NSC Final Exam
Which of the following is not a step in the Scientific Method?
Experiment
Hypothesis
Design
Observation
Analysis
Conclusion – answer Design
The biggest difference between science and engineering is that science is more
concerned with ...
the observation, identification, description and explanation of phenomena
applying the scientific method to operate, design, process and manufacture
the practical application of scientific and mathematical principles
providing quantitative meaning to qualitative data - answera. the observation,
identification, description and explanation of phenomena
Probability is best represented by which of the following?
Fractions
Decimals
Percentages
Whole numbers - answerPercentages
The Standard Deviation is
the same as the variance
the same as the mean
a measurement of precision
a measurement of accuracy - answera measurement of precision
If it is possible to accurately measure something with a normal distribution (bell curve),
and all your errors are truly random, and you have taken enough data, then
__________ of your data should fall in a range of +/- one Standard Deviation of the
Mean.
78.2 %
34%
58.2 %
89.2 %
,68.2 % - answer68.2 %
The Median is ...
The same thing as 'average'
The adding values of a set
The mid value of an ordered distribution
The value in a distribution of numbers that occurs most often - answerThe mid value of
an ordered distribution
The Standard Deviation is
the same as the variance
the same as the mean
a measurement of precision
a measurement of accuracy - answera measurement of precision
Random error is...
The ability of a measurement to match the actual or true value
The ability of a measurement to be consistently reproduced
The result from some limitation in the method of data collection
None of the above - answerThe result from some limitation in the method of data
collection
Shear force involves ____________
side-to-side deformation
twisting
stretching
squeezing - answerside-to-side deformation
All of these are types of bridges except a
Cable-Stayed Bridge
Compression Bridge
Cantilever Bridge
Suspension Bridge - answerCompression Bridge
The actual weight of the bridge is known as the_______________
live load
transparent weight
dead weight
dead load - answerdead load
, A Suspension bridge works much like a Cable-Stayed except the cables from the beam
are connected ____________
by a cantilever
by an arch
by another beam
by the keystone
to a truss
to another cable - answerto another cable
The ________ shape of the struts or joint in a truss it to provide better performance
octa-quadrangular
none of the above
triangular
hexagonal - answertriangular
If the distance between two objects is 3 and their masses are 6 and 24 respectively,
then their mutual attraction would be proportional to ____
64G
16G
32G
4G
8G
2G - answer16G
What type of bridge is shown in the image below?
Cantilever
Truss
Suspension
Cable-stayed - answerCable-stayed
If the distance between two objects is 3 and their masses are 9 and 5 respectively, then
their mutual attraction would be proportional to ___
15G
10G
5G
40G
20G
30G - answer5G
A wave is best described as _________.
Which of the following is not a step in the Scientific Method?
Experiment
Hypothesis
Design
Observation
Analysis
Conclusion – answer Design
The biggest difference between science and engineering is that science is more
concerned with ...
the observation, identification, description and explanation of phenomena
applying the scientific method to operate, design, process and manufacture
the practical application of scientific and mathematical principles
providing quantitative meaning to qualitative data - answera. the observation,
identification, description and explanation of phenomena
Probability is best represented by which of the following?
Fractions
Decimals
Percentages
Whole numbers - answerPercentages
The Standard Deviation is
the same as the variance
the same as the mean
a measurement of precision
a measurement of accuracy - answera measurement of precision
If it is possible to accurately measure something with a normal distribution (bell curve),
and all your errors are truly random, and you have taken enough data, then
__________ of your data should fall in a range of +/- one Standard Deviation of the
Mean.
78.2 %
34%
58.2 %
89.2 %
,68.2 % - answer68.2 %
The Median is ...
The same thing as 'average'
The adding values of a set
The mid value of an ordered distribution
The value in a distribution of numbers that occurs most often - answerThe mid value of
an ordered distribution
The Standard Deviation is
the same as the variance
the same as the mean
a measurement of precision
a measurement of accuracy - answera measurement of precision
Random error is...
The ability of a measurement to match the actual or true value
The ability of a measurement to be consistently reproduced
The result from some limitation in the method of data collection
None of the above - answerThe result from some limitation in the method of data
collection
Shear force involves ____________
side-to-side deformation
twisting
stretching
squeezing - answerside-to-side deformation
All of these are types of bridges except a
Cable-Stayed Bridge
Compression Bridge
Cantilever Bridge
Suspension Bridge - answerCompression Bridge
The actual weight of the bridge is known as the_______________
live load
transparent weight
dead weight
dead load - answerdead load
, A Suspension bridge works much like a Cable-Stayed except the cables from the beam
are connected ____________
by a cantilever
by an arch
by another beam
by the keystone
to a truss
to another cable - answerto another cable
The ________ shape of the struts or joint in a truss it to provide better performance
octa-quadrangular
none of the above
triangular
hexagonal - answertriangular
If the distance between two objects is 3 and their masses are 6 and 24 respectively,
then their mutual attraction would be proportional to ____
64G
16G
32G
4G
8G
2G - answer16G
What type of bridge is shown in the image below?
Cantilever
Truss
Suspension
Cable-stayed - answerCable-stayed
If the distance between two objects is 3 and their masses are 9 and 5 respectively, then
their mutual attraction would be proportional to ___
15G
10G
5G
40G
20G
30G - answer5G
A wave is best described as _________.