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Machine Design

Machine Design
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.

Equal to
2 times
0.5 times
Double

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Machine Design
According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be

80 to 90%
45 to 60%
70 to 83%
63 to 70%

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Machine Design
If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as

T/sec³φ
T sec²φ
T sec³φ
T cosecφ

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Machine Design
Ball bearing type screws are found in following application

Crane
Screw jack
Steering mechanism
Aeroplane engines

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Machine Design
A connecting rod is designed as a

Short column
All of these
Long column
Strut

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Machine Design
The value of Lewis form factor used in design of gears is

Dependent on system of teeth
All of these
Dependent on number of teeth of a gear
Independent of size of teeth

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