Quiz

Question: The usual proportion for the width of key is (where d = diameter of shaft or diameter of hole in the hub)
Options:
A. d/8
B. d/6
C. d/4
D. d/2
Answer: Option C

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Question 1. According to indian standard specifications, 100 h6/g5 means that
  1.     Tolerance grade for the hole is 6 and for the shaft is 5
  2.     Tolerance grade for the shaft is 6 and for the hole is 5
  3.     Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7
  4.     Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7
Answer: Option A
Question 2. The longitudinal joint in boilers is used to get the required
  1.     Length of boiler
  2.     Diameter of boiler
  3.     Length and diameter of boiler
  4.     Efficiency of boiler
Answer: Option B
Question 3. The longitudinal joint in boilers is used to get the required
  1.     Length of boiler
  2.     Diameter of boiler
  3.     Length and diameter of boiler
  4.     Efficiency of boiler
Answer: Option B
Question 4. When a machine member is subjected to torsion, the torsional shear stress set up in the member is
  1.     Zero at both the centroidal axis and outer surface of the member
  2.     Maximum at both the centroidal axis and outer surface of the member
  3.     Zero at the centroidal axis and maximum at the outer surface of the member
  4.     Maximum at the centroidal axis and zero at the outer surface of the member
Answer: Option C
Question 5. The usual proportion for the width of key is (where d = diameter of shaft or diameter of hole in the hub)
  1.     d/8
  2.     d/6
  3.     d/4
  4.     d/2
Answer: Option C
Question 6. According to indian standard specifications, 100 h6/g5 means that
  1.     Tolerance grade for the hole is 6 and for the shaft is 5
  2.     Tolerance grade for the shaft is 6 and for the hole is 5
  3.     Tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7
  4.     Tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7
Answer: Option A

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