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RA-ST-1

Total questions: 109

Worksheet time: 55mins

Name
Class
Date
1.

The differential of the shear equation is which one of the following?

a)

Bending moment of he beam

b)

Load on the beam

c)

Tensile strength of beam

d)

Slope of the elastic curve

2.

Which one of the following may be the Poisson's ratio of a material?

a)

0.45

b)

0.50

c)

0.55

d)

0.85

3.

The slenderness ratio of a column is generally defined as the ratio of unsupported length to its

a)

least radius of gyration

b)

minimum width

c)

maximum radius of gyration

d)

cross sectional area

4.

Which of the following thermodynamic cycles is the most efficient?

a)

Brayton

b)

Carnot

c)

Rankine

d)

Diesel

5.

What is negative pressure?

a)

Hydrostatic

b)

Gage pressure

c)

Absolute pressure

d)

Vacuum pressure

6.

Structural steel element subjected to torsion develop

a)

shearing stress

b)

tensile stress

c)

moment

d)

compressive stress

7.

What are the rows in the periodic table called?

a)

periods

b)

groups

c)

families

d)

transitions

8.

Poisson's ratio is the ratio of the

a)

unit stress to unit strain

b)

unilateral

deformation to unit longitudinal deformation

c)

shear strain to compressive strain

d)

elastic limit to proportional limit

9.

The vertical loaded beam, fixed at one end and simply supported at the other end is indeterminate to what degree?

a)

first

b)

second

c)

third

d)

fourth

10.

Which of the following is the basis for Bernoulli's law for fluid flow?

a)

Fourier's law

b)

the principle of conservation of energy

c)

the principle of conservation of mass

d)

the continuity equation

11.

In molecules of the same composition, what are variations of atomic arrangement known as?

a)

crystal system

b)

polymers

c)

isomers

d)

monomers

12.

The first law of thermodynamics is based on

a)

the enthalpy-entropy relationship

b)

action-reaction

c)

conservation of energy

d)

conservation of mass

13.

It is a substance which when added to reacting mixture increases the rate of reaction but remains unchanged?

a)

Catalyst

b)

Accelerators

c)

Inhibitors

d)

Neutral substance

14.

The board of electrical engineering shall be composed of how many members?

a)

1

b)

2

c)

3

d)

4

15.

What is acid test ratio which is also called Quick ratio?

a)

the ratio of current assets (exclusive of inventory) to total current liabilities

b)

the ratio of current assets to total liabilities

c)

the ratio of profit after taxes to equity

d)

the ratio of owner's equity to total current liabilities

16.

The speed by which a liquid escapes from a vessel through an orifice is given by v=2ghv=\sqrt[]{2gh}   is known as

a)

Torricelli's principle

b)

Flow equation

c)

Archimedes principle

d)

Bernoulli's theorem

17.

CPE represents which one of the following?

a)

Continuing Professional Enhancement

b)

Continuing Professional Education

c)

Continuing Program of Education

d)

Continuing Program of Examination

18.

Under a very slow deformation at high temperature, it is possible to have some plastic flow in a crystal at shear stress lower than the critical shear stress. This phenomenon is called?

a)

Bending

b)

Slip

c)

Creep

d)

Twinning

19.

The UPS represents which one of the following?

a)

Uninterrupting

Power Supply

b)

Uninterruptable Portable Supply

c)

Uninterrupted Power Supply

d)

Uninterrupting Portable Supply

20.

WESM represents which one of the following?

a)

Wholesale Energy Support Market

b)

Wholesale Electricity Support Market

c)

Wholesale Energy Spot Market

d)

Wholesale Electricity Spot Market

21.

PDC represents which of the following?

a)

Philippine Development Corporation

b)

Philippine Development Code

c)

Philippine Distribution Code

d)

Philippine Distribution Corporation

22.

EPIRA represents which of the following?

a)

Electric Power Industry Reform Act

b)

Electric Power Institute Reform Act

c)

Electric Power Information Reform Act

d)

Electric Power Industry Reform Association

23.

