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Machine Design

Machine Design
Euler’s formula for a mild steel column is not valid if the slenderness ratio is

90
120
100
60

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Machine Design
Transverse fillet welded joints are designed for

Tensile strength
Shear strength
Compressive strength
Bending strength

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Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

2W/A
3W/A
W/2A
W/A

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Machine Design
In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be

0.99
0.98
0.97
0.96

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Machine Design
If T₁ and T₂ are the tensions on the tight and slack sides of the belt respectively, and Tc is the centrifugal tension, then initial tension in the belt is equal to

T₁ + T₂ + Tc
(T₁ + T₂ + Tc)/2
T₁ - T₂ + Tc
(T₁ - T₂ + Tc)/2

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Machine Design
The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called

Clearance
Working depth
Face width
Backlash

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MORE MCQ ON Machine Design

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