with complete solutions
What are the major engineering fields? - Answer- Civil
Mechanical
Electrical
Aerospace
Structural
method would generate a three view drawing? - Answer- orthographic
The core concepts of technology are - Answer- skillfull research, ethical behavior, and
critical thinking
characteristic of effective communication? - Answer- open discussion
Who do engineering interact with? (Other technical personnels on the job) - Answer-
Engineers
Scientists
Technologists
Technicians
Craftsmen
What important milestones have occurred during the progression of the engineering
field? - Answer- Henry Fords assembly line
Wright brothers first flight
Thomas Edison's light bulb
Robert Goddars' liquid fuel rockets
What are the important principles of the problem solving process? - Answer-
identification of a need, problem definition, researching, constraint, criteria, alternative
solutions, analysis
What are the steps in the design process? - Answer- Identify the need, research and
gathering info, develop solution (alternative solutions), choose a solution (analysis),
construct a prototype, test and evaluate
How to analyze solution/ identifying strengths and weaknesses? - Answer- Efficiency
Cost
Safety
Functionality
Availability of materials
Durability
, How to develop details of a solution? - Answer- Scale model
Inventor (dynamic simulation)
Orthographic Isometric drawing
Techno CNC + 3D printing
How to develop, test, and redesign prototypes? - Answer- Test for safety and durability
Test for efficiency
How to explain components of set up, machining, casting, molding, welding, and
finishing? - Answer- Turning- lathe
Milling- makes square objects
Casting- turns liquid into mold
Welding- arc, spot, gas (oxyacetylene)
Undercutting- welding reduce cross sectional strength
Finishing- painting
How to identify and use common hand tools - Answer- Straight edge- ruler
VIC (vernier caliper)- measures inside/outside distanxes
How to identify and properly use fasteners? - Answer- Machine srews- hex nuts
Wood screws- course thread/pointy
Sheet metal- pointed heads, sharp fine threads
Thread Rotation= UNC 1/4(diameter)-20(thread per inch)-2(thread length)-2A(type of
thread)
How to estimate and measure the size of objects using SI and US units? - Answer- 1
inch = 2.54 cm
100 ft = 28.3 L
1 gal water = 7-8 lbs
How to explain the role and quality control in manufacturing? - Answer- -Controls the
quality
-bSigma- stands for manufacturing for standardization
-International organizations
-Manufacturing tolerance
How to measure with percussion to olds and instruments? - Answer- 7.00 sleeve(0.5)
0.25 thimble
What role does quality control plays in assembly and fabrication? - Answer- -Improves
quality and reputation
-Reducing execution time
-Lower costs
What are the roles of supplying and outsourcing? - Answer- -Reordering levels are set
-No over stocking