Capacitor How Power Factor Correction By ?

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A capacitor used for power factor correction in single phase circuit decreases:

Description : A capacitor used for power factor correction in single phase circuit decreases: (1) Power factor (2) Line current (3) Both line current and p.f. (4) The line current and increases p.f. 

Last Answer : A capacitor used for power factor correction in single phase circuit decreases: The line current and increases p.f. 

The 'reset' contacts of the master switch shown in the illustration provides the winch controller with ___________. EL-0102 A. low voltage release B. overload protection C. low voltage protection D. high power factor correction

Description : The 'reset' contacts of the master switch shown in the illustration provides the winch controller with ___________. EL-0102 A. low voltage release B. overload protection C. low voltage protection D. high power factor correction

Last Answer : Answer: C

The operator of electrical motors should keep a constant check on the loads they carry because _____________. A. low loads necessitate frequent insulation cleaning B. exceeding nameplate values shortens useful life C. energy is wasted if full loading is not utilized D. power factor correction methods are load dependent

Description : The operator of electrical motors should keep a constant check on the loads they carry because _____________. A. low loads necessitate frequent insulation cleaning B. exceeding nameplate values shortens ... wasted if full loading is not utilized D. power factor correction methods are load dependent

Last Answer : Answer: B

The device shown in the illustration is a/an ____________. EL-0083 A. noise filtering choke B. autotransformer C. fluorescent light ballast D. power factor correction inductor

Description : The device shown in the illustration is a/an ____________. EL-0083 A. noise filtering choke B. autotransformer C. fluorescent light ballast D. power factor correction inductor

Last Answer : Answer: B

Draw and explain bulk correction method for power factor & control.

Description : Draw and explain bulk correction method for power factor & control.

Last Answer : Bulk correction method for power factor & control: i) Here individual starter controls the capacitors located at distribution panel. ii) Centralized compensation is employed in large industrial plants where many ... capacitor units in steps to maintain P.F. more than preset limit (0.95). 

The benefit of power factor correction in a power system is

Description : The benefit of power factor correction in a power system is (A) lower power consumption (B) increased demand charge (C) reduced load carrying capabilities in existing lines (D) reduced voltage profile

Last Answer : The benefit of power factor correction in a power system is lower power consumption

Capacitors for power factor correction are rated in?

Description : Capacitors for power factor correction are rated in?

Last Answer : Capacitors for power factor correction are rated in kVAR.

For power factor correction, synchronous motors operate at?

Last Answer : For power factor correction, synchronous motors operate at no-load and greatly over-excited fields.

The transfusion of fresh frozen plasma (FFP) is indicated for which of the following reasons? A. Volume replacement. B. As a nutritional supplement. C. Specific coagulation factor deficiency with an abnormal prothrombin time (PT) and/or an abnormal activated partial thromboplastin time (APTT). D. For the correction of abnormal PT secondary to warfarin therapy, vitamin K deficiency, or liver disease.

Description : The transfusion of fresh frozen plasma (FFP) is indicated for which of the following reasons? A. Volume replacement. B. As a nutritional supplement. C. Specific coagulation factor deficiency ... the correction of abnormal PT secondary to warfarin therapy, vitamin K deficiency, or liver disease.

Last Answer : Answer: CD DISCUSSION: The use of FFP as a volume expander is not indicated. There are currently several preparations (both crystalloid and colloid) that are equally effective and do not carry the infectious and ... vitamin K-dependent factors II, VII, IX, and X, as well as protein C and protein S

LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is (A) 0 (B) 1 (C) > 1 (D) < 1

Description : LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is (A) 0 (B) 1 (C) > 1 (D) < 1

Last Answer : (D) < 1

Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for counter flow and parallel flow can be theoretically same when any one of the fluids (hot or cold fluid) passes through the heat exchanger at constant temperature (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs (D) Phase change in case of a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature

Description : Pick out the wrong statement. (A) The controlling resistance in case of heating of air by condensing steam is in the air film (B) The log mean temperature difference (LMTD) for ... a pure fluid at a given pressure from liquid to vapor or vice-versa occurs at saturation temperature

Last Answer : (C) In case of a 1 - 2 shell and tube heat exchanger, the LMTD correction factor value increases sharply, when a temperature cross occurs

The insulation resistance of a DC motor is observed to be 15 MΩ at a temp. of 70°C. what is its value corrected to 40°C. the correction factor for 70°C is 8.0.

Description : The insulation resistance of a DC motor is observed to be 15 MΩ at a temp. of 70°C. what is its value corrected to 40°C. the correction factor for 70°C is 8.0. 

Last Answer : Observed resistance at 70°C – 15 MΩ. Temperature correction factor – 8. Rm = kt * Rt           kt – correction factor. Rm = 8 * 15          Rt – resistance measured at +°C. Rm = 120 MΩ.       Rm – corrected value to 40°C The IR of DC motor corrected to 40°C is 120 MΩ. 

