Question:
In an assembly comprising shaft and hole, the nominal sizes with tolerances are specified as
Hole: \(25.000^{+0.002}_{-0.001}\) mm,
Shaft: \(25.000^{+0.001}_{-0.003}\) mm.
The type of fit is
In an assembly comprising shaft and hole, the nominal sizes with tolerances are specified as
Hole: \(25.000^{+0.002}_{-0.001}\) mm,
Shaft: \(25.000^{+0.001}_{-0.003}\) mm.
The type of fit is
Hole: \(25.000^{+0.002}_{-0.001}\) mm,
Shaft: \(25.000^{+0.001}_{-0.003}\) mm.
The type of fit is
Show Hint
A transition fit occurs when both clearance and interference are possible depending on tolerance extremes.
Updated On: Jan 13, 2026
- Clearance fit
- Interference fit
- Transition fit
- Running fit
Show Solution
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The Correct Option is C
Solution and Explanation
To determine the fit type, we compare the extreme limits of hole and shaft sizes.
Hole limits:
\[
H_{\min} = 25.000 - 0.001 = 24.999,
H_{\max} = 25.000 + 0.002 = 25.002.
\]
Shaft limits:
\[
S_{\min} = 25.000 - 0.003 = 24.997,
S_{\max} = 25.000 + 0.001 = 25.001.
\]
Check possibility of clearance:
Maximum shaft < minimum hole?
\[
25.001 < 24.999 \text{(False)}
\]
Check possibility of interference:
Minimum shaft > maximum hole?
\[
24.997 > 25.002 \text{(False)}
\]
Since both clearance and interference are possible depending on tolerance combinations, the fit is a transition fit.
Final Answer: Transition fit
Final Answer: Transition fit
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