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Why is using the proper joining technique important? What could go wrong if the wrong joining technique is used?
Answer:
Explanation:
Using the proper technique is incredibly important because it prevents the materials being joined from breaking and/or causing an accident. If the wrong joining technique is used the materials may not hold in place and come apart easily instead. Also, some joining techniques are not meant for some materials and may instead cause the material to become weak and brittle causing it to break apart almost immediately.
Joining describes a technique which is used to merge two or more independent materials together. The use of wrong joining technique or procedure could result in accident.
In engineering construction, the need to join materials together is always needed for so many reasons. Hence, depending on the materials to be merged, welding, soldering and some other techniques may be employed.
Therefore, wrong or inadequate joining may cause these parts to split or breakup, hence causing severe casualty.
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Select three of the prerequisites for becoming a civil engineer.
bachelor’s degree in civil engineering
physics courses
communications courses
professional certification
internship with a Professional Engineer
Thanks!
Answer:
A bachelor's degree
Physics course
professional certification
Answer:
A bachelor's degree
Physics course
professional certification
Explanation:
A 75-hp (shaft output) motor that has an efficiency of 91.0% is worn out and is replaced by a high-efficiency 75-hp motor that has an efficiency of 95.4%. Determine the reduction in the heat gain of the room due to higher efficiency under full-load conditions.
Answer:
the reduction in the heat gain is 2.8358 kW
Explanation:
Given that;
Shaft outpower of a motor [tex]W_{shaft}[/tex] = 75 hp = ( 75 × 746 ) = 55950 W
Efficiency of motor [tex]n_{motor}[/tex] = 91.0% = 0.91
High Efficiency of the motor [tex]n_{high-eff}[/tex] = 95.4% = 0.954
now, we know that, efficiency of motor is defined as; [tex]n_{motor}[/tex] = [tex]W_{shaft}[/tex] / [tex]W_{elec}[/tex]
where [tex]W_{elec}[/tex] is the electric input given to the motor
so
[tex]W_{elec}[/tex] = [tex]W_{shaft}[/tex] / [tex]n_{motor}[/tex]
we substitute
[tex]W_{elec}[/tex] = 55950 W / 0.91
= 61483.5 W
= 61.4835 kW
now, the electric input given to the motor due to increased efficiency will be;
[tex]W_{elec-incresed}[/tex] = [tex]W_{shaft}[/tex] / [tex]n_{high-effic}[/tex]
we substitute
[tex]W_{elec-incresed}[/tex] = 55950 W / 0.954
= 58647.79 W
= 58.6477 kW
so the reduction of the heat gain of the room due to higher efficiency will be;
Q = [tex]W_{elec}[/tex] - [tex]W_{elec-incresed}[/tex]
we substitute
Q = 61.4835 kW - 58.6477 kW
Q = 2.8358 kW
Therefore, the reduction in the heat gain is 2.8358 kW
what is in gorilla glue
Answer:
glue
Explanation: