Answer: True
Explanation: There are different actions that are performed on the metal sheet . Cutting operation is the operation of splitting,slitting or parting of the metal sheet on the by using different kind of blades . Formation operation are basically for the exerting pressure on the sheet to give it desired shape such as bending, squeezing etc. Therefore the given statement is true.
This question is incomplete, its missing an image which will be uploaded along this Answer.
Answer:
the normal component of force F_n is F((√(r²-s²)) / r)
the tangential component of force F_t is F(s/r)
Explanation:
Given the data in the image;
from the free body diagram, we write the expression for ∅
sin∅ = s/r
cos∅ = (√(r²-s²)) / r
now expression for normal component of force is;
F_n = Fcos∅
we substitute
F_n = F((√(r²-s²)) / r)
Therefore, the normal component of force F_n is F((√(r²-s²)) / r)
Also for force F_t
F_t = Fsin∅
we substitute
F_t = F(s/r)
Therefore, the tangential component of force F_t is F(s/r)
Answer:
The correct answer is OPTION A (the turbine work output will decrease.)
Explanation:
In open feedwater heaters, there is a mixing of cold feedwater and steam which raise the temperature of feed water causing the fluid average temperature to rise and thereby increasing the thermodynamic efficiency of the cycle.
In a simple ideal Rankine cycle, heating of the water is converted into work done by the cycle in potential and kinetic energy forms. If there is a fixed boiler flow rate, and the simple ideal Rankine cycle is modified with regeneration, turbine work output, and heat supplied, will decrease.
Answer:
A magnetic field of changing intensity perpendicular to a wire will induce a voltage along the length of that wire. The amount of voltage induced depends on the rate of change of the magnetic field flux and the number of turns of wire (if coiled) exposed to the change in flux.
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