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Machine Design

Machine Design
A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel.

Equal to
None of these
Greater than
Less than

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Machine Design
Which of the following formula is used in designing a connecting rod?

Johnson's parabolic formula
Rankine's formula
Euler's formula
Johnson's straight line formula

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Machine Design
When the belt is transmitting maximum power, the belt speed should be(Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N))

√(Pmax / m)
√(3m /Pmax)
√(Pmax / 3m)
√(Pmax / 2m)

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Machine Design
The function of the washer is to

Provide cushioning effect
Fill up the axial gap
Absorb shocks and vibrations
Provide bearing area

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Machine Design
A steel containing up to 0.15% carbon is known as

Dead mild steel
Mild steel
Medium carbon steel
High carbon steel

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Machine Design
The product of the diametral pitch and circular pitch is equal to

1
π
1/π
π × number of teeth

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