Approximately what percentage of engineering design projects succeed?

	A. 10 to 20
	B. 20 to 30
	C. 30 to 40
	D. 40 to 50
	E. 70 to 80

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What percentage of engineering projects normally exceed the estimated budget?

	A. 10 to 20
	B. 20 to 30
	C. 30 to 40
	D. 40 to 50
	E. 75 to 90

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A cubic centimeter of water has a mass of approximately 1 g. What is the mass of a cubic foot of water in kg?

	A. 30.5 kg
	B. 28.6 kg
	C. 28.2 kg
	D. 22.4 kg
	E. 2.24 kg

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A cubic yard is often used as a measurement for some construction materials. The mass of a cubic centimeter of water is approximately 1 g. What is the mass (lb_m) of a cubic yard of water?

	A. 1,500 lb
	B. 1,686 lb
	C. 1,868 lb
	D. 2,200 lb
	E. 2,205 lb

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Escape speed (or velocity) from the gravitational field of Earth is approximately 11.2 km/s. What is that speed in miles/min?

	A. 412 miles/min
	B. 418 miles/min
	C. 500 miles/min
	D. 528 miles/min
	E. 0.6 miles/min

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Fill in the blank. ABET is a(n) _____________ organization for engineering and technology universities and colleges.

	A. Accreditation
	B. Alumni
	C. Financial
	D. Governmental
	E. Actuarial

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For which of the following activities is training in mechanical engineering least directly useful?

	A. Research
	B. Sales
	C. Testing
	D. Design
	E. Accounting

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How many dynes does a force of 418 Newtons correspond to?

	A. 42 gigaNewtons
	B. 42 kiloNewtons
	C. 42 megaNewtons
	D. 42 milliNewtons
	E. 42 picoNewtons

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Almost 3 percent of Western males are taller than 6'2". What is that height in millimeters?

	A. 1,878 millimeters
	B. 1,879 millimeters
	C. 1,880 millimeters
	D. 1,881 millimeters
	E. 1,891 millimeters

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How many nanometers are there in one yard?

	A. 914 billion
	B. 914 thousand
	C. 914 trillion
	D. 1,024 billion
	E. 1,094 billion

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Complete the following sentence. A project charter typically involves all of the following EXCEPT:

	A. Statement of objectives or purpose.
	B. Quarterly budgets.
	C. Identification of stakeholders.
	D. Measures of project success.
	E. Suggestions for general project direction.

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Complete the following statement. Achieving a degree in mechanical engineering involves studying in all of the following areas EXCEPT:

	A. Advanced mathematics
	B. Continuum physics
	C. Materials science
	D. Political science
	E. Chemistry

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What is the median return on investment (in percentage) for successful engineering designs?

	A. 20 to 30
	B. 30 to 40
	C. 40 to 50
	D. 50 to 60
	E. 75 to 95

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What is the median payback time, in years, for successful new designs or products?

	A. 1 year
	B. 2 years
	C. 6 years
	D. 7 years
	E. 10 years

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Which of the following names are used to describe U.S. customary units?

	A. English units
	B. Metric units
	C. SI units
	D. Standard units
	E. Imperial units

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According to the NSPE Code of Ethics for Engineers, which of the following statements best describes how engineers should perform services?

	A. Engineers will perform services in a variety of disciplines.
	B. Engineers will perform services only in their areas of competence.
	C. Engineers will perform services only as entrepreneurs.
	D. Engineers will perform consultations only.
	E. Engineers will provide design work only.

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Choose the best answer to fill in the blanks. According to the NSPE Code of Ethics for Engineers, the fundamental canon of engineering is to hold paramount the public's _____________, _____________, and ______________.

	A. Safety, health, welfare
	B. Safety, finances, interests
	C. Technological needs, health, welfare
	D. Health, welfare, technological needs
	E. Safety, prosperity, knowledge

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Which of the following is best classified as a conceptual issue in an ethical argument?

	A. Dispute over the quality of steel used in a past construction project
	B. Concern as to whether certain roofing materials meet fire-retardant specifications
	C. Debate about the meaning of the word "control" in a legal sense concerning "control over construction equipment"
	D. Conflict among engineering coworkers about how to proceed once it is known that a design is faulty
	E. All of the above

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Which of the following is best classified as a factual issue?

	A. Debate about the meaning of the word "control" in a legal sense concerning "control over construction equipment"
	B. Dispute over the quality of steel used in a past construction project
	C. Concern as to whether certain roofing materials meet fire-retardant specifications
	D. Conflict among engineering coworkers about how to proceed once it is known that a design is faulty
	E. Both B and C

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Which of the following forms of engineering communication would be most appropriate for notifying coworkers of an imminent change in a manufacturing schedule?

