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Machine Design

Machine Design
The size of a gear is usually specified by

Pressure angle
Pitch circle diameter
Circular pitch
Diametral pitch

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Machine Design
The property of a material which enables it to be drawn into wires with the application of a tensile force, is called

Elasticity
Ductility
Plasticity
Malleability

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

2 times
Equal to
Double
0.5 times

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Machine Design
The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of

0.55
0.45
0.65
0.75

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Machine Design
The modulus of elasticity for mild steel is approximately equal to

80 kN/mm²
100 kN/mm²
210 kN/mm²
110 kN/mm²

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Machine Design
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

2050 N-m
2136 N-m
2000 N-m
2100 N-m

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