Engineering, 10.10.2019 21:30 ijohnh14
Test multiple choice questions
transhumanism will provide the most significant benefits in which of the following areas?
a health
b education
c transportation
d industrialization
what makes a tool a kind of technology?
a it is made of stone.
b it is popular throughout the region.
c itâs application solves a practical need.
d it can be used for many different tasks.
which of the following best explains why research is an important first step?
a research is important in every type of career.
b it ensures experiments focus on new information.
c scientists never want to get the same results as other scientists have.
d it is important to conduct the exact same experiment other scientists have.
which of the following explains how technology and engineering are related?
a engineering demonstrates how to properly use technology.
b technology creates social problems and engineering solves them.
c technology often incorporates the latest advances in engineering.
d technology is completely dependent on science, whereas engineering uses both science and technology.
which of the following distinguish the iron age for other periods?
a the ability to build fire
b the increase in population
c the development of smelting
d improvements in sharpening stone
a fair test has many variables.
true
false
why is it that technology designed to communicate can also make communication more difficult?
a it diminishes interpersonal skills.
b it is available in only one language.
c it requires high levels of vocabulary.
d it is often difficult to access or operate.
Answers: 1
Engineering, 04.07.2019 03:10
What precautions should you take to prevent injuries when dealing with heavy loads?
Answers: 1
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:20
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
Answers: 3
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
Answers: 3
Test multiple choice questions
transhumanism will provide the most significant benefits...
transhumanism will provide the most significant benefits...
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