Mechanical Definitions |
Computer aided design : It is used to solve and enhance
the solution of design and drafting problems. |
Concrete mixer : A machine with a rotating drum in which
the components of concrete are mixed. |
Condenser tubes : Metal tubes used in a heat-transfer
device, with condenser vapour as the heat source and flowing
liquid such as water as the receiver. |
Cone clutch : A clutch which uses the wedging action
of mating conical sufraces to transmit friction torque. |
Contact condenser : A device in which a vapour such as
steam, is brought into direct contact with a cooling liquid,
such as water, and is condensed by giving up its latent heat
to the liquid. Also known as direct-contact condenser. |
Continuous mixer : A mixer in which materials are introduced,
mixed, and discharged in a continuous flow. |
Contrarotating propellers : A pair of propellers on concentric
shafts, turning in opposite directions. |
Cooling degree day : A unit for estimating the energy
needed for cooling a building; one unit is given for each degree
Fahrenheit that the daily mean temperature exceeds 750F
(240C). |
Cooling range : Lie difference in temperature between
the hot water entering and the cold water leaving a cooling
tower. |
Cooling Tower : These are used to cool the hot water.
The water transfers the heat to air. |
Coordinate system : It is a method of representing points
in a space of given dimensions by coordinates.
- Rectangular (Cartesian) Coordinates : The features on
a drawing or solid component are positioned by means of
dimensioning from two mutually perpendicular datum surfaces.
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- Polar Coordinates : The features on a drawing or solid
component are dimensioned by means of a radial distance
from a datum point and an angular displacement from a datum
line or datum edge.
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Corliss valve : An oscillating type of valve gear with
a trip mechanism for the admission and exhaust of steam to and
from an engine cylinder. |
Cottered joint : A joint in which a cotter, usually a
flat bar tapered on one side to ensure a tight fit, transmits
power by shear on an area at right angles to its length. |
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