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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 9
36.
The ratio of pitch circle diameter in millimetres to the number of teeth, is called
circular pitch
diametral pitch
module
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
According to Indian standard specifications, 100 H6/g5 means that
tolerance grade for the hole is 6 and for the shaft is 5
tolerance grade for the shaft is 6 and for the hole is 5
tolerance grade for the shaft is 4 to 8 and for the hole is 3 to 7
tolerance grade for the hole is 4 to 8 and for the shaft is 3 to 7
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Rankine Gordon formula for buckling is valid for
long column
short column
short and long column
very long column
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The angle of twist of shaft is
directly proportional to (shaft diameter)2
inversely proportional to (shaft diameter)2
directly proportional to (shaft diameter)4
inversely proportional to (shaft diameter)4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be
6 kN/m
12 kN/m
24 kN/m
30 kN/m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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