Which of the following elements and compounds is unstable in its pure form?

a)

Carbon Dioxide, CO2CO_2  

b)

Sodium, NaNa  

c)

Helium, HeHe  

d)

Hydrochloric Acid, HClHCl  

24.

What is the functional unit of NPC created to pursue the missionary electrification function which is abbreviated as SPUG?

a)

Small Power Utilities Group

b)

Small Power Utility Group

c)

Standard Power Utility Group

d)

System Power Utilization Group

25.

PEP represents which one of the following?

a)

Philippine Energy Project

b)

Philippine Energy Plan

c)

Philippine Electrical Plan

d)

Philippine Energy Program

26.

It is a measure of the effectiveness of an investment.

a)

Profit

b)

Rate of Return

c)

Revenue

d)

Dividends

27.

The external pressure applied to a confined fluid increases the pressure of every point in the fluid by an amount equal to external pressure which can be experienced in the brake principle is known as

a)

Pascal's Principle

b)

Bernoulli's Theorem

c)

Torricelli's Principle

d)

Archimedes principle

28.

What is annuity?

a)

An annual payment of a loan

b)

A lump sum at the end of a year

c)

A series of uniform amounts over a period of time

d)

A future worth of a present amount

29.

How many atoms in the unit cell of a body centered cubic (BCC) crystal structure?

a)

8

b)

6

c)

4

d)

2

30.

The quantity (1+i)−n\left(1+i\right)^{-n}   represents which one of the following?

a)

Present value factor

b)

Future value factor

c)

Compound amount factor

d)

Capital recovery factor

31.

The quantity (1+i)n\left(1+i\right)^n   represents which one of the following?

a)

Present value factor

b)

Future value factor

c)

Compound amount factor

d)

Capital recovery factor

32.

IEEE 802.11 is the code for global wireless standard representing

a)

wifi

b)

wimax

c)

gprs

d)

bluetooth

33.

What is the chemical formula for sulfuric acid>

a)

H SOH\ SO  

b)

H2SO2H_2SO_2  

c)

H2SO3H_2SO_3  

d)

H2SO4H_2SO_4  

34.

What is the chemical formula for calcium chloride?

a)

CaCl3CaCl_3  

b)

Ca2ClCa_2Cl  

c)

CaCl2CaCl_2  

d)

CaClCaCl  

35.

What is the other term for acid test ratio?

a)

Quick ratio

b)

The ratio of profit after taxes to equity

c)

Current ratio

d)

The ratio of all assets to total liabilities

36.

The three moment equation may be used to analyze

a)

beam loaded at the third point

b)

continuous beam

c)

a step tapered column

d)

a three element composite beam

37.

Enthalpy of an ideal gas is a function only of

a)

internal energy

b)

temperature

c)

entropy

d)

pressure

38.

Name the process that has no heat transfer

a)

Quasistatic

b)

Polytropic

c)

Isentropic

d)

Isothermal

39.

A compression ignition cycle is modelled by which ideal cycle?

a)

Diesel cycle

b)

Otto cycle

c)

Rankine cycle

d)

Brayton cycle

40.

A steam power cycle is modelled by which ideal cycle?

a)

Diesel cycle

b)

Otto cycle

c)

Rankine cycle

d)

Brayton cycle

41.

Entropy is the measure of

a)

randomness or disorder

b)

the heat capacity of the substance

c)

the internal energy of the gas

d)

the change in enthalpy of the system

42.

U+pV is a quantity called

a)

enthalpy

b)

entropy

c)

flow energy

d)

shaft work

43.

An open system First Law should be utilized for all of the following except

a)

compressor

b)

turbine

c)

nozzle

d)

piston-cylinder device

44.

Another name for backup reserve is

a)

spinning reserve

b)

power reserve

c)

cold standby reserve

d)

contingency reserve

45.

The ability to respond to a re-dispatch performed by a system operator during a trading interval or it is a generating unit that has fast start capability and can synchronized with the grid to provide its declared capacity for a minimum of 8 hrs.

a)

spinning reserve

b)

power reserve

c)

backup reserve

d)

contingency reserve

46.

