Exercise: Machine Design

Questions for: Machine Design

Euler's formula for a mild steel column is not valid if the slenderness ratio is
A:
60
B:
90
C:
100
D:
120
Answer: A
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An universal coupling is used to connect two shafts
A:
which are perfectly aligned
B:
which are not in exact alignment
C:
have lateral misalignment
D:
whose axes intersect at a small angle
Answer: D
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For hardening alloy steels and high speed steels, they are heated to
A:
500 to 600°C
B:
700 to 900°C
C:
1100 to 1300°C
D:
1300 to 1500°C
Answer: C
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The V-belts are particularly suitable for __________ drives.
A:
short
B:
long
C:
D:
Answer: A
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The metal suitable for bearings subjected to heavy loads is
A:
silicon bronze
B:
white metal
C:
monel metal
D:
phosphor bronze
Answer: B
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