(True/False) Unix is written in the C language. * True O False
2 answers:
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Answer:
b). The same for all pipes independent of the diameter
Explanation:
We know,
From the above formulas we can conclude that the thermal resistance of a substance mainly depends upon heat transfer coefficient,whereas radius has negligible effects on heat transfer coefficient.
We also know,
Factors on which thermal resistance of insulation depends are :
1. Thickness of the insulation
2. Thermal conductivity of the insulating material.
Therefore from above observation we can conclude that the thermal resistance of the insulation is same for all pipes independent of diameter.
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
Answer:
Explanation:
Given
Initial Thickness=45 mm
Final thickness=20 mm
Roll diameter=600 mm
Radius(R)=300 mm
coefficient of friction between rolls and strip ()=0.15
maximum draft
Minimum no of passes
(b)draft per each pass