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MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit V Limit Fit Tolerance and Interchangeabilty

176)   

The same hole (50 H7) has minimum size:

A.
B.
C.
D.
Answer: A
177)   

A shaft 50 f7 has limits −0.025/−0.008 mm. Maximum shaft size is:

A.
B.
C.
D.
Answer: B
178)   

Minimum shaft size for 50 f7:

A.
B.
C.
D.
Answer: C
179)   

Maximum clearance of 50 H7/f7 fit:

A.
B.
C.
D.
Answer: A
180)   

Minimum clearance of 50 H7/f7 fit:

A.
B.
C.
D.
Answer: A
181)   

Which fit is used for bearing inner race on shaft?

A.
B.
C.
D.
Answer: B
182)   

Which fit is used for loose pulley on shaft?

A.
B.
C.
D.
Answer: A
183)   

Tolerance stack-up means:

A.
B.
C.
D.
Answer: B
184)   

Interchangeability ensures:

A.
B.
C.
D.
Answer: D
185)   

In a hole-basis system, the fundamental deviation of the hole is:

A.
B.
C.
D.
Answer: C
186)   

In a shaft-basis system, the shaft deviation is:

A.
B.
C.
D.
Answer: A
187)   

A 40 H7/h6 fit has hole 40.000–40.025 mm and shaft 39.975–40.000 mm. Type of fit is:

A.
B.
C.
D.
Answer: B
188)   

Maximum interference in the above 40 H7/h6 fit:

A.
B.
C.
D.
Answer: A
189)   

Minimum clearance in the above fit:

A.
B.
C.
D.
Answer: A
190)   

For press-fit gear on shaft, which system is generally used?

A.
B.
C.
D.
Answer: A
191)   

A tolerance grade IT7 indicates:

A.
B.
C.
D.
Answer: B
192)   

Fundamental deviation letter g in shaft 50 g6 indicates:

A.
B.
C.
D.
Answer: A
193)   

Allowance in a fit is:

A.
B.
C.
D.
Answer: B
194)   

Which fit is suitable for sliding shafts in machinery?

A.
B.
C.
D.
Answer: A
195)   

Coupling hubs on shafts require which fit?

A.
B.
C.
D.
Answer: B
196)   

If a shaft 30 f7 has max 29.992 mm and min 29.975 mm, and hole 30 H7 has max 30.035 mm, min 30.000 mm, the maximum clearance is:

A.
B.
C.
D.
Answer: C
197)   

Minimum clearance for the same fit:

A.
B.
C.
D.
Answer: A
198)   

Interchangeability is important because:

A.
B.
C.
D.
Answer: D
199)   

Which fit type provides tightest assembly?

A.
B.
C.
D.
Answer: C
200)   

A hole of 60 H7 has tolerance +0.043/0.000 mm. What is the maximum hole size?

A.
B.
C.
D.
Answer: B