	A. Memo
	B. Technical report
	C. Proposal
	D. Request for proposal
	E. Budget analysis

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How long does it usually take for standard patents to be granted?

	A. Between 1 and 2 years
	B. Between 2 and 3 years
	C. Between 3 and 5 years
	D. Between 8 and 10 years
	E. 17 years

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Intellectual property may be legally identified by which of the following?

	A. Patents
	B. Trademarks
	C. Copyright
	D. All of the above
	E. 2 and 3 only

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Which of the following best categorizes adherence to design specifications for materials properties in a construction project?

	A. Proper etiquette
	B. Legal compliance
	C. Moral or ethical behavior
	D. All of the above
	E. B and C only

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Which of the following is best described as a moral issue?

	A. Debate about the meaning of the word "control" in a legal sense concerning "control over construction equipment"
	B. Dispute over the quality of steel used in a past construction project
	C. Concern as to whether certain roofing materials meet fire-retardant specifications
	D. Conflict among engineering coworkers about how to proceed once it is known that a design is faulty
	E. All of the above

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The language of moral arguments is sometimes important in the ethics of engineering. Into which of the following categories do most moral theories for ethics fall?

	A. Utilitarianism and the ethics of respect for persons
	B. Religion and human rights
	C. Competitive and cooperative
	D. Moral and amoral
	E. Indigenous and imposed

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Which of the following best describes why patents are awarded?

	A. TT deter invention
	B. To provide exclusive rights
	C. To sell products
	D. To finance facilities
	E. To promote an invention

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Which of the following adequately describes "preference utilitarianism" as a moral system?

	A. It attempts to maximize total human well-being.
	B. It attempts to minimize conflict.
	C. It attempts to maximize physical satisfaction.
	D. It attempts to minimize hunger.
	E. It attempts to maximize population.

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How long does it generally take to receive a provisional patent?

	A. 1 year
	B. 2 years
	C. 6 months
	D. 12 weeks
	E. 24 hours

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Which of the following activities is typically NOT a part of prewriting a proposal?

	A. Analyzing the audience
	B. Olarifying the purpose
	C. Outlining the proposal
	D. Bormatting and proofreading
	E. Brainstorming ideas

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Which of the following actions is NOT part of the fundamental canon of the NSPE's Code of Ethics for Engineers?

	A. Avoid deceptive acts.
	B. Avoid misinterpreting facts.
	C. Guarantee all government obligations.
	D. Act for each client or employer as a faithful trustee.
	E. Act with honor and lawfulness.

.

Complete the following statement. All of the following are included in the ABET Code of Ethics, EXCEPT:

	A. Engineers shall use their knowledge and skills for human welfare.
	B. Engineers shall not compete unfairly with others.
	C. Engineers shall strive to continue their professional development.
	D. Engineers shall seek periodic accreditation with appropriate bodies.
	E. Engineers shall be objective and truthful in public statements.

.

Which type of document generally seeks the approval of anticipated expenditures required for project completion?

	A. rant proposal
	B. Client proposal
	C. Justification proposal
	D. Research proposal
	E. Request for proposal

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What best describes the fundamental data type in Scilab?

	A. Integer
	B. Complex number
	C. Matrix
	D. Character string
	E. Boolean

.

Which of the following schemes in Scilab yield the same result for y?

1. x = 4
y = x*x*x*x/x

2. x = 4
y = x**3

3. x = 4
y = x^6/x^3

4. x = 4
y = x**2/x

5. x = 4
y = x\x^4

	A. 1, 2, 3, and 5
	B. 1, 2, and 3
	C. 2, 3, and 5
	D. 4 and 5
	E. 1, 2, 3, 4, and 5

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Which of the following describes how the multiplication operator "*" differs from the multiplication operator ".*" in Scilab?

	A. "*" performs matrix multiplication, whereas ".*" performs multiplication with the transpose of the second matrix.
	B. "*" performs scalar multiplication, whereas ".*" performs matrix multiplication.
	C. "*" performs matrix multiplication, whereas ".*" performs element-by-element scalar multiplication.
	D. "*" performs scalar multiplication and ".*" performs the "dot" product.
	E. They do not differ.

.

For which of the following purposes is the "exec" function useful in Scilab?

	A. For loading scripts containing function definitions and executing scripts
	B. For superseding program control
	C. For reloading fundamental mathematical constants and functions
	D. For stopping an infinite loop
	E. For reporting values of control variables

.

Marks: 2

Which of the following pieces of Scilab code calculates n! correctly?

1. f = factorial(n)

2. j = n
f=n
while (j>= 2)
j= j-1
f= f*j
end
disp(f)

3. j = n
f=n
while (j>= 1)
j= j-1
f= f*j
end
disp(f)

4. j = n
f=n
while (j>= 0)
j= j-1
f= f*j
end
disp(f)

	A. 1
	B. 1 and 2
	C. 1 and 3
	D. 1 and 4
	E. 1, 2, 3, and 4

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Marks: 3

For the following scheme, what is the value of i when x reaches a value of 1.025 or less?

x =7.3
low = 1
for i=1:10000
x = low + (x-low)/2.8
disp(x)
end

	A. 4
	B. 6
	C. 9
	D. 12
	E. 32

.

