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

151)   

A hole is specified as 40 H7 with tolerance of +0.035/0.000 mm. What are the hole limits?

A.
B.
C.
D.
Answer: B
152)   

A shaft is 40 g6 with limits −0.008/−0.025 mm. What is the maximum shaft size?

A.
B.
C.
D.
Answer: B
153)   

A 40 H7/g6 fit has hole limits (40.000–40.035 mm) and shaft limits (39.975–39.992 mm). What is the maximum clearance?

A.
B.
C.
D.
Answer: B
154)   

For the same fit above, what is the minimum clearance?

A.
B.
C.
D.
Answer: B
155)   

In clearance fits, the allowance is defined as:

A.
B.
C.
D.
Answer: B
156)   

A running fit in BIS system is best suited for:

A.
B.
C.
D.
Answer: A
157)   

A transition fit is used where:

A.
B.
C.
D.
Answer: A
158)   

Which component pair typically uses interference fit?

A.
B.
C.
D.
Answer: A
159)   

A hole-basis fit system is preferred because:

A.
B.
C.
D.
Answer: C
160)   

In shaft-basis system, the shaft has:

A.
B.
C.
D.
Answer: B
161)   

The maximum interference is equal to:

A.
B.
C.
D.
Answer: B
162)   

The tolerance stack-up in an assembly means:

A.
B.
C.
D.
Answer: B
163)   

Which fit is generally chosen for gears on shafts requiring press-fit?

A.
B.
C.
D.
Answer: C
164)   

For a loose pulley on shaft, which fit is suitable?

A.
B.
C.
D.
Answer: A
165)   

For a hole basis system, the fundamental deviation is:

A.
B.
C.
D.
Answer: C
166)   

Which of the following is NOT an advantage of interchangeability?

A.
B.
C.
D.
Answer: C
167)   

In a 50 H7/h6 fit, the shaft deviation is:

A.
B.
C.
D.
Answer: A
168)   

Clearance fit is denoted in BIS by:

A.
B.
C.
D.
Answer: B
169)   

Which symbol represents a transition fit in Indian Standards?

A.
B.
C.
D.
Answer: A
170)   

A clearance fit has:

A.
B.
C.
D.
Answer: B
171)   

An interference fit is required for:

A.
B.
C.
D.
Answer: C
172)   

A hole of 25 H7 has a tolerance of 0.021 mm. If the basic size is 25.000 mm, what is the maximum hole size?

A.
B.
C.
D.
Answer: C
173)   

A shaft of 25 f7 has tolerance −0.025/−0.009 mm. What is the minimum shaft size?

A.
B.
C.
D.
Answer: B
174)   

Which of the following best represents the purpose of limits & fits?

A.
B.
C.
D.
Answer: C
175)   

A hole of 50 H7 has tolerance +0.035/0.000 mm. The basic size is 50 mm. What is the maximum hole size?

A.
B.
C.
D.
Answer: C