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(a) Describe that internal energy is property of the system.
(b) one kg of air at 1 bar and 300k is compressed adiabatically till its pressure becomes 5 times the original pressure. Then it is expanded at constant pressure and finally cooled at constant volume to return to its original conditions. Evaluate heat transfer, internal energy and work transfer for each process and for the cycle. Show the process on p-v diagrams.
Question: (a) (i) Describe the difference between intrinsic and extrinsic semiconductors. (ii)Is it possible for compound semiconductors to exhibit intrinsic behaviour? Desc
Law of superposition: When the two forces are in equilibrium (equal, collinear and opposite), their resultant is zero and their combined action on rigid body is equivalent to
(a) What is a coated tool? What are its advantages? What types of coatings are used in cutting tool. Discuss. (b) Discuss different types of cutting fluids, their properties and
What is the use of Spindle in Radial drilling machine The spindle holds the drill or cutting tools and revolves in a fixed position in a sleeve.
W rite down the different assumptions in simple theory of bending. The assumptions which are made in theory of simple bending are stated below:
what is the importance of stress analysis in steels
Find out the recoil-velocity of the gun: As shell of mass 200 gm is fired at a velocity of 50 metres/second by a gun of mass 20 kg. Find out the recoil-velocity of the gun.
Q. What is Indirect extrusion? In indirect extrusion, also known as backwards extrusion, the billet and container move together while the die is stationary. The die is held i
what is effectively of longitudinal joint
Necessity of Cooling System To prevent the engine from excessive heating. To avoid the piston seizure due to thermal expansion. To prevent burning of lubricant a
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