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Summary FE Electrical Exam review 2024
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FE Electrical Exam review 2024
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FE Electrical Exam review 2024define Enthalpy - total energy of a system
Which of the following is true of the electric field intensity about an isolated point
charge?
A. It varies directly as the distance to the charge.
B. It varies inversely as the distance to the charge.
C. It varies directly as the square of the distance to the charge.
D. It varies inversely as the square of the distance to the charge. - D. It varies
inversely as the square of the distance to the charge.
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:
A. you are competent in the area of modern control systems
B. you do not live in the jurisdiction where the transportation system is being
installed
C. your original area of specialization was in transportation systems
D. you have regularly attended meetings of a professional engineering society - A.
you are competent in the area of modern control systems
The SI system uses (1) for mass and (2) for weight (force). - 1) Kilograms
,FE Electrical Exam review 2024
2) Newtons
Mass is a constant property of an object where (1) varies with gravitational field. -
1) weight
What is a metric ton? - A metric ton also known as a tonne, is 1000 kg
What is a kip? - The abbreviation "kip" is used for "kilo-pound": 1000 pounds of
force
What basic SI unit is equal to kg*m^2/s^2 - Kinetic energy is calculated in SI units
as (1/2)mv^2, with units of the joule
Which of the following is false for an identity matrix, I?
(a) I is a square matrix
(b) All entries in I are zero, except the entries whose row and column numbers are
equal
(c) all nonzero entries are equal to 1.
(d) AI=A^-1 - The main property of an identity matrix is that AI=A. Therefore,
choice (d) is false
,FE Electrical Exam review 2024
Which of the following statements is true for a power series with the general term
aix^i?
I. An infinite power series converges to for x<1
II. Power series can be added together or subtracted within their interval of
convergence.
III. Power series can be integrated within their interval of convergence
(a) I only
(b) II only
(c) I and II
(d) II and III - Power series can be added together, subtracted from each other,
differentiated, and integrated within their interval of convergence. The interval of
convergence is -1 < x <1. Therefore the answer is D
What is a matrix? - A matrix is an ordered set of entries arranged rectangularly
and set off by brackets.A matrix itself has no particular value, it is merely a
convenient method of representing a set of numbers.
When can you multiple two matrices together? - A matrix can be multiplied by
another matrix, but only if the left-handed matrix has the same number of
columns as the right-hand matrix has rows.
, FE Electrical Exam review 2024
True or False: Addition and subtraction of two matrices are possible only if both
matrices have the same size and shape? - True
What is an identity matrix? - The identity matrix is a diagonal matrix, meaning that
it is a square matrix with all zero entries except for the aij entries, for which i=j. All
nonzero entries are equal to one, and the matrix has the property that AI=IA=A
The product of a Matrix A and its inverse, A^-1 , is the (1) - 1) identity matrix
A (1) has only magnitude. Mass, enthalpy, density, and speed are examples of this.
- 1) scalar
Force, momentum, displacement, and velocity are examples are (1). A (1) has a
specific direction and magnitude. - 1) vectors
What is t-test (based on student's t-distribution) useful for?
(a) testing for distribution of outcomes to see if they come from a normal
distribution
(b) determining if the functional is symmetric about zero
(c) comparing values about the mean
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