite the lamp. What is the focal length of the lens?
20 cm
14
An economy si experiencing inflation at the rate of %6 per year. An item presently costs P9,000. If the %6 inflation rate continues, what will be the price of this item in five years
P 1,338.23
15
The PEC Part 1 2017 Edition si intended as a design specification or an instruction manual to qualified person. I. True Il. False
I only
16
An open system first law should be utilized for al the following except.
a piston-cylinder device with no inlet/exhaust valves
17
What is the classification of a turbine if the water moves along the vanes toward the axis of rotation of the runner?
Radial flow
18
What refers to the point in which bending moment changes sign through a zero value in strength of materials?
Point of contraflexure
19
What is the metal used t o recover copper from a solution of copper sulphate?
Fe
20
A* friend suffering from the flu has a fever and her body temperature is 101.5oF. What her temperature in °C?
38.6°C
21
Which one of these statements is true for twinning?
It frequently occurs in hexagonal close-packed structures.
22
"How tall does a wall mirror have to be in order for you to see all of yourself in the mirror? Imagine you stand a distance "d" from the mirror and your height is "h" and L is the length of mirror required.
L = 1/2 h
23
The shape of the bending moment diagram over the length of beam having no external load is always
linear
24
The clearance between conductors and roof where the service conductors are passing over roofs must be mm.
2500
25
Which of the following portion of hard disk space served as RAM?
virtual memory
26
The amount of property in which a willing buyer wil pay to a willing seller for the property when neither one is under the compulsion to buy nor to sell is called value.
Market
27
If you are appointed as a division manager, which of the following task is MOST likely you will do?
set goals
28
"an external pressure exerted on a fluid is transmitted uniformly throughout the volume of the fluid". This statement is known as
Pascal's principle
29
Which of the following Republie Act that provide framework for the restructuring of the electric power industry including the privatization of the assets of NPC, the transition t o the desired competitive structure?
9136
30
* 1.2 uf capacitor is charged 3KV. What is the energy stored in the capacitor?
5.4 J
31
Which of the following best defined the phrase "likely to become energized"?
Failure of insulation
32
In house wiring, ground conductors must not be
fused
33
What refers to ions that are NOT involved in the overall reactions?
Spectator ions
34
Which of the following materials has the least modulus of elasticity?
Glass
35
Which of the following is/are the disadvantages/s of operating an ungrounded electrical system? I. Transient overvoltages cannot be controlled. II. Power system overvoltages are not controlled. III. Destructive arcing burndowns can occur on a second fault
I , II , III
36
Which of the following is a correct IF statement?
IF (I.GE.5) GO TO 7
37
person invests P450 to be collected in &years. Given that the interest rate on the investment is 94.5% compounded annually, most nearly, what sum will be collected 8 years from now?
P 1 , 3 3 0
38
The Chairman and members of the Board of Electrical Engineering are appointed by.
President of the Philippines
39
What is a coal that has been previously burned in an oxygen-poor environment?
Coke
40
At what annual interest rate is P500 one year ago equivalent to P600 today?
20%
41
Which of the following would be identified with a control volume?
Filling a tire with air at a service station
42
A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s square. Find the time for the feather to fall to the surface of the moon.
1.29 s
43
Ideal fluid has:
no surface tension, no viscosity and no compressibility
44
What is the other term for storing data in a memory?
writing
45
What can you say about the following statement regarding centrifugal pumps? "The discharge of the centrifugal pumps can be throttled we doubt the building app of an excessive pressure or overloading it’s driving unit I. True II . False
1
46
Based on Section 18 of the RA. 7920, the minimum age requirement for qualifications of applicants for Registered Master Electricians Examination is at least years of age.
eighteen
47
A description of the arrangements of atoms or ions in a material is called
structure
48
Which of the following is qualified as the chairman Of the continuing professional development council For Electrical Engineering
PREE board member
49
a young Electrical engineer borrowed money p at 12% interest and paid 2000 per annum for the last four years what does he have to pay at the end of fifth year in order to pay off his loan
6922.93
50
An interest rate of 10% compounded semiannually Is equivalent to how many percent Compounded quarterly
9.878%
51
The Central Processing Unit of computer is a combination of
arithmetic logic and control unit
52
Which of the following statement/s about sound is/are true? I. All sounds are produced by the vibration of bodies. Il. Sound cannot fravel through a vacuum. III. Sound can be transmitted through some material.
I, II, and lIl
53
What is the MAXIMUM distance from the flooring to the receptacle outlet in dwelling unit in mm?
1800
54
A new engine design incorporates a piston that contains 0.60 kg of steel (specific heat =470J/kg*K) and 1.20 kg of aluminium (specific heat = 990 J/kg*K). How much heat is required to raise the piston from an initial temperature of 20 degree Cto its operating temperatures of 160 degree C?
192.36 kJ
55
A volume of 450 cu. cm of air is measured at a pressure of 740 mmHg absolute and a temperature of 20oC. What is the volume in cu. cm at 760 mmHg absolute and 0oC?
408.25
56
The position of a vertical piston-cylinder device containing a gas has a mass of 60 kg and a cross-sectional area of 0.04 sq m. The local atmospheric pressure is 0.97 bar, and the gravitational acceleration is 9.81 m/sec^2. Determine the pressure in bar inside the cylinder.
1.12
57
What does R.A. 9136 stand for?
Electric Power Industry Reform Act of 2009
58
Three capacitors C, =2 uF, C, =3 uF and C, =5 uF are connected as C, inseries to C, and C, and Cy are in parallel to Cz. What is the equivalent capacitance of this arrangement in uf?
