Answer:
Due to power factor correction; voltage regulation is improved and efficiency is increased.
Explanation:
Power Factor Vs Voltage Regulation:
When the power factor is improved, the current in the system decreases as power factor and current have inverse relation.
When current decreases, the corresponding voltage drops in the system decreases as the voltage and current are directly proportional.
Since the voltage drop decreases, the voltage regulation improves since the voltage regulation is given by
Voltage regulation = (Vin - Vout)/Vout x 100%
Vout will be greater due to less voltage drop.
Power Factor Vs Efficiency:
Efficiency is given by
η = Pout/Pin
but Pin = Pout + Plosses
η = Pout/Pout + Plosses
When power factor is improved, the current decreases, the decrease in current reduces the power losses since the losses are directly proportional to the square of current (I²R) therefore, decrease in Plosses results in the increased efficiency of the system.
Answer: d) Inductors
Explanation: Inductors are the electric component commonly known by the name of coils as well. The work done by inductors is when the electric current flows through the coils of the wire then there is production of the magnetic field. They are the component that have the inductance in particular amount according to the circuit.So, coils of various dimensions are designed to introduce specified amount of inductance into a circuit are called inductors.
The statements regarding the refrigeration system as expressed by the technicians are correct. Hence, the correct statement is Option c.
<h3>What is a refrigeration system?</h3>
Refrigeration systems are a crucial process in the industry and home applications as they carry out cooling or keep the room temperature at a preferred value.
The missing information in the question is:
A.technician A only
B.technician B only
C.both A and B
D.neither A or B
Hence, The statements regarding the refrigeration system as expressed by the technicians are correct. the correct statement is Option c.
Learn more about Refrigeration systems:
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Answer:
froce by 6 gallon liquid on moon surface is 2.86 lbf
Explanation:
given data:
at earth surface
volume of an incompressible liquid = Ve = 25 gallons
force by liquid = 70 lbf
on moon
volume of liquid = Vm = 6 gallons
gravitational acceleration on moon is am = 5.51 ft/s2
Due to incompressibility , the density remain constant.
mass of liquid on surface of earth
mass = 2.173 pound
froce by 6 gallon liquid on moon surface is
Fm = mass * acceleration
= density* volume * am
= 0.0869 *6* 5.51
= 2.86 lbf
Answer:
Define the problem
I hope this helps!
Explanation:
The problem must be know before you can develop and solution, generate concepts, or construct and test a prototype
