Welcome to your Questions on Limit Fit and Engineering Tolerance

What is basic Dimension in 50±1 mm?

51 mm

50 mm

49 mm

None of Above

None

What is the Maximum Material Condition (MMC) for given hole and shaft?

9.5mm and 4.2mm

10.2mm and 4.2mm

10.2mm and 3.9 mm

9.5 and 3.9 mm

None

What is the Least Material Condition (LMC) for given hole and shaft?

9.5mm and 4.2mm

10.2mm and 4.2mm

10.2mm and 3.9mm

9.5mm and 3.9mm

None

Why do engineers need tolerance on mating parts?​

Provide flexibility to the manufacturer.

Ensures smooth Product assembly even if parts are at an extreme tolerance limit.

Reduce part rejection rate

All of Above

None of above

None

If a shaft is 9 ± 0.5 mm in going inside a hole of 10 ± 0.5 mm. What will be the maximum clearance between hole and shaft?

If a shaft is 9 ± 0.5 mm in going inside a hole of 10 ± 0.5 mm. What will be the maximum allowance between hole and shaft?

If a shaft of size 30 ± 0.2 is going inside a hole of size 29.9 ± 0.3. What type of fit it is?

Clearance Fit

Interference Fit

Intermediate Fit

None

If a shaft MMC=21mm, shaft LMC = 20mm and Hole MMC=18mm, Hole LMC=19mm. What type of fit it is?

Please select your answer Clearance Fit Interference Fit Transition Fit

If a shaft MMC=21mm, shaft LMC = 20mm and Hole MMC=22mm, Hole LMC=23mm. What type of fit it is?

Please select your answer Clearance Fit Interference Fit Transition Fit

Select the examples of Clearance fit between two parts in real world.

Press fit insert in plastic part

Door hinges

A shaft freely rotating inside hole

Switch Assembly

Axle and bearing assembly

shaft sliding inside bearing

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