Latest Mechanical Engineering topics

Topic	Replies	Views	Activity
Describe the failure theories for brittle and ductile materials Materials Science	0	1530	August 10, 2021
How would you design an automated sticker peeler? Mechanical Design	0	1363	August 10, 2021
Draw a commuter bike-label every single part on it. Explain what it’s job is and why it is designed that way Mechanical Design general , spinlaunch	0	1383	August 6, 2020
iPhone Home Button: How would you design the mechanism of the home button? Mechanical Design apple	0	2555	April 17, 2022
If you were asked to design an electric toothbrush, a mining truck, and a satellite to be launched in to space, what considerations would you have for each? Mechanical Design	0	1134	January 24, 2023
How would you use calibrated dowels in the design/machining/inspection process? Manufacturing & Consumer Product Design	0	1200	May 21, 2021
What type of tests would you conduct on a solid state drive? Mechanical Design zoox , mechanical-testing	0	1313	January 4, 2021
If you only use you hot tub during the weekend, is it more efficient to leave it on all the time or turn it on only for the weekend? Heat Transfer synapse , heat-transfer	0	1614	October 3, 2020
What techniques are used to mitigate rotational vibration on a hard disk? Mechanical Design facebook	0	1957	August 8, 2020
Your device has a stylus. How do you store it? How do you charge it? What kind of things can you use it for? Mechanical Design microsoft	0	1096	August 8, 2020
Explain the types of tests you would conduct on an Oculus Rift Mechanical Design facebook , square	0	1550	September 2, 2020
You have a mass of 1 kg that you want to drive to the end of a 1 m long horizontal rail in 10 seconds. Determine the minimum power requirement for a linear actuator Free Body Diagrams carbon	0	1143	August 2, 2023
For a screwed connection, what condition will the bolt experience no shear load? Manufacturing & Consumer Product Design carbon	0	1339	August 2, 2023
What are the following GD&T symbols, and what tolerance & surface does it control? Manufacturing & Consumer Product Design flexiv	0	1546	August 2, 2023
Describe how you would design a mounting for a resistor? Mechanical Design	0	1060	January 24, 2023
There is a car with a spring attached to it and a wall. Spring is extended and then released. What does the time-varying response look like? Free Body Diagrams	0	1157	August 7, 2020
How do you test for waterproofing on consumer electronic products (smart phone, tablet, etc)? Mechanical Design apple	3	3375	August 28, 2023
A car on a hill of constant slope accelerates from rest under gravity to a point on the hill. If you want to maximize the velocity of the car at this point, where along the length of the car (e.g. downhill or uphill) would you fix an additional mass? Free Body Diagrams apple	2	8784	July 24, 2023
Rank the strength of the following materials from strongest to weakest: carbon fiber, plastic, steel, aluminum Materials Science apple , materials	4	16264	June 25, 2023
What are seven ways to bond plastic and metal? Mechanical Design	2	4218	June 15, 2023
If you have an 'I' cross section cantilever beam and you want to make it stiffer, do you increase the height or width? Cantilever Beams cover	3	15570	June 14, 2023
5% failure at reliability test, how to solve? Reliability & Mechanical Test apple	1	2579	June 13, 2023
Two cars are at the top of a hill. One car is just a simple wheel axle car (not power), one car has a spring suspension system. Which one will reach first? Free Body Diagrams spacex	3	4487	June 3, 2023
How would you measure repeatability of an arm that needs to swing exactly 180 degrees (with a sensor mounted on the end?) Reliability & Mechanical Test	1	1781	April 26, 2023
What are common grades of stainless steel used in manufacturing? Materials Science general , waymo	1	2956	July 27, 2020
Describe/draw the stress-strain curve between aluminum, steel, hardened steel, & plastics on the same graph Materials Science apple , general , materials Can you draw a Stress-Strain diagram with: aluminum, steel, hardened steel, plastics/ceremics? Any idea on which material to select with better performance in beam problem compared to aluminum?	2	10682	February 24, 2023
What are the factors that influence the spring constant? Free Body Diagrams	1	10777	August 3, 2021
Describe/draw the stress-strain curve of aluminum vs. steel on the same graph Materials Science apple , materials Hint: How do aluminum and steel differ in yield strength and ultimate tensile strength?	4	56398	February 5, 2023
For a simply supported beam, which beam would have less deflection: a single stacked or double stacked beam? Cantilever Beams	3	2617	January 30, 2023
A flagpole is mounted to the ground and an eagle is sitting on top with wind causing the pole to sway back and forth. Describe ways to reduce the amount of motion in the flagpole Cantilever Beams general , aurishealth	1	10602	July 29, 2020

Describe the failure theories for brittle and ductile materials

Materials Science

0

1530

August 10, 2021

How would you design an automated sticker peeler?

