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Explanation:
 
        
             
        
        
        
Answer:
Tmax= 46.0 lb-in
Explanation:
Given:
- The diameter of the steel rod BC d1 = 0.25 in
- The diameter of the copper rod AB and CD d2 = 1 in
- Allowable shear stress of steel τ_s = 15ksi 
- Allowable shear stress of copper τ_c = 12ksi 
Find:
Find the torque T_max
Solution:
- The relation of allowable shear stress is given by:
                              τ = 16*T / pi*d^3
                              T = τ*pi*d^3 / 16
- Design Torque T for Copper rod:
                              T_c = τ_c*pi*d_c^3 / 16
                              T_c = 12*1000*pi*1^3 / 16
                              T_c = 2356.2 lb.in
- Design Torque T for Steel rod:
                              T_s = τ_s*pi*d_s^3 / 16
                              T_s = 15*1000*pi*0.25^3 / 16
                              T_s = 46.02 lb.in
- The design torque must conform to the allowable shear stress for both copper and steel. The maximum allowable would be:
                              T = min ( 2356.2 , 46.02 )
                              T = 46.02 lb-in
 
        
             
        
        
        
Answer:
Rate of heat transfer to river=1200MW
So the actual amount of heat rejected ti the river will be less as there will some heat loss to surrounding and in pipes
Explanation:
In order to find the actual heat transfer rate is lower or higher than its value we will first find the rate of heat transfer to power plant:


From First law of thermodynamics:
Rate of heat transfer to river=heat transfer to power plant-work done
Rate of heat transfer to river=2000-800
Rate of heat transfer to river=1200MW
So the actual amount of heat rejected ti the river will be less as there will some heat loss to surrounding and in pipes.
 
        
             
        
        
        
1.	Renewable Resources  = (Renewable means you can keep making it) =  resources that can be replenished (such as trees)	
2.	Nonrenewable Resources  =  ( Nonrenewable means it can't be made once it is used up) = resources that are gone once they are used (such as fossil fuels)
3.	Producer  =  ( produces something) = person who makes goods or provides services
4.	Consumer  = ( uses something) =   person whose wants are satisfied by using goods and services	
5.	Allocate  = ( put someplace) =   distribute
6.	Choice	=  option	
 
        
                    
             
        
        
        
Answer:
A.
Explanation:
Individual footings are the commonest, and they are often used if the load of the building is borne by columns. Typically, every column will have an own footing. The footing is usually only a rectangular or square pad of concrete on which the column is erected