6.2
59
Materials in this group are composed of one or more metallic elements such as iron, aluminum, copper, titanium, gold, and nickel. What is this group called?
metals
60
Where receptacles are connected to a 30-A branch circuit, the maximum allowable cord and plug connected load shall NOT be more than
24
61
* technician has installed a new video card and the computer wil now only boot into VGA mode. Which of the following may be the cause of the problem?
The incorrect drivers are installed.
62
What will P9,000 be worth after three years if it earns at the rate of 5% compounded annually?
Р1,157.63
63
Section 23 of Article Il of RA 7920 - Issuance of Certification of Registration. The professional is required to renew license every year/s upon payment of registration fee.
three
64
When installing the heatsink back into a computer after replacing a failed processor, which of the following must be doneduringinstallation?
Thermal compound must be installed between the processor and the heatsink.
65
If you lie on the bottom of a swimming pool and look up, you can see the entire outside world by looking up from the vertex of a cone of half angle. For water, n=133 index of refraction. W what is the angle?
41.2
66
The vnit of joule can be converted to which of the following?
Pa*m^3
67
A* piston cylinder 3 kgs of air 20°C and 300 kPa. It is now heated up in a constant pressure process to 600k. Find the work intheprocess, in kJ when R=0.287.
264
68
Find the rate of conduction heat transfer in W/m^2 through a 9.5 cm thick hardwood board, k=0.16 w/m-k, with a temp difference between the two sides of 20 degrees
213
69
A" typical jet fighter plane launched from an aircraft carrier reaches a take-off speed of 175 milh in a launch distance of 390 ft. How long in seconds does it take to launch the fighter?
2.4
70
A student borrows 43000 from his uncle in order to finish school. His uncle agrees to charge him simple interest at the rate of 5 1/2% per year. Suppose the student waits two years and then repays the entire loan. How much will he have to repay?
$3330
71
A student deposits, 1000 in a savings account that pays interest At the rate of 6% per year Compounded annually If all the money is allowed To accumulate how much will the student have after 12 years?
2012.20
72
A student who wil inherit 5000 ni three years has a savings account that pays 5 1/2% per year, compounded annually. What is the present worth of the student's inheritance?
4258.07
73
An economy is experiencing inflation at the rate of 6% per year. An item presently costs $100. If the 6% inflation rate continues, what will be the price of this item in five years?
133.82
74
An economy is experiencing inflation at an annual rate of 6%. If this continues, what wil 100 be worth five years from now, in terms of today's dollars?
74.73
75
An engineer has received $10,000 from his employer for a patent disclosure. He has decided to invest the money in a 15-year savings certificate that pays 8% per year, compounded annually. What will be the final value of his investment, in terms of today's dollars, if inflation continues at the rate of 6% per year?
$13 242.69
76
An engineer has received 490 000 from his employer for a patent disclosure. He has decided to invest the money in a 15-year savings certificate that pays 8% per year, compounded annually. Suppose the engineer is in the 32% tax bracket, and is likely to remain there throughout the lifetime of the certificate. If inflation continues at the rate of 6% per year, what wil be the value of his investment, ni terms of today's dollars, when the certificate matures?
$9236
77
Engineering thermodynamies does not include
utilization of energy
78
Which of the following would be identified with a control volume?
Filling a tire with air at a service station
79
Which of the following is not an acceptable Sl unit?
Density measured in grams per cubie centimeter
80
In thermodynamics our attention is focus on which form of energy
Internal Energy
81
The point that connects the saturated liquid line to the saturated vapor line is called the:
critical point
82
Which work mode is a non-equilibrium work mode?
Energizing an electrical resistor
83
Which of the following does not transfer work to or from a system?
A membrane that bursts
84
Which of the following statements about work for a quasiequilibrium process is incorreet?
Work is the area under a P-T diagram
85
Convection heat transfer involves both:
conduction and advection
86
Radiation is emitted by:
all material at a finite temperature
87
Select a correct statement of the first law if kinetic and potential energy changes are negligible.
Net heat transfer equals net work for a cycle.
88
Select the incorrect statement of the first law if kinetic and potential energy changes are negligible.
Heat transfer equals internal energy change for aprocess.
89
Air undergoes a three-process cycle with a P=const. process, a T =const. process, and a V=const. process. Select the correet statement for a piston-cylinder arrangement.
W=O for the V=const. process
90
A key concept in analyzing the filling of an evacuated tank is:
The enthalpy across a valve remains constant.
91
Which of the following can be assumed to be reversible?
A piston compressing gas in a race engine.
92
An inventor claims that a thermal engine, operating between ocean layers at 270C and 10°C, produces 10 kW of power while discharging 9900 kJ/min. This engine is:
impossible
93
A Carnot cyele is a cycle of special interest because.
It provides the maximum efficieney for any cycle.
94
Which of the following second-law statements is incorrect?
If ice is melted in water in an insulated container, the net entropy decreases.
95
Which of the following statements is not true of the diesel cycle?
The combustion Process is a constant-volume process.
96
The engines on a commercial jet aircraft operate on which of the basic cycles?
Brayton
97
The exhaust process in the Otto and diesel cycles is replaced with a constant-volume process for what primary reason?
To simulate zero work of the actual exhaust process.
98
The exhaust process in the Otto and diesel cycles is replaced with a constant-volume process for what primary reason? A. B. C.
To simulate zero work of the actual exhaust process.
99
The Rankine power cycle is idealized. Which of the following is not one of the idealizations?
Heat transfer does not occur across a finite temperature difference.
100
The component of the Rankine eyele that leads to relatively low eyele efficieney is:
The condenser