Marks: 3

In the following scheme, for what values of i does x take on a value of 0.75 or less?

low=0.5
high = 1000.0
x = high
for i=1:100000
x = low + (x-low)/1.543
disp(i)
disp(x)
end

	A. 3
	B. 5
	C. 15
	D. 17
	E. 20

.

What is the result of the following piece of Scilab code?

j = 9
n=3
k = n\j
disp(k)

	A. 3
	B. 1
	C. 0.333333333
	D. 0
	E. j

.

What value of x1 satisfies the following linear system? (You may use Scilab.)

8 = 4x₁ + 3x₂ + 7x₃ +9x₄
7= 2x₁ + 2x₂ -5x₃ -6x₄
4 = 2x₁ + 6x₂ - 6x₃ -7x₄
0 = x₁ - x₂ -x₃ - x₄

	A. 4
	B. 2
	C. 7/5
	D. 1/5
	E. -1/5

.

What value of x2 satisfies the following linear system? (You may use Scilab).

8 = 4x₁ + 3x₂ + 4x₃ +9x₄
7= 2x₁ + 2x₂ -5x₃ -6x₄
4 = 2x₁ + 6x₂ - 6x₃ -7x₄
0 = x₁ - x₂ -x₃ - x4

	A. -317
	B. -128
	C. -64
	D. 12
	E. 749

.

What value of x₅ satisfies the following linear system? (You may use Scilab.)

8 = 4x₁ + 3x₂ + 4x₃ +9x₄ + x₅
7= 2x₁ + 2x₂ -5x₃ -6x₄ + 2x₅
4 = 2x₁ + 6x₂ - 6x₃ -7x_{4 +} 3x₅
0 = x₁ - x₂ -x₃ - x₄ + 4x₅
-500 = x₁ + x₂ + x₃ - x₄ - x₅

	A. 1,126
	B. 0.91126
	C. -1,126/1137
	D. -0.9
	E. -310,049

.

Marks: 2

Which of the following pieces of code in Scilab are functionally equivalent?

1. for i=1:7
disp(i-1,i,i+1)
end

2. for i=1:8
disp (i-2, i-1,i)
end

3. i=1
while (i<=7)
disp (i-1, i, i+1)
end

4. i=1
If (i<= 7)
disp (i-1, i, i+1)
i=i+1
end

	A. 1 and 2
	B. 1 and 3
	C. 1 and 4
	D. 1, 2, 3, and 4
	E. 3 and 4

.

Marks: 2

Which of the following pieces of code will loop exactly 3 times ?

1. for i=1:3

disp(i)

end

2. for i=2:5

disp(i)

end

3. for i = 2:4

disp(i)

end

4. for i=10:8:-1

disp(i)

end

	A. 1 and 2
	B. 2 and 3
	C. 3 and 4
	D. 1, 3, and 4
	E. 2, 3, and 4

.

Marks: 2

Which of the following best describes the list of numbers resulting from the following code?

for i=0:3.14:0.01
sn = sin(i)
cn= cos(i)
r = sn*sn + cn^2
disp(r)
end

	A. 314 ones
	B. 315 ones
	C. 314 zeroes
	D. 315 zeroes
	E. 316 ones

.

Evaluate the "eye" and the "ones" matrices in Scilab. Which of the following best describes the difference between the two?

	A. There is no difference.
	B. The "eye" matrix is the inverse of the "ones" matrix.
	C. The "eye" matrix has ones along the diagonal and the "ones" matrix is all ones.
	D. Both are identity matrices and are equivalent.
	E. None of the above

.

Which of the following is true about the operation represented by " ' " in Scilab when operating on a matrix of complex numbers?

	A. It produces the transpose of the matrix of the complex conjugates of the elements.
	B. It produces the matrix of the complex conjugates of the elements.
	C. It produces the tranpose of the matrix.
	D. It produces a matrix of real numbers.
	E. None of the above

.

Which of the following answers provides the value of x for N = 100 in the following scheme?
x = 1
for i = 1:N
x = x + 1/x
disp(x)
end

	A. 1
	B. 14.143
	C. 14.2137
	D. 14.284
	E. 14.354

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For what purpose is the "pause" statement most useful in Scilab?

	A. For stopping program evaluation for debugging purposes
	B. For Forevaluating intermediate results in a program
	C. For allowing user intervention in program execution
	D. All of the above
	E. none of the above

.

Which of the following does the "%" character indicate when it precedes a variable name in Scilab?

