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WorksheetsMath Terms 5
Total questions: 111
Worksheet time: 56mins
Which of the following contains only items which are considered fixed charges?
Interest, taxes, amortization, insurance, rent
Amortization, insurance, steam, cost, painting, cleaning
Interest, taxes, replacement parts, labor for repairs
Interest, taxes, rent, power cost, oil cost
An economic study is made of the total annual cost (C) for a series of alternative investments (P) for a given project. If C is plotted as the ordinate versus P, the most desirable investment occurs when
dC/dP= 1
dC/dP=0
dC/dP=C0
C/dP=+1
Those funds that are required to make the enterprise or project a going concern
banking
accumulate amount
working capital
principal or present worth
The length of time during which the property may be operated at a profit
length of time
economic life
hysical life
life
Worth of the property as shown in the accounting records of an enterprise
fair value
Market value
use value
book value
Cost of things that are neither labor or materials
construction cost
expenses
labor cost
investment
Kind of obligation which has no condition attached
analytic
gratuitous
private
pure
Gross profit, sales less cost of goods sold, as a percentage sales is called
Efficiency
rate of return
bond
annuity
An index of short term paying ability is called
current ratio
receivable turn-over
acid test ratio
profit margin ratio
Fall after the increase reaches a certain variable amount, this is called
The process factor
The law of diminishing returns
inflation
The law of supply and demand
The length of time during which the property may be operated at a profit:
life
length of time
physical life
economic life
Form of business/company ownership
partnership
corporation
single proprietorship
a, b & c
Form of summary of assets, liabilities, and net worth
balance method
break even point
balance sheet
production
In a cantilever beam with a concentrated load at the free end, the moment is:
constant along the beam
maximum at the wall
¼ maximum halfway out on the beam
aximum at the free end
Shearing stress is also known as
Simple stress
Punching stress
Tangential stress
Normal stress
The moment produced by two equal and opposite and collinear forces is known as
Resultant
Torque
Couple
Equilibrant
Interaction between the surfaces of two closely adjacent bodies which causes them to cling together is
Friction
Cohesion
Adhesion
Viscosity
What are considered as the building blocks for engineering materials?
Atoms
Elements
Matters
Compounds
What does SAE stands for?
Society of Automotive Engineers
Society of American Engineers
Society of Architects and Engineers
Society of Alloy Engineers
What type of steel has carbon as its principal hardening agent?
Alloy steel
Galvanized steel
Stainless steel
Carbon steel
If there is only one seller and many buyers, the market situation is ________________.
Monopsony
Oligopsony
Oligopoly
Monopoly
What is the factor name of the formula (1 + i)-n ?
Uniform gradient future worth
Capital recovery
Single payment present worth
Single payment compound amount
It is a type of annuity where the first payment does not begin until some later date in the cash flow.
Ordinary annuity
Annuity due
Deferred annuity
Perpetuity
As a professional engineer originally licensed 30 years ago, you are asked to evaluate a newly developed computerized control system for a public transportation system. You may accept this project if:
you are competent in the area of modern control systems
you do not live in the jurisdiction where the transportation system is being installed
your original area of specialization was in transportation systems
you have regularly attended meetings of a professional engineering society
The length of time, usually in years, for the cumulative net annual profit to equal the initial investment
A. pay-back-period
A. Break-even point
A. Return on investment
A. receivable turn-over
A cash flow that repeats each year for n years without change in amount, its symbol is A and its factor is (F/A).
A. EAC
A. annual amount annuity
A. annuity
A. sinking fund
To be qualified to become a member of the Board of Mechanical Engineering, the minimum age is:
A. 35
45
40
32
If one end of the manometer is open to the atmosphere, it is called:
A. open manometer
A. closed manometer
A. differential manometer
A. all of these
Low-carbon steel are generally used in the “as rolled” or “as fabricated” state. What is the reason for this?
A. Their strength generally cannot be increased by heat treatment
A. Their chromium content is so low
A. Their density is so high
A. They come in many different shapes and thickness
One Btu equals 778.2 ft-lb of mechanical energy is called:
A. mechanical equivalent of heat
A. calorie
A. refrigerating effect
A. latent heat of fusion
The path of a projectile is a:
A. ellipse
A. parabola
A. part of a circle
A. hyperbola
In the design of pulley, key and shaft
A. key is made the weaker link
A. Pulley is made weaker
A. shaft is made weaker
A. All three are designed for same strength
Maximum plant capacity in which a CPM is allowed to operate, tend or maintain:
A. 200 kw
A. 300 kw
A. 500 kw
A. 100 kw
What is the name for a vector that represents the sum of two vectors?
A. moment
A. torque
A. scalar
A. resultant
Section of Republic Act No. 8495 “The Philippine Mechanical Act of 1998” is about:
A. Oath
A. Issuance of Certificates of Registration and Professional License
A. Re-examination
A. Seal of a Professional Mechanical Engineer
A concrete foundation should have steel bar reinforced place both vertically and horizontally to avoid thermal cracking. Weight or reinforcing steel bars should be at least:
A. 4% to 4% of the weight of the foundation
A. 3% to3% of the weight of the foundation
A. 6% of the weight of the foundation
A. ½% to 1% of the weight of the foundation
Ina diesel engine the duration between the time of injection and the time of ignition is called:
A. explosion period
A. period of ignition
A. delay period
A. pre-ignition period
In a conventional reciprocating compressor, the lubrication is accomplished by
A. gravity circulation system
A. forced circulating system
A. none of these
A. splash system
This has been defined as the spontaneous disintegration of atoms accomplished by emission of rays:
A. laser effect
A. radioactivity
A. oxidation
A. fission
Ductile cast iron and gray cast iron both contains 4% carbon. Ductile cast iron, however, has higher tensile strength and is considerably more ductile. Which of the following is the major difference that accounts for the superior properties of the ductile iron?
A. The gray cast iron contains flakes of graphite, whereas the ductile iron contains spheroids of graphite
A. The gray cast iron contains iron carbide whereas the ductile iron contains graphite
A. The ductile iron is tempered to give better properties
Section 8 of RA 8495 is:
A. Power and duties of the Board
A. Compensation and allowance of the board
A. Supervision of the Board
A. Annual Report
The date of RA 8495 finally passed by the Senate on _____.
A. February 3, 1998
A. June 13, 1998
A. December
A. August 12, 1998
The minimum grade of Mechanical Engineering that can handle more than 2000 kw is:
A. ME
A. CPM
A. PME
A. ME and CPM
Which of the following is not applicable t Section 15 of RA 8495?
A. He must be a citizen of the Philippines
A. He must not have been convicted by a court of law of a crime involving moral turpitude
A. He holds a degree of BSME
A. He must have two years of active practice
Power boiler is a closed vessel in which steam or other vapor is generated at a pressure of more that _____ by the direct application of heat.
A. 105 kpa
A. 20 psig
A. 15 psia
A. 15 psig
Volume becomes a stable if it is acted by a force
A. above
A. directly at the centroid
A. coincide at CG
A. below
Part of sphere separated by two parallel lines.
A. sector
A. zone
A. segment
A. sphere
A plane having a closed curve separated by a broken line.
A. sector
A. circle
A. polygon
A. segment
When t = 0 it decreases the exponential growth, gradient, diminish.
A. exponential value
A. book value
A. phantom value
A. exponential growth
Rocket is weight less in space. What is the relation of mass in earth and in space?
A. the mass is unchanged
A. the mass is change
A. the mass is increase
A. slightly changed
What happens to volume if foundation if m3/KW
A. greater on low speed engine
A. greater on medium speed than low speed
A. greatest on high speed engine
A. not affected by the speed of the engine
Uncontrollable event that cannot be foreseen by or not prevented by human.
A. typhoon
A. calamities
A. dacion empago
A. force majore
The boiling point of H2O in 0K is:
A. 0
A. 3730K
A. 4560K
A. 2730K
Is the effective annual interest rate at which an investment accrues income.
A. Rate of investment
A. Rate of capital
A. Rate of Return
A. Rate of sale
_______ = Net income/Owner’s Equity
A. Rate on investment
A. Rate of equity
A. Rate of Return
A. Rate of Sale
Is an angle more than 900 but less than 1800.
A. reflex angle
A. right angle
A. obtuse angle
A. acute angle
The numerical prefixes of 1 x 10-9 is
A. tera
A. nano
A. micro
A. exa
What is the law applied to the mass flow of fluid?
A. mass law
A. energy law
A. Law of conservation of mass
A. Mass flow equation
What is pour point?
