Approximately what percentage of engineering design projects succeed?

Choose one answer.

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

Question 2

What percentage of engineering projects normally exceed the estimated budget?

Choose one answer.

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

Question 3

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

Choose one answer.

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

Question 4

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?

Choose one answer.

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

Question 5

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

Choose one answer.

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

Question 6

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

Choose one answer.

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

Question 7

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

Choose one answer.

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

Question 8

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

Choose one answer.

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

Question 9

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

Choose one answer.

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

Question 10

How many nanometers are there in one yard?

Choose one answer.

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

Question 11

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

Choose one answer.

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

Question 12

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

Choose one answer.

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

Question 13

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

Choose one answer.

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

Question 14

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

Choose one answer.

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

Question 15

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

Choose one answer.

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

Question 16

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

Choose one answer.

	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.

Question 17

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 ______________.

Choose one answer.

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

Question 18

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

Choose one answer.

	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

Question 19

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

Choose one answer.

	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

Question 20

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

Choose one answer.

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

Question 21

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

Choose one answer.

	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

Question 22

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

Choose one answer.

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

Question 23

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

Choose one answer.

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

Question 24

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

Choose one answer.

	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

Question 25

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?

Choose one answer.

	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

Question 26

Which of the following best describes why patents are awarded?

Choose one answer.

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

Question 27

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

Choose one answer.

	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.

Question 28

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

Choose one answer.

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

Question 29

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

Choose one answer.

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

Question 30

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

Choose one answer.

	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.

Question 31

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

Choose one answer.

	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.

Question 32

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

Choose one answer.

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

Question 33

What best describes the fundamental data type in Scilab?

Choose one answer.

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

Question 34

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

Choose one answer.

	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

Question 35

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

Choose one answer.

	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.

Question 36

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

Choose one answer.

	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

Question 37

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)

Choose one answer.

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

Question 38

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

Choose one answer.

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

Question 39

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

Choose one answer.

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

Question 40

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

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

Choose one answer.

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

Question 41

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

Choose one answer.

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

Question 42

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

Choose one answer.

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

Question 43

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

Choose one answer.

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

Question 44

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

Choose one answer.

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

Question 45

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

Choose one answer.

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

Question 46

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

Choose one answer.

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

Question 47

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

Choose one answer.

	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

Question 48

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

Choose one answer.

	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

Question 49

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

Choose one answer.

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

Question 50

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

Choose one answer.

	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

Question 51

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

Choose one answer.

	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.

Question 52

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

Choose one answer.

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

Question 53

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.]

Choose one answer.

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

Question 54

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.]

Choose one answer.

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

Question 55

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

Choose one answer.

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

Question 56

Which of the following best describes the Scilab computing environment?

Choose one answer.

	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

Question 57

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

Choose one answer.

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

Question 58

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

Choose one answer.

	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.

Question 59

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

Choose one answer.

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

Question 60

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

Choose one answer.

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

Question 61

Which of the following is true of an isometric drawing?

Choose one answer.

	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.

Question 62

Which of the following is true of an isometric drawing?

Choose one answer.

	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

Question 63

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?

Choose one answer.

	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

Question 64

Which of the following best describes orthographic projections?

Choose one answer.

	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.

	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.