It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is (A) > 0.75 (B) < 0.75 (C) < 0.50 (D) < 0.25

Description : It is not recommended to use a 1-2 shell and tube heat exchanger for a particular heat duty, whenever the LMTD correction factor is (A) > 0.75 (B) < 0.75 (C) < 0.50 (D) < 0.25

Last Answer : (B) < 0.75

LMTD can't be used as such without a correction factor for the (A) Multipass heat exchanger (B) Baffled heat exchanger (C) Condensation of mixed vapour in a condenser (D) All (A) (B) and (C)

Description : LMTD can't be used as such without a correction factor for the (A) Multipass heat exchanger (B) Baffled heat exchanger (C) Condensation of mixed vapour in a condenser (D) All (A) (B) and (C)

Last Answer : (D) All (A) (B) and (C)

For a multipass shell and tube heat exchanger, the LMTD correction factor is always (A) 1 (B) > 1 (C) < 1 (D) Between 1 & 2

Description : For a multipass shell and tube heat exchanger, the LMTD correction factor is always (A) 1 (B) > 1 (C) < 1 (D) Between 1 & 2

Last Answer : (C) < 1

The kinetic energy correction factor for velocity distribution of laminar flow is (A) 0.5 (B) 1.66 (C) 1 (D) 2

Description : The kinetic energy correction factor for velocity distribution of laminar flow is (A) 0.5 (B) 1.66 (C) 1 (D) 2

Last Answer : (B) 1.66

Momentum correction factor used in fluid flow problems accounts for the (A) Change in direction of flow (B) Change in total energy (C) Change in pressure (D) Non uniform direction of velocities at inlet & outlet sections

Description : Momentum correction factor used in fluid flow problems accounts for the (A) Change in direction of flow (B) Change in total energy (C) Change in pressure (D) Non uniform direction of velocities at inlet & outlet sections

Last Answer : (D) Non uniform direction of velocities at inlet & outlet sections

The momentum correction factor for the velocity distribution of laminar flow is (A) 1.3 (B) 1.66 (C) 2.5 (D) None of these

Description : The momentum correction factor for the velocity distribution of laminar flow is (A) 1.3 (B) 1.66 (C) 2.5 (D) None of these

Last Answer : (D) None of these

For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory (A) Is always less than 1 (B) Is always greater than 1 (C) Can be more than 1 (D) Can be less than 1

Description : For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory (A) Is always less than 1 (B) Is always greater than 1 (C) Can be more than 1 (D) Can be less than 1

Last Answer : Answer: Option A

Wahl suggested the correction in the stress factor to account for a. the additional transverse shear stress b. stress concentration c. fatigue stress d. axial stress

Description : Wahl suggested the correction in the stress factor to account for a. the additional transverse shear stress b. stress concentration c. fatigue stress d. axial stress

Last Answer : b. stress concentration

Capacitors can be used in electric distribution systems to improve power factor. This is accomplished by seesawing energy between the capacitor and the _____________. A. generator B. inductive loads C. resistive loads D. all of the above

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Power factor of an inductive circuit is usually improved by connecting capacitor to it in?

Description : Power factor of an inductive circuit is usually improved by connecting capacitor to it in?

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How does a capacitor improve power factor?

Description : How does a capacitor improve power factor?

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On what factor voltage rating of the capacitor depend?

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What is capacitor? On what factor capacity of a capacitor depends?

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An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor

Description : An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor of the circuit is :  (A) 100/11 (B) 11/100 (C) 110 (D) 1000

Last Answer : An inductor of Q factor 10 is connected in series with a capacitor having a Q factor of 100. The overall Q factor of the circuit is : 100/11

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Will auto type, and auto sentence correction ever evolve into auto paragraph or auto thesis?

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How to understand color correction scopes?

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Do you see a correction film option on this typewriter?

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Why on earth do people (correction: girls) wear layers and layers of thick clothing to the gym?

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Last Answer : People still do, it sheds water weight. Not to mention, there are higher levels of insecurity at a gym for women than men, usually. The more you’re wearing the less people can see, women and men do it in their lives beyond the gym as well.

Correction from previous: If you pull up a email on your laptop with a photo attachment, and then erase the email. Will the photo still be in your Internet cache?

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What is edge-correction ?

Description : What is edge-correction ?

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How to turn off auto correction on mobile ?

Description : How to turn off auto correction on mobile ?

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How to fix automatic spelling correction ?

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Birth Registration Correction About To know Would like

Description : Assalamu Alaikum , me Currently Tenth Class In Study Doing ( regularly ) Shadow ), next 2020 In Held S. _ S. _ C On examination I Participation I will _ Birth registration Of With S. _ S. _ C Examination ... right By Take it _ What? To do Will you go ? Please Mine The question Wow Day ... Thanks

Last Answer : You Yours Area Union In the council Going Communication Please. Also Birth registration Certificate Related Any Problems For Government Helpline 333 _ Call By Yours Problems Lift up To catch You can. And That's right Information Knowingly To take You can.

Which Lower Back Support Belt Supports Posture Correction and Pain Relief?

Description : Which Lower Back Support Belt Supports Posture Correction and Pain Relief?

Last Answer : a belt or a back belt can help you maintain proper posture because it support your backbone from tension from your body weight.

Correction Officer Jobs?

Description : Correction Officer Jobs?

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no correction needed?

Description : no correction needed?

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The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ

Description : The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ

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For correction of iron chlorosis in rice, following spray is recommended

Description : For correction of iron chlorosis in rice, following spray is recommended

Last Answer : Ans.1%solution of ferrous sulphate

Which of the following statements about head injury and concomitant hyponatremia are true? A. There are no primary alterations in cardiovascular signs. B. Signs of increased intracranial pressure may be masked by the hyponatremia. C. Oliguric renal failure is an unlikely complication. D. Rapid correction of the hyponatremia may prevent central pontine injury. E. This patient is best treated by restriction of water intake.

Description : Which of the following statements about head injury and concomitant hyponatremia are true? A. There are no primary alterations in cardiovascular signs. B. Signs of increased intracranial pressure may be ... central pontine injury. E. This patient is best treated by restriction of water intake.

Last Answer : Answer: A DISCUSSION: Acute symptomatