1.)ANEMOMETER – An instrument for measuring the velocity of flow of a gas, either by mechanical or electrical methods.
2.)ATMOSPHERIC PRESSURE – The force exerted by the weight of the atmosphere on every point with which it is in contact.
3.)ECCENTRIC AND STRAP – An eccentric is a disc having its axis of rotation
out of its centre. It is equivalent to a crankpin which is so large in diameter
that embraces the shaft to which it is attached and dispenses with arms.
Converts rotary motion into reciprocating motion.
4.)EFFICIENCY – Ratio of the useful work performed by a prime mover to the energy expended, that is, the output divided by the input.
5.)ENBLOCK CYLINDERS – Two or more cylinders cast integral, that is all in one casting.
6.)FEATHER VALVE – A valve which consists of a strip of ribbon steel which covers a slightly narrower slot when the value is closed.
7.)FINGER VALVES – Valves consist of narrow strips of stainless. fastened to the seat at one end and free to flex along their length. Suitable for light service.
8.)MULTISTAGE COMPRESSION – Dividing the compression of air into two or more stages so as to obtain the work saving due to a nearer approach to isothermal compression by using intercooling.
9.)PISTON SPEED – The total distance travelled by the piston in one minute, not the actual velocity at any given instant.
10.)PORTABLE COMPRESSOR – A small compressor which is easily moved from place to place
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