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For the following questions answer them individually
In order to have interference fit, it is essential that the lower limit of the shaft should be:
A steel plate of thermal conductivity 50 W/mK and thickness 10 cm passes a heat flux by conduction of 25 KW/m2. If the temperature of hot surface of the plate is
100°C, then what is the temperature of cooler surface of the plate?
Gears are manufactured in mass production by:
In blanking and piercing operation, clearance between die and punch depends on:
Gate is provided in moulds to:
The electric resistance welding operates with:
An orthogonal cutting operation is being carried out under the following conditions Cutting speed (V)=2m/s, depth of cut=0.5 mm, chip thickness=0.6 mm .Then chip velocity is:
The rake angle of a cutting tool is 15°, the shear angle is 45° and the cutting velocity is 35 m/min. What is the velocity of chip along the tool face?
A 40 mm diameter rod is to be turned on a lathe at a cutting speed of 30 m/min. The required spindle speed should be approximately:
A tank containing air is stirred by a paddle wheel. The work input to the paddle wheel is 9000 KJ and heat transferred to the surroundings from the tank is 3000 KJ. The
external work done by the system is:
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