PEMC represents

a)

Philippine Electrical Market Commission

b)

Philippine Electricity Market Commission

c)

Philippine Electricity Market Corporation

d)

Philippine Electricity MakersCorporation

47.

JCPC represents

a)

Joint Constitutional Power Commission

b)

Joint Constitutional Power Corporation

c)

Joint Congressional Power Corporation

d)

Joint Congressional Power Commission

48.

EPIRA is

a)

RA 9136

b)

RA 8981

c)

RA 7920

d)

RA 7638

49.

PRC Modernization Act

a)

RA 9136

b)

RA 8981

c)

RA 7920

d)

RA 7638

50.

The New Electrical Engineering law

a)

RA 9136

b)

RA 8981

c)

RA 7920

d)

RA 7638

51.

Department of Energy (DOE)

a)

RA 9136

b)

RA 8981

c)

RA 7920

d)

RA 7638

52.

Renewable Energy Law of 2008

a)

RA 9136

b)

RA 9513

c)

RA 7920

d)

RA 7638

53.

Which of the following is not taken into account in making an economic decision between two alternative equipment's?

a)

Operating cost

b)

Salvage value

c)

Reliability

d)

Rate of return

54.

The property that characterizes a material's ability to be drawn into wire is its

a)

Fatigue endurance limit

b)

Ductility

c)

Impact strength

d)

Tensile strength

55.

In an ideal refrigeration cycle, liquid leaves the condenser and is expanded in such a manner that the enthalpy of the resulting saturated mixture. This type of expansion is known as

a)

throttling process

b)

compression process

c)

isothermal process

d)

isothermal process

56.

A rigid container is heated by the sun. There is no shaft work associated with the container. From the First Law of Thermodynamics, you determine the resulting work to be

a)

equal to zero

b)

equal to the heat transfer

c)

equal to the change in internal energy

d)

equal to the volume times the change in pressure

57.

Which of the following instruments for measuring fluid velocity does not need to be calibrated?

a)

Weir

b)

Orifice meter

c)

Venturi tube

d)

Pitot static tube

58.

The deflection of beam is

a)

directly proportional to the modulus of elasticity and moment of inertia

b)

inversely proportional to the modulus of elasticity and moment of inertia

c)

inversely proportional to the modulus of elasticity and length of the beam cube

d)

inversely proportional to the weight and length

59.

A thin homogeneous metallic plate containing a hole is heated sufficiently to cause expansion. If the coefficient of surface expansion is linear, the area of the hole will

a)

stay the same

b)

increase at the same rate as the area of metal increases

c)

decrease at the same rate as the area of metal increases

d)

increase at twice the rate the area of the metal increases

60.

What is a borrower of a particular loan almost always required to do during repayment?

a)

Pay exactly the same amount of principal each payment

b)

Repay the loan over an agreed-upon amount of time

c)

Pay exactly the same amount of interest each payment

d)

None of the above

61.

What is the formula for a straight line depreciation rate?

a)

average net salvage valueestimated service life\frac{average\ net\ salvage\ value}{estimated\ service\ life}  

b)

(100%−% net salvage value)estimated service life\frac{\left(100\%-\%\ net\ salvage\ value\right)}{estimated\ service\ life}  

c)

(100% net salvage value)estimated service life\frac{\left(100\%\ net\ salvage\ value\right)}{estimated\ service\ life}  

d)

% net salvage valueestimated service life\frac{\%\ net\ salvage\ value}{estimated\ service\ life}  

62.

Which of the following is true regarding the minimum attractive rate of return used in judging proposed investments?

a)

it is frequently a policy decision made by an organization's management

b)

It is the same for every organization

c)

It is not relevant in engineering economy study

d)

It is larger than the interest rate used to discount expected cash flow from investments

63.

The purpose of copper in steel alloying is to increase

a)

hardiness and strength

b)

corrosion and resistance

c)

atmospheric corrosion resistance

d)

deoxidation

64.

What is used when high strength combined with corrosion resistance is needeed?

a)

Gold bronze

b)

Silicon bronze

c)

Silver bronze

d)

Boron bronze

65.