A. it will barely flow
A. it takes time to flow
A. it will ignites
A. it will flow freely
The quality of substance is
A. Fraction of vapor over the total mass
A. Fraction of energy
A. Fraction of liquid over the total mass
A. Fraction of volume
The ratio of Maximum power demand and connected load.
A. Demand factor
A. Power factor
A. Capacity factor
A. Load factor
A compression engine is first developed in Germany in 1876
A. Gasoline engine
A. Diesel engine
A. Gasturbine engine
A. Stirling engine
What is the Article 3 of RA 8495?
A. Examination, Registration and License
A. Registration and issuance of Certificate
A. Ratings of Examination
A. Code of Ethics
All stairs, flat forms, and landings shall be of sufficient strength to sustain safely a live load of not less than 500 kg with factor of safety of _____.
A. 2
A. 3
A. 4
A. 5
What is the equivalent of 1 hp?
A. 33,000 ft-lb/min
A. 746 kw
A. 778 ft-lb/min
A. none of these
1 + tan2θ is _____.
A. csc2 θ
A. sin2 θ
A. Sec2 θ
A. cot2 θ
Receivable Turnover = ________.
A. Net Credit Sales/Average Net Receivables
A. Income/Liabilities
A. Net Credit Sales/)Average Net Receivables)
A. none of these
A solid having many faces:
A. polygon
A. polyhedron
A. apothem
A. height
Is a curve traced out by point on the rim of a wheel that rolls without slipping.
A. epicycloid
A. cycloid
A. spiral
A. trochoid
Given the general equation Ax2+Bxy+Cy2+Dx+F=0. For parabola
A. B2 – 4AC = 0
A. B2 – 4AC > 1
A. B2 – 4AC < 1
A. B2 – 4AC = 1, B=0, A=C
Measure of the velocity of fluid.
A. orifice meter
A. venture meter
A. pitot tube
A. flowmeter
Long ton is equal to
A. 2000 lbs
A. 2120 lbs
A. 2210 lbs
A. 2240 lbs
Senate Bill number of RA 8495
A. 1593
A. 1693
A. 1793
A. 1893
House Bill number of RA 8495
A. 9806
A. 9812
A. 9823
A. 9834
Date of RA 8495 approved by Senate
A. Jan. 12, 1998
A. Feb. 3, 1998
A. March 6, 1998
A. June 4, 1998
Faculty members currently teaching mechanical professional engineering subjects in universities, college, institutes or school shall be allowed to continue teaching after ____ from the approval of RA 8495.
A. 3 years
A. 4 years
A. 6 years
A. 5 years
Piping system with a working pressure of not less than ____, fired and unified pressure vessel.
60 kpa
70kpa
80 kpa
90kpa
The ratio of heat removed to work of compression
A. bypass facto
A. efficiency
A. COP
A. Current ratio
In replacement studies, the existing process or piece of equipment is known as
A. challenger
A. defender
A. factor
A. alternatives
When diesel engines shift up and down it is
A. racking
A. shaking
A. yawning
A. fitching
Steam at 2.0 Kpa is saturated at 17.50C. In what state will the steam be at 400C if the pressure is 2.0 Kpa.
A. subcooled
A. saturated
A. supersaturated
A. superheated
Water columns are usually designed for measuring small pressure. They can be used for pressure in air ducts, gas lines and the like. The pressure measuring devices are called:
A. pitot tubes
A. compound gases
A. manometers
A. pressure gages
A means of shaping hard metals and forming deep and complex shapes holes in soft metals and electro conductive materials.
A. Electrolytic deposition (ED)
A. Electro forming (EF)
A. Electro-discharge machine (EDM)
A. Electro-chemical grinding (ECG)
Whistle blowing is best described as calling public attention to:
A. unethical behavior in employees under your control
A. Your own previous employees under your control
A. unethical or illegal behavior in a government agency you are monitoring as a private individual
A. secret illegal behavior by employer
Why is competitive bidding often considered to be counterproductive?
A. Competition among different design firms is unprofessional, indignified, and unethical.
A. Competitive bidding may reduce the client's cost but will increase the design professional’s cost
A. A design professional who reduces the final cost in order to be competitive may cut down the design steps.
A. The best design is not always the least expensive.
Ethics is the best defined as:
I. a philosophical concept dealing with moral conduct
II. a set of standards establishing right and wrong actions
III. rules that describe your duty to society and to your fellow professionals
IV. guidelines that help you make decisions
A. I, II, III, IV
A. I only
A. I and III
A. II only
The velocity of a fluid in the throat of a properly designed convergent/divergent nozzle will be.
