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 it’s 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, 03.07.2019 14:10, cowgyrlup124
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 18:10, meganwintergirl
Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise
Answers: 3
Engineering, 04.07.2019 18:10, wirchakethan23
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i. d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
Answers: 3
Engineering, 04.07.2019 19:10, LadyHolmes67
Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false
Answers: 3
Test multiple choice questions
transhumanism will provide the most significant benefits...
transhumanism will provide the most significant benefits...
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