This course will serve as your introduction to working in an engineering laboratory. You will learn to gather, analyze, interpret, and explain physical measurements for simple engineering systems in which only a few factors need be considered. This experience will be crucial to your success in analyzing more complicated systems in subsequent coursework and in the practice of mechanical engineering.

We frequently encounter measurement systems in our everyday lives.

Consider the following examples:

1. The many gauges found on the control panel of a motor vehicle indicate vehicle speed, engine coolant temperature, transmission setting, cabin temperature, engine speed, and oil pressureamongst many other measurements.

2. A routine visit to a physician often entails several measurements of varying complexityinternal temperature, blood pressure, internal appearance, heart rate, respiration rate, and tissue texture, amongst many, many more.

3. The experienced cook may use several measurements to successfully cook until donefor example, he or she might measure internal temperature, external coloration, external temperature and exposure time, internal coloration, aroma, and texture.

Quiz PDF eBook: 
Measurement & Experimentation Laboratory ME30
Download Measurement Lab. MCQ Quiz PDF eBook
45 Pages
2014
English US
Educational Materials



Sample Questions from the Measurement & Experimentation Laboratory ME301 Quiz

Question: AC amplitude may be measured by_________

Choices:

Frequency

Period

Frequency and period

Duration

Peak-to-peak, RMS, or average amplitude

Question: A filter is an AC circuit that separates signals based upon ______

Choices:

Amplitude

Voltage

Frequency

Time

Duration

Question: A power gain of 30 dB corresponds to a factor of _______

Choices:

10

30

100

1000

3000

Question: A current source __________

Choices:

Can supply an infinite current upon demand.

Supplies a constant current regardless of voltage within practical limits

Is the source in use at the present

Can supply AC or DC upon demand

Supplies current varying linearly with the output voltage

Question: A signal (in the context of this course) is______

Choices:

An indication to start or stop an activity

An unexpected event

An electrical current

A detectable quantity used to communicate information

None except this

Question: A digital signal __________

Choices:

Is represented by numbers ranging from 1 to 10

Corresponds to the output of digital-to-analog converter

Is represented by 10 bits of data

Takes on discrete values over a range

None of the above

Question: Aliasing in signal digitization occurs when________

Choices:

A signal is digitized too rapidly

A signal is not digitized rapidly enough

A signal is not digitized with enough amplitude resolution

A connection is mislabeled

All including this

Question: A 6dB attenuator and a 50dB attenuator in series provide a total attenuation of

Choices:

300dB

56dB

5.4dB

50dB

None except this

Question: Alternating current ________

Choices:

Oscillates at 60 Hz

Changes amplitude with time

Is always positive

Decays with time

None except this

Question: A simple way to filter out low frequencies is to place _______

Choices:

An inductor in series with the load

A capacitor in parallel with the load

A capacitor in series with the load

A rapid switch in series with the load

None except this

Question: A 12 bit ADC may have _____ unique output conditions.

Choices:

2[sup]11[/sup]

2[sup]10[/sup]

12[sup]2[/sup]

12[sup]10[/sup]

2[sup]12[/sup]

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Source:  Dr. Steve Gibbs. Measurement & Experimentation Laboratory. The Saylor Academy 2014, http://www.saylor.org/courses/me301/
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