A. equal to Mach 2
A. less than or equal to Mach 1
A. greater than Mach 1
A. zero since stagnation properties hold
A general form of algebraic equation for hyperbola is:
A. Ax2+Bx+C=0
A. (x/a)2 – (y/b)2 = 1
A. (x/a)2 + (y/b)2 = 1
A. (x-h)2 + (y-k)2 = r2
Which of the following establishes ethical behavior among professionals?
A. legal contract
A. taxation regulations
A. rules of play for professional sports
A. Hippocratic oath
Sound travels fastest in:
A. air at 00F and 1 atm
A. air at 700F & 0 psi
A. air at 700F and 1 atm
A. steel at 700F
Which of the following terms is not related to ethics?
A. integrity
A. morality
A. profitability
A. honesty
Cryogenic ranges in temperature from
A. 50 to 150 0F
A. -50 to -1000F
A. -150 to -3000F
A. -250 to -4590F
A statement of truth which is admitted without proof.
A. axiom
A. theorem
A. postulate
A. corollary
Any combination of symbols and numbers related by the fundamental operation of algebra is called a/an
A. equation
A. algebraic expression
A. term
A. algebraic sum
Any equation which, because of some mathematical process, has acquired an extra root is sometimes called as
A. redundant equation
A. literal equation
A. linear equation
A. defective equation
A statement containing one or more variables and having the property that it becomes either true or false when the variables are given specific values from their domains.
A. solution
A. problem
A. open sentence
A. worded problem
An expression of two term is called
A. polynomial
A. duomial
A. binomial
A. all of these
If the absolute value of the numerator of a fraction is smaller than the denominator, it is called
A. proper fraction
improper fraction
A. decimal fraction
A. mixed fraction
In computing the length of belt, what is C in the equation.
L = 2C + π/2(D2+D1) + ((D2-D1)2/4C)
A. distance between two pulley
A. distance between the diameters of the pulley
A. the center
A. the square root of the distance
Four x the cube root of sixteen plus two x the cube root of fifty-four
A. fourteen x the cube root of two
A. Four x the cube root of two plus six cube root of 2
A. Eight cube root of two plus cube two cube root of fifty-four
A. Four cube root of sixteen plus six cube root of two
Which of the following statements is true for the equation?
8y = e-2x – 10y – 2y"
y(0) = 1 y'(0) = -3/2
A. The complete solution to the equation will be the sum of a complementary solution and a particular solution.
A. The system defined by the equation is unstable.
A. The equation may be solved by successive integrations.
A. An integrating factor must be used to solve the equation.
(Annual Net Profit) / (Capital Invested)
A. Efficiency
A. rate of return
A. Annuity
A. Bond
Type of organization where assistants to the executives are appointed to attend to staff functions.
A. line
A. line and staff
A. staff
A. corporation
Ethical behavior is invariant with respect to:
A. neither time, culture nor location
A. time
A. culture
A. location
An instrument used for measuring very high temperature
A. thermometer
A. goggle meter
A. pyrometer
A. barometer
The rate of emission of radiant energy for that body to the rate of emission for a perfect black body under the same conditions.
A. emissivity
A. reflectivity
A. absorptivity
A. transmissivity
The gas from sludge digestion tank is mainly composed of:
A. methane
A. nitrogen
A. hydrogen sulfide
A. carbon monoxide
The level of oil in an engine cylinder should be checked when the engine is
A. not running
A. running
A. during starting
A. during cranking
Two chemical elements, hydrogen and oxygen are joined together. The atomic number of hydrogen is one (1), while oxygen is eight (8). Approximately weights are given as (1) for hydrogen and sixteen (16) for oxygen. The sum of the atomic numbers of the atoms are given as ten (10) for each molecule. How many of each kind of atom are included in the molecule?
A. H2O
A. HO
A. H3O
A. H2O3
The factors to be considered in concrete mixture is:
A. water to cement ratio
A. gravel to cement ratio
A. gravel to sand ratio
A. gravel to water ratio
Given that N = (120f) / P. Solve for the frequency of the generator.
A. 120 P N
A. PN/120
A. 120/PN
A. 120P/N
