ENGR 1110 Final (intro to mechanical)

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What engineer would be most likely to work on identifying and reducing the number of defective car engines built on an assembly line?

an industrial engineer

Which of the following statements about design is true?

Designs must satisfy many objectives.

What is the goal of the Nitrogen Cycle Grand Challenge?

Discover ways to augment natural denitrification.

Synthetic (human caused) conversion of nitrogen into more reactive forms now accounts for what percent of all nitrogen fixation?

50%

Which of the following do NOT describe a possible design criteria? (a) Design criteria should be specific. (b) Design criteria may include a must-have feature in the design. (c) Design criteria may include a should-have feature in the design. (d) Design criteria may include preferences. (e) Design criteria may include potential solutions.

Design criteria may include potential solutions.

Which of the following statements about design is NOT true? (a) Design is an iterative process. (b) Customer feedback is part of the design process. (c) Designs must result in tangible products. (d) Failure is an important part of the design process.

Designs must result in tangible products.

This rapid prototyping process can be used to melt titanium powder to make metal prototypes and can be up to 95% energy-efficient

E-beam melting

A prototype is needed for a hand-held toy design application. The surface roughness is not an issue and the finest features of the design have thicknesses 3 millimeters or above. The budget for prototyping is not to exceed $1500 for the ten prototypes needed. Which additive process is the most efficient for this prototyping?

FDM (fused deposition modeling)

Which of the following is NOT a good way to build teamwork? (a) Focus on personal relationships. (b) Set rules for team behavior. (c) Agree on the purpose of the team. (d) Clearly define a means of measuring team progress.

Focus on personal relationships.

Which sentence best describes someone who is motivated by performance-oriented goals?

I want to get excellent grades.

Which sentence best describes someone who is motivated by mastery-oriented goals?

I want to understand things.

This additive process doesn't need any post-modeling curing and uses ultraviolet bulbs to instantly cure and harden each deposited layer.

MJM

This rapid prototyping process uses a vat filled with photo-curable polymer that is hardened into a specific shape. It can be used with highly focused lasers that can generate features of micrometer size.

Stereolithography

Which of the following is NOT a good criterion for a new vehicle? (a) The car should be a silver color. (b) The car should be spacious. (c) The car should have at least 15 cubic feet of cargo space. (d) The car must have a backup camera.

The car should be spacious.

How do you know you have chosen the "right" career?

You are satisfied and challenged.

What type of engineer is likely to work on implantable devices, such as artificial kidneys?

a biomedical engineer

Which engineering field is primarily concerned with the planning, constructing, and operation of facilities, such as offshore oil platforms or solar panel factories?

civil engineers

What type of engineers are most likely to design products that provide communication and/or control, such as a household thermostat or robotic micro-controllers?

electrical engineers

Which of these is closest to the definition of engineering put forward by the National Academy of Engineering (NAE)?

the application of science


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