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Machine Design

Machine Design
Rankine's theory is used for

Ductile materials
Plastic materials
Elastic materials
Brittle materials

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

3 to 5
0.5 to 1
1 to 2
5 to 10

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Machine Design
When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the

Initial tension
Sum of the initial tension and external load applied
External load applied
Initial tension or external load, whichever is greater

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Machine Design
The difference between the upper limit and lower limit of a dimension is called

Actual size
Basic size
Tolerance
Nominal size

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Machine Design
A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as

Crown Bevel gears
Angular bevel gears
Mitre gears
Internal bevel gears

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Machine Design
Pick up wrong statement. Fatigue strength can be increased by

Grinding and lapping surface
Hot working
Shot peening
Cold working

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MORE MCQ ON Machine Design

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