The purpose of sulfur in steel alloying is to

a)

reduce brittleness

b)

increase brittleness

c)

increase machinability

d)

increase hardness

66.

The most effective alloying ingredient is increasing hardness is

a)

boron

b)

silicon

c)

silver

d)

sodium

67.

What type of copper is recovered by simple process of heating highly crushed ore?

a)

Oreic copper

b)

Pure copper

c)

Native copper

d)

Crushed copper

68.

What combination of elements has high of elements has high electrical resistance, high corrosion resistance and high strength at red heat temperatures, making it useful in resistance heating

a)

Aluminum bronze

b)

Alnico

c)

Hastelloy

d)

Nichrome

69.

It is anything that occupies space and has mass.

a)

Atom

b)

Meter

c)

Water

d)

Matter

70.

The voltage of galvanic cell does not depend on which of the following parameters?

a)

Concentration of solutions

b)

Temperature

c)

Volume

d)

Pressure

71.

The case with dislocations are able to move through a crystal under stress accounts for which of the following?

a)

Hardness

b)

Ductility

c)

Lower yield strength

d)

Ductility and lower yield strength

72.

Which of the following has a bond that is the least ionic in character?

a)

NaClNaCl  

b)

CH4CH_4  

c)

H2H_2  

d)

H2OH_2O  

73.

Which of the following does not produce vacancies, interstitial defects or impurity defects in a material?

a)

Irradiation with high energy particles

b)

Slow equilibrium cooling

c)

Plastic deformation

d)

Quenching

74.

What do you add to compensate for the remaining high ion oxide content of steel?

a)

Deodizers

b)

Detoxifiers

c)

Deoxidizers

d)

Deodorizes

75.

Which of the following is standard temperature and pressure?

a)

0°C0\degree C   and one atmosphere pressure

b)

32°F32\degree F   and zero pressure

c)

0°K0\degree K   and one atmosphere pressure

d)

0°F0\degree F   and zero pressure

76.

Where do stress concentration occur?

a)

Near the points of application of concentrated loads and along the entire length of high distributed loads

b)

Near the points of application of concentrated loads, along the entire length of high distributed loads and at discontinuities

c)

Near the points of application of concentrated loads and at discontinuities

d)

Along the entire length of high distributed loads and at discontinuities

77.

What is the AISI-SAE designation for non-sulfurized carbon steel, plain carbon?

a)

10xx

b)

11xx

c)

12xx

d)

13xx

78.

Which of the following effects most of the electrical and thermal properties of materials?

a)

The weight of atoms

b)

The electrons, particularly the outermost ones

c)

The magnitude of the electrical charge of the photons

d)

The atomic weight expressed in grams per gram-atom

79.

What group of steel are molybdenum high speed steels?

a)

A

b)

D

c)

H

d)

M

80.

How is molality defined?

a)

The number of moles of solute in 1L of solution

b)

The number of moles of solute in 1000g of solvent

c)

The number of of gram equivalent weights of solute in one liter of solution

d)

The number of gram formula weights of solute per liter

81.

It is a particle which has no charge.

a)

Quarks

b)

Neutron

c)

Electron

d)

Proton

82.

The critical point for a mixture occurs for which of the following cases?

a)

The vapor phase is stable

b)

The vapor and liquid have a single form

c)

The liquid has no absorbed gas

d)

The liquid is completely vaporized

83.

Which of the following are true statements about the modulus of elasticity EE  ?

a)

It is the slope of the stress-strain diagram in the linearly elastic region

b)

It is the ratio of stress to volumetric strain

c)

It is the same as the rupture modulus

d)

It is dimentionless

84.

Low carbon steel are generally used in the "as rolled or "as fabricated" state. What is the reason for this?

a)

Their density is too high

b)

They degrade severely under heat treatment

c)

They come in may different shape and thickness

d)

Their strength generally cannot be increased by heat treatment

85.

