Latest Mechanical Engineering topics

Topic	Replies	Views	Activity
Describe the failure theories for brittle and ductile materials Materials Science	0	1428	August 10, 2021
How would you design an automated sticker peeler? Mechanical Design	0	1268	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	1282	August 6, 2020
iPhone Home Button: How would you design the mechanism of the home button? Mechanical Design apple	0	2373	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	1047	January 24, 2023
How would you use calibrated dowels in the design/machining/inspection process? Manufacturing & Consumer Product Design	0	1111	May 21, 2021
What type of tests would you conduct on a solid state drive? Mechanical Design zoox , mechanical-testing	0	1216	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	1489	October 3, 2020
What techniques are used to mitigate rotational vibration on a hard disk? Mechanical Design facebook	0	1849	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	1008	August 8, 2020
Explain the types of tests you would conduct on an Oculus Rift Mechanical Design facebook , square	0	1432	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	1023	August 2, 2023
For a screwed connection, what condition will the bolt experience no shear load? Manufacturing & Consumer Product Design carbon	0	1227	August 2, 2023
What are the following GD&T symbols, and what tolerance & surface does it control? Manufacturing & Consumer Product Design flexiv	0	1423	August 2, 2023
Describe how you would design a mounting for a resistor? Mechanical Design	0	984	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	1064	August 7, 2020
How do you test for waterproofing on consumer electronic products (smart phone, tablet, etc)? Mechanical Design apple	3	3026	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	8169	July 24, 2023
Rank the strength of the following materials from strongest to weakest: carbon fiber, plastic, steel, aluminum Materials Science apple , materials	4	14926	June 25, 2023
What are seven ways to bond plastic and metal? Mechanical Design	2	3610	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	14573	June 14, 2023
5% failure at reliability test, how to solve? Reliability & Mechanical Test apple	1	2289	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	4151	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	1661	April 26, 2023
What are common grades of stainless steel used in manufacturing? Materials Science general , waymo	1	2676	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	9432	February 24, 2023
What are the factors that influence the spring constant? Free Body Diagrams	1	10186	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	51953	February 5, 2023
For a simply supported beam, which beam would have less deflection: a single stacked or double stacked beam? Cantilever Beams	3	2401	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	9794	July 29, 2020

Describe the failure theories for brittle and ductile materials

Materials Science

0

1428

August 10, 2021

How would you design an automated sticker peeler?

Mechanical Design

0

1268

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

1282

August 6, 2020

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

Mechanical Design

apple

0

2373

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

1047

January 24, 2023

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

Manufacturing & Consumer Product Design

0

1111

May 21, 2021

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

Mechanical Design

zoox , mechanical-testing

0

1216

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

1489

October 3, 2020

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

Mechanical Design

facebook

0

1849

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

1008

August 8, 2020

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

Mechanical Design

facebook , square

0

1432

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

1023

August 2, 2023

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

Manufacturing & Consumer Product Design

carbon

0

1227

August 2, 2023

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

Manufacturing & Consumer Product Design

flexiv

0

1423

August 2, 2023

Describe how you would design a mounting for a resistor?

Mechanical Design

0

984

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

1064

August 7, 2020

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

Mechanical Design

apple

3

3026

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

8169

July 24, 2023

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

Materials Science

apple , materials

4

14926

June 25, 2023

What are seven ways to bond plastic and metal?

Mechanical Design

2

3610

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

14573

June 14, 2023

5% failure at reliability test, how to solve?

Reliability & Mechanical Test

apple

1

2289

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

4151

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

1661

April 26, 2023

What are common grades of stainless steel used in manufacturing?

Materials Science

general , waymo

1

2676

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

9432

February 24, 2023

What are the factors that influence the spring constant?

Free Body Diagrams

1

10186

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?