EOPA - Mechanical

Front

A noise level of ______ or above can cause hearing loss.

Back

85 decibels

Front

What type of valve would be most appropriate for complete fluid isolation in a pipeline?

Back

Ball valve

Front

If a drive gear has 48 teeth and the driven gear has 16 teeth, what is the gear ratio?

Back

1/3

Front

Which bearing type is most suitable for high-speed applications with primarily radial loads?

Back

Ball bearing

Front

Which lubricant property is most important for high-temperature applications?

Back

Viscosity index

Front

What is the primary advantage of a roller chain drive over a belt drive?

Back

No slippage

Front

If one gear has 30 teeth and rotates at 90 rpm and the other gear has only 20 teeth, what is its rpm?

Back

135

Front

Which plastic material is best suited for high-wear applications? Options: PVC, UHMW polyethylene, ABS, Polypropylene

Back

UHMW polyethylene

Front

What is the primary purpose of a sectional view in mechanical drawings?

Back

Show internal features

Front

In gear systems, what determines the direction of rotation of the driven gear?

Back

Number of meshing points