Explanation:
Conduction:
Heat transfer in the conduction occurs due to movement of molecule or we can say that due to movement of electrons in the two end of same the body. Generally, phenomenon of conduction happens in the case of solid . In conduction heat transfer takes places due to direct contact of two bodies.
Convection:
In convection heat transfer of fluid takes place due to density difference .In simple words we can say that heat transfer occur due to motion of fluid.
Answer:
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I think option c 12 is currect
Explanation:
As a general rule of thumb, the large the diameter of a bearing, bushing or pin, the larger the tolerance range,” Brieschke points out. “The inverse is true for smaller-diameter pieces.”
Mike Brieschke, vice president of sales at Aries Engineering, says a 0.25-inch-diameter metal dowel that is press-fit into a mild steel hole usually has an interference of ±0.0015 inch. Parts in noncritical assemblies tend to have looser tolerances
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Explanation:
The obtained data from water properties tables are:
Point 1 (condenser exit) @ 8 KPa, saturated fluid
Point 2 (Pump exit) @ 18 MPa, saturated fluid & @ 4 MPa, saturated fluid
Point 3 (Boiler exit) @ 18 MPa, saturated steam & @ 4 MPa, saturated steam
Point 4 (Turbine exit) @ 8 KPa, mixed fluid
Calculate mass flow rates
Part a) @ 18 MPa
mass flow
Heat transfer rate through boiler
Heat transfer rate through condenser
Thermal Efficiency
Part b) @ 4 MPa
mass flow
Heat transfer rate through boiler
Heat transfer rate through condenser
Thermal Efficiency