As the amount of slip increases, additional deformation becomes more difficult and decreases until the plastic flow finally stops. Slip may begin again only if a larger stress is applied. What is the phenomenon known as?

a)

Strain hardening

b)

Crowding

c)

Cooling

d)

Twinning

86.

The mole is the basic unit of measurement in chemistry. Which of the following is not equal to or the same as one mole of the substance indicated?

a)

16g of oxygen (O2) molecules

b)

1g of hydrogen (H) atoms

c)

22.4 liters of nitrogen (N2) gas at STP

d)

6.02 x 1023 oxygen (O2) molecules

87.

How is molarity defined?

a)

The number of moles of solute in 1L of solution

b)

The number of moles of solute in 1000g of solvent

c)

The number of of gram equivalent weights of solute in one liter of solution

d)

The number of gram formula weights of solute per liter

88.

Comparing the face centered cubic lattice with the hexagonal close-packed lattice, which of the following features describes the hexagonal close-packed structure only?

a)

It has four octahedral planes

b)

The deformation properties are more directional

c)

It has closest packed lattice structure

d)

Its coordination number is 12

89.

What is the measure of lumen output per watt produced by the light source?

a)

quality factor

b)

lumen

c)

coefficient of utilization

d)

efficacy

90.

The proclamation made by President Benigno Aquino III that May is the electrical safety month is PD No. ___

a)

183

b)

184

c)

193

d)

1084

91.

It is a negotiable claim issued by a bank in lieu of term deposit.

a)

certificate of deposit

b)

bond

c)

capital gain

d)

time deposit

92.

What are the imperfections on electron microscope or refractive lenses?

a)

atomization

b)

deformation

c)

alteration

d)

aberration

93.

Which is not a source of energy?

a)

Solar cell

b)

Thermocouple

c)

Fossil fuel

d)

Photovoltaic cell

94.

Which is another term for harmonic?

a)

Loudness

b)

Resonance

c)

Overtone

d)

Pitch

95.

Luminous intensity of lamp is expressed in

a)

Lumens

b)

Watts

c)

Candela

d)

Lux

96.

The period of the pendulum depends on which of the following?

a)

Length

b)

Speed

c)

Mass

d)

Weight

97.

Which of the following can travel in vacuum?

a)

longitudinal waves

b)

light waves

c)

sound waves

d)

particle wave

98.

An instrument used to measure the intensity of light source.

a)

photometer

b)

illumination meter

c)

cygnometer

d)

candle meter

99.

An audio frequency is said to be within

a)

20 to 20,000 Hz

b)

400 to 40,000 Hz

c)

100 to 100,000 Hz

d)

none of these

100.

When a sound wave goes from air to water, what quantity remains the same?

a)

speed

b)

wavelength

c)

amplitude

d)

frequency

101.

What is the phenomenon that when a short wavelength photon hits an atom at the surface of a substance an electron is ejected?

a)

photoelectric effect

b)

Rutherford's effect

c)

Becquel's effect

d)

quantum effect

102.

The displacement of vibrating object is measured which of the following?

a)

period

b)

frequency

c)

amplitude

d)

cycle

103.

What are considered the building blocks of engineering materials?

a)

atoms

b)

elements

c)

compounds

d)

matters

104.

If the cellphone loses signal, which of the following must be done?

a)

Change the antenna of the cell site

b)

Change the cellphone unit brand

c)

Change the signal provider company

d)

Hand over to another cell site

105.

The ability of the material that allow them to be rolled without breaking?

a)

malleability

b)

elasticity

c)

ductility

d)

luster

106.

Galvanized steel is coated with

a)

coal tar

b)

varnish

c)

zinc

d)

paint

107.

Which of the following is not structural class steel?

a)

tool and die

b)

carbon

c)

stainless

d)

low-alloy

108.

For a fluid, viscosity is defined as the constant of proportionality between shear stress and what other variable?

a)

the spatial derivative of density

b)

the spatial derivative of velocity

c)

the time derivative of pressure

d)

the time derivative of density

109.

Which of the following materials is not a viscoelastic material?

a)

rubber

b)

glass

c)

plastic

d)

metal

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