Exercise: Machine Design

Questions for: Machine Design

In a partial journal bearing, the angle of contact of the bearing with the journal is
A:
120°
B:
180°
C:
270°
D:
360°
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The antifriction bearings
A:
have low starting and low running friction at moderate speeds
B:
have high initial cost
C:
can carry both radial and thrust loads
D:
all of these
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The bearings of medium series have capacity __________ over the light series.
A:
10 to 20%
B:
20 to 30%
C:
30 to 40%
D:
40 to 50%
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is
A:
F + P
B:
F - P
C:
P
D:
F
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
According to I.B.R., the factor of safety of riveted joint should not be less than
A:
1
B:
2
C:
3
D:
4
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz