MAE-488 Exam 3 UPDATED Exam
Questions and CORRECT Answers
A static element... - CORRECT ANSWER - current output depends only on the current
input
Non causal element - CORRECT ANSWER - current output depends only on future input
a linear element is an element that obeys the superposition principle - CORRECT
ANSWER - true
a) t graph t = 0
b) t graph line from 1
c) plot with diagonal line from 0
d) half of a parabola - CORRECT ANSWER - a) impulse
b) step
c) ramp
d) parabolic
the transfer function is independent of the initial conditions and the input - CORRECT
ANSWER - true
passive elements - CORRECT ANSWER - resistors, inductors, capacitors
a circuit consists of a voltage source in series with a resistor, capacitor and inductor. how many
states are required for the state space model? - CORRECT ANSWER -2
In a DC motor, the back emf opposes the applied armature voltage - CORRECT
ANSWER - true
, the adjust the speed of an armature controlled DC motor, you adjust the - CORRECT
ANSWER - armature voltage
In a DC motor: The ... changes the direction of the armature current so that the force is always in
the same direction. The ... is a coil of wire upon which the force is applied. .... specifying the
magnitude and direction of this force. - CORRECT ANSWER - 1. commutator
2. armature
3. lorentz force law
A 5 input, 4 state and 2 output system. what is the size of the matrix - CORRECT
ANSWER - 2x5
A system with 2 inputs, 4 states, and 3 outputs is represented. A matrix:
B matrix:
C matrix:
D matrix: - CORRECT ANSWER - A: 4x4
B: 4x2
C: 3x4
D: 3x2
Consider the free response of a standard 2nd order stable system. As the imaginary part of the
pole decreases... - CORRECT ANSWER - the frequency decreases
if all of the stable poles of a system are the same direction from the origin, the poles have the
same... - CORRECT ANSWER - natural frequency
for a fixed damping ration, the natural frequency has very little effect on the settling time -
CORRECT ANSWER - false
Questions and CORRECT Answers
A static element... - CORRECT ANSWER - current output depends only on the current
input
Non causal element - CORRECT ANSWER - current output depends only on future input
a linear element is an element that obeys the superposition principle - CORRECT
ANSWER - true
a) t graph t = 0
b) t graph line from 1
c) plot with diagonal line from 0
d) half of a parabola - CORRECT ANSWER - a) impulse
b) step
c) ramp
d) parabolic
the transfer function is independent of the initial conditions and the input - CORRECT
ANSWER - true
passive elements - CORRECT ANSWER - resistors, inductors, capacitors
a circuit consists of a voltage source in series with a resistor, capacitor and inductor. how many
states are required for the state space model? - CORRECT ANSWER -2
In a DC motor, the back emf opposes the applied armature voltage - CORRECT
ANSWER - true
, the adjust the speed of an armature controlled DC motor, you adjust the - CORRECT
ANSWER - armature voltage
In a DC motor: The ... changes the direction of the armature current so that the force is always in
the same direction. The ... is a coil of wire upon which the force is applied. .... specifying the
magnitude and direction of this force. - CORRECT ANSWER - 1. commutator
2. armature
3. lorentz force law
A 5 input, 4 state and 2 output system. what is the size of the matrix - CORRECT
ANSWER - 2x5
A system with 2 inputs, 4 states, and 3 outputs is represented. A matrix:
B matrix:
C matrix:
D matrix: - CORRECT ANSWER - A: 4x4
B: 4x2
C: 3x4
D: 3x2
Consider the free response of a standard 2nd order stable system. As the imaginary part of the
pole decreases... - CORRECT ANSWER - the frequency decreases
if all of the stable poles of a system are the same direction from the origin, the poles have the
same... - CORRECT ANSWER - natural frequency
for a fixed damping ration, the natural frequency has very little effect on the settling time -
CORRECT ANSWER - false
