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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit V Limit Fit Tolerance and Interchangeabilty

145)   

If hole = 30 mm H7 and shaft = 30 mm h6, then the fit is generally:

A.
B.
C.
D.
146)   

Interference fits are most commonly used in:

A.
B.
C.
D.
147)   

In BIS fit designation, the number (e.g., 7 in H7) refers to:

A.
B.
C.
D.
148)   

Which fit is most suitable for locating dowel pins in machine tools?

A.
B.
C.
D.
149)   

Which basis system is preferred for general engineering practice?

A.
B.
C.
D.
150)   

The advantage of hole-basis system is:

A.
B.
C.
D.
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.
152)   

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

A.
B.
C.
D.
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.
154)   

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

A.
B.
C.
D.
155)   

In clearance fits, the allowance is defined as:

A.
B.
C.
D.
156)   

A running fit in BIS system is best suited for:

A.
B.
C.
D.
157)   

A transition fit is used where:

A.
B.
C.
D.
158)   

Which component pair typically uses interference fit?

A.
B.
C.
D.
159)   

A hole-basis fit system is preferred because:

A.
B.
C.
D.
160)   

In shaft-basis system, the shaft has:

A.
B.
C.
D.