Podcast
Questions and Answers
Which material are pressure vessels usually not made of?
Which material are pressure vessels usually not made of?
- Cast iron
- Sheet steel
- Non-ferrous materials
- Any of the above (correct)
Which of the following is usually considered a thin cylinder?
Which of the following is usually considered a thin cylinder?
- Boilers
- Tanks
- Steam and water pipes
- All of the above (correct)
How do longitudinal stresses act in relation to the longitudinal axis of a shell?
How do longitudinal stresses act in relation to the longitudinal axis of a shell?
- Parallel
- Perpendicular
- Either of the above (correct)
- None of the above
What is the radial stress in a spherical pressure vessel?
What is the radial stress in a spherical pressure vessel?
What are cylindrical vessels with wall thickness not small (t ≥d/20) classified as?
What are cylindrical vessels with wall thickness not small (t ≥d/20) classified as?
What is true for shrink fits?
What is true for shrink fits?
What does the term 'Gatorizing' refer to?
What does the term 'Gatorizing' refer to?
When is the chemical reduction process commonly used?
When is the chemical reduction process commonly used?
What type of chips does plain milling of mild steel plate produce?
What type of chips does plain milling of mild steel plate produce?
What is the purpose of the fullering process?
What is the purpose of the fullering process?
What do coining and embossing operations involve?
What do coining and embossing operations involve?
In a single spindle automatic lathe, how many tools are mounted on the turret?
In a single spindle automatic lathe, how many tools are mounted on the turret?
What type of stress is induced in the wire material of a closely coiled helical spring when subjected to a couple about its axis?
What type of stress is induced in the wire material of a closely coiled helical spring when subjected to a couple about its axis?
Where is the hoop stress maximum in a thick cylinder pressurized from inside?
Where is the hoop stress maximum in a thick cylinder pressurized from inside?
What is the purpose of an idler pulley?
What is the purpose of an idler pulley?
How are rivets classified?
How are rivets classified?
What is the position of a shaft inside a bearing when it rotates in an anticlockwise direction at high speed?
What is the position of a shaft inside a bearing when it rotates in an anticlockwise direction at high speed?
What happens at the critical speed of a shaft?
What happens at the critical speed of a shaft?
What is the stress that can be used to design a shaft subjected to combined bending and torsion?
What is the stress that can be used to design a shaft subjected to combined bending and torsion?
In a belt drive, what phenomenon describes the loss of power due to slippage?
In a belt drive, what phenomenon describes the loss of power due to slippage?
What does the designation '6 x 7' of a wire rope indicate?
What does the designation '6 x 7' of a wire rope indicate?
In a V-belt drive system, what is the usual range for the groove angle of the pulley?
In a V-belt drive system, what is the usual range for the groove angle of the pulley?
What does Euler's formula with 5 to 10% error in crippling load compare to experimental results in practice suggest?
What does Euler's formula with 5 to 10% error in crippling load compare to experimental results in practice suggest?
What determines the velocity ratio of two pulleys connected by an open belt or crossed belt?
What determines the velocity ratio of two pulleys connected by an open belt or crossed belt?
What should be done if a vessel is considered thin-walled?
What should be done if a vessel is considered thin-walled?
How is a commonly used 30 mm H-hole with tolerance grade IT9 expressed?
How is a commonly used 30 mm H-hole with tolerance grade IT9 expressed?
Where are the sets of blocks that architectural firms and mechanical design companies use usually housed?
Where are the sets of blocks that architectural firms and mechanical design companies use usually housed?
When creating your own blocks, what layer should you avoid drawing any portion of the block in?
When creating your own blocks, what layer should you avoid drawing any portion of the block in?
What is lancing in the context of metalworking?
What is lancing in the context of metalworking?
In machining, which materials would tools with higher cutting angles typically be used for?
In machining, which materials would tools with higher cutting angles typically be used for?
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