Mechanical Design

0

1363

August 10, 2021

Draw a commuter bike-label every single part on it. Explain what it’s job is and why it is designed that way

Mechanical Design

general , spinlaunch

0

1383

August 6, 2020

iPhone Home Button: How would you design the mechanism of the home button?

Mechanical Design

apple

0

2555

April 17, 2022

If you were asked to design an electric toothbrush, a mining truck, and a satellite to be launched in to space, what considerations would you have for each?

Mechanical Design

0

1134

January 24, 2023

How would you use calibrated dowels in the design/machining/inspection process?

Manufacturing & Consumer Product Design

0

1200

May 21, 2021

What type of tests would you conduct on a solid state drive?

Mechanical Design

zoox , mechanical-testing

0

1313

January 4, 2021

If you only use you hot tub during the weekend, is it more efficient to leave it on all the time or turn it on only for the weekend?

Heat Transfer

synapse , heat-transfer

0

1614

October 3, 2020

What techniques are used to mitigate rotational vibration on a hard disk?

Mechanical Design

facebook

0

1957

August 8, 2020

Your device has a stylus. How do you store it? How do you charge it? What kind of things can you use it for?

Mechanical Design

microsoft

0

1096

August 8, 2020

Explain the types of tests you would conduct on an Oculus Rift

Mechanical Design

facebook , square

0

1550

September 2, 2020

You have a mass of 1 kg that you want to drive to the end of a 1 m long horizontal rail in 10 seconds. Determine the minimum power requirement for a linear actuator

Free Body Diagrams

carbon

0

1143

August 2, 2023

For a screwed connection, what condition will the bolt experience no shear load?

Manufacturing & Consumer Product Design

carbon

0

1339

August 2, 2023

What are the following GD&T symbols, and what tolerance & surface does it control?

Manufacturing & Consumer Product Design

flexiv

0

1546

August 2, 2023

Describe how you would design a mounting for a resistor?

Mechanical Design

0

1060

January 24, 2023

There is a car with a spring attached to it and a wall. Spring is extended and then released. What does the time-varying response look like?

Free Body Diagrams

0

1157

August 7, 2020

How do you test for waterproofing on consumer electronic products (smart phone, tablet, etc)?

Mechanical Design

apple

3

3375

August 28, 2023

A car on a hill of constant slope accelerates from rest under gravity to a point on the hill. If you want to maximize the velocity of the car at this point, where along the length of the car (e.g. downhill or uphill) would you fix an additional mass?

Free Body Diagrams

apple

2

8784

July 24, 2023

Rank the strength of the following materials from strongest to weakest: carbon fiber, plastic, steel, aluminum

Materials Science

apple , materials

4

16264

June 25, 2023

What are seven ways to bond plastic and metal?

Mechanical Design

2

4218

June 15, 2023

If you have an 'I' cross section cantilever beam and you want to make it stiffer, do you increase the height or width?

Cantilever Beams

cover

3

15570

June 14, 2023

5% failure at reliability test, how to solve?

Reliability & Mechanical Test

apple

1

2579

June 13, 2023

Two cars are at the top of a hill. One car is just a simple wheel axle car (not power), one car has a spring suspension system. Which one will reach first?

Free Body Diagrams

spacex

3

4487

June 3, 2023

How would you measure repeatability of an arm that needs to swing exactly 180 degrees (with a sensor mounted on the end?)

Reliability & Mechanical Test

1

1781

April 26, 2023

What are common grades of stainless steel used in manufacturing?

Materials Science

general , waymo

1

2956

July 27, 2020

Describe/draw the stress-strain curve between aluminum, steel, hardened steel, & plastics on the same graph

Materials Science

apple , general , materials

Can you draw a Stress-Strain diagram with: aluminum, steel, hardened steel, plastics/ceremics? Any idea on which material to select with better performance in beam problem compared to aluminum?

2

10682

February 24, 2023

What are the factors that influence the spring constant?

Free Body Diagrams

1

10777

August 3, 2021

Describe/draw the stress-strain curve of aluminum vs. steel on the same graph

Materials Science

apple , materials

Hint: How do aluminum and steel differ in yield strength and ultimate tensile strength?