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A semi-elliptical laminated vehicle spring to took a load of 6000 N is to consist of seven leaves 65 mm wide, two of the leaves extending the full length of the spring. The spring is to be 1.1 m in length and located to the axle by two U-bolts 80 mm apart. The bolts hold the central portion of the spring so rigidly that they can be considered equivalent to a band having a width equal to the distance between the bolts. Consider a design stress for spring material as 350 MPa. Evaluate:
1. Thickness of leaves,
2. Deflection of spring,
3. Diameter of eye,
4. Length of leaves, and
5.Radius to which leaves should be initially bent.
Tank Drainage A large open vertical tank has three small, smooth, well-rounded orifices spaced equidistantly at ¼ h , ½ h , ¾ h up from the bottom of the tank (Fig. Q1). Water
Forced Air Cooling: A fan makes a difference between natural air cooling and forced air-cooling. The fan supplies the required air to carry away heat from the engine cylinder
Composite materials consist of two or more distinct components. Generally we refer to a matrix and a reinforcement . The reinforcement can be in the form of fibres (continuous
Wire Feed System The submerged arc welding machine of the wire feed control may be of the following types: 1. Voltage sensitive system 2. Constant wire feed The voltage sensiti
Fundamentals of Electricity Current: The flow rate of charge or electrons with respect to time is known as current. It is measured in ampere (A).
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why there is a different angular velocity in the two cranks of a drag link mechanism?
If a Laboratory experiment, the following data were recorded with rope Break dynamometer : Diameter of fly-wheel = 1.2 m Diameter of the rope = 12.5 mm Speed = 200 r.p.m.
Q: What is simple bending or pure bending of beam? Sol.: If portion of beam is subjected to the constant bending moment only and
Power
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