	A. Return 1 percent of the variable value.
	B. Return a predefined mathematical value.
	C. Return 100 times the value of the variable.
	D. Return a complex number.
	E. Return the percentage error in the computer representation of the number.

.

Marks: 3

Which of the following pieces of code plots the function f(x) = sin(x)*sin(x) + x/(x - 3.97/tan(x)) over the range [-3:3]? [Note: You may use Scilab to answer this question.]

1. function g = testfunction(x)
g = sin(x) .* sin(x) + x ./ (x -3.97 ./ tan(x) )
endfunction

xdat= linspace(-3 , 3 , 0.1);
ydat = testfunction(xdat);
plot xdat , ydat

2. function g = testfunction(x)
g = sin(x) * sin(x) + x / (x -3.97 / tan(x) )
endfunction

xdat= linspace(-3 , 3 , 0.1);
ydat = testfunction(xdat);
plot xdat , ydat

3. function g = testfunction(x)
g = sin(x) * sin(x) + x / (x -3.97 / tan(x) )
endfunction

for x= -3, 3, 0.1
xdat = x;
ydat = testfunction(xdat);
plot ydat, xdat
end

	A. 1
	B. 1 and 2
	C. 1, 2, and 3
	D. 2
	E. 3

.

Marks: 3

Plot the function f(x) = 0.03x^5 + 2 sin(x) -0.4x^3 +x^2 -10x +10 over the interval [-10, 10]. How many zeroes are there in that range? [Note: You may use Scilab to answer this question.]

	A. 0
	B. 1
	C. 2
	D. 3
	E. 4

.

Plot the function g(x) = x**3 -5/x^2+(3+x)/(5+x^2) over the interval [-10, 10].
How many zeros occur over that interval? [Note: You may use Scilab to answer this question.]

	A. 0
	B. 1
	C. 2
	D. 3
	E. 4

.

Marks: 3

In the following scheme, to what value does "co" converge for large N?

N=10,000
count=0
for i=1:N
y = rand(1,1)
x = rand(1,1)
r = sqrt(x*x+y*y)
if (r <= 1.0)
count = count +1
end
end
co = 4*count/N

	A. pi
	B. e
	C. sqrt(N)
	D. N!
	E. 1/e

.

Which of the following best describes the Scilab computing environment?

	A. A low-level machine language for numerical computations
	B. A compiled language for numerical computations
	C. A high-level interpreted language for rapid code development and numerical computations
	D. A low-level machine language for real-time instrument control
	E. All of the above

.

Which of the following functions is used for computing the greatest common divisor of polynomials in Scilab?

	A. "lcm"
	B. "gcl"
	C. "gcd"
	D. "gcm"
	E. None of the above

.

Which of the following statements best characterizes how design problems differ from other types of technological problems?

	A. Design problems involve economics.
	B. Design problems involve new inventions.
	C. Design problems are typically open ended.
	D. Design problems often employ engineering drawings.
	E. Design problems involve complex reports.

.

Which of the following activities is least important in the design process?

	A. Planning
	B. Analysis
	C. Synthesis
	D. Fundraising
	E. Technical drawing

.

Which of the following activities is NOT typically part of an engineering design project?

	A. Prototyping
	B. Patenting
	C. Modeling
	D. Testing
	E. Brainstorming

.

Which of the following is true of an isometric drawing?

	A. Horizontal lines are shown at a 30-degree angle from "paper" horizontal.
	B. Horizontal lines are shown horizontal.
	C. Horizontal lines are shown at a 45-degree angle to the vertical.
	D. Horizontal lines are shown as dashed lines.
	E. Vertical lines are not to scale.

.

Which of the following is true of an isometric drawing?

	A. All lines are drawn to scale.
	B. Only horizontal and vertical representations are shown to scale.
	C. Horizontal and vertical representations are orthogonal in the drawing.
	D. Shaded surfaces represent hidden surfaces.
	E. All of the above

.

Engineering design may be divided into the following steps.

1. Testing and Revising
2. Information Gathering
3. Problem Definition
4. Solution Generation
5. Solution Ranking and Selection

Which of the following best describes a useful and appropriate order for these steps in engineering design?

	A. 3, 2, 4, 5, 1
	B. 1, 2, 3, 4, 5
	C. 2, 4, 5, 3, 1
	D. 1, 4, 5, 3, 2
	E. 5, 4, 3, 2, 1

.

Which of the following best describes orthographic projections?

	A. Orthographic projections are views of an object as projected onto the faces of a cube enclosing the object.
	B. Orthographic projections are views of the object projected onto a sphere enclosing the object.
	C. Orthographic projections are views in which all lines are orthogonal.
	D. Orthographical projections are views in which planes are shaded.
	E. Orthographical projections are views in which horizontal lines are omitted.

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