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Machine Design

Machine Design
The included angle for the British Association thread is

47.3°
55°
29°
60°

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Machine Design
For hardening alloy steels and high speed steels, they are heated to

500 to 600°C
1300 to 1500°C
700 to 900°C
1100 to 1300°C

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Machine Design
For low and moderate speed engines, the cam follower should move with

Simple harmonic motion
Cycloidal motion
Uniform velocity
Uniform acceleration and retardation

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Machine Design
Transverse fillet welded joints are designed for

Shear strength
Tensile strength
Compressive strength
Bending strength

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

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Machine Design
The groove angle of pulleys for V-belt is

More than 400
420 to 450
340 to 360
300 to 320

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MORE MCQ ON Machine Design

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