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

51)   

In the hole basis system, the lower deviation of the hole is:

A.
B.
C.
D.
Answer: A
52)   

In the shaft basis system, the upper deviation of the shaft is:

A.
B.
C.
D.
Answer: A
53)   

Which system is most commonly used in manufacturing due to ease of standardization?

A.
B.
C.
D.
Answer: B
54)   

In the hole basis system, the hole size is kept constant and:

A.
B.
C.
D.
Answer: A
55)   

In the hole basis system, the hole size is kept constant and:

A.
B.
C.
D.
Answer: A
56)   

For H7/h6 fit in hole basis system, the 'H' indicates:

A.
B.
C.
D.
Answer: B
57)   

Which is the fundamental deviation letter for shaft in a clearance fit of hole basis system?

A.
B.
C.
D.
Answer: A
58)   

Hole basis system is preferred because:

A.
B.
C.
D.
Answer: A
59)   

In shaft basis system, the letter 'h' for hole indicates:

A.
B.
C.
D.
Answer: A
60)   

Which system is preferred when standard shafts (e.g., bars) are available in fixed sizes?

A.
B.
C.
D.
Answer: B
61)   

In the BIS chart, the fundamental deviation is

A.
B.
C.
D.
Answer: B
62)   

In BIS notation H7/h6, what fit is usually obtained?

A.
B.
C.
D.
Answer: A
63)   

If the basic size is 50 mm and the BIS chart shows for H7: ES = +0.000 mm, EI = –0.025 mm, what is the tolerance for the hole?

A.
B.
C.
D.
Answer: A
64)   

In a BIS chart, the tolerance value is determined by:

A.
B.
C.
D.
Answer: A
65)   

If a shaft is designated g6 in BIS, “g” represents:

A.
B.
C.
D.
Answer: B
66)   

In BIS charts, clearance is calculated by:

A.
B.
C.
D.
Answer: A
67)   

In BIS charts, maximum interference is calculated by:

A.
B.
C.
D.
Answer: A
68)   

Which of the following BIS fit designations is most likely to give an interference fit?

A.
B.
C.
D.
Answer: C
69)   

In the BIS system, H8/f7 is generally used for:

A.
B.
C.
D.
Answer: B
70)   

The BIS chart is designed mainly to:

A.
B.
C.
D.
Answer: B
71)   

The notation H7/g6 in IS system means:

A.
B.
C.
D.
Answer: A
72)   

In IS system, the letter H in a hole designation indicates:

A.
B.
C.
D.
Answer: B
73)   

In IS system, the letter h in a shaft designation indicates:

A.
B.
C.
D.
Answer: A
74)   

Loose running fits in IS system are generally used for:

A.
B.
C.
D.
Answer: B
75)   

Sliding fit in IS system is best suited for:

A.
B.
C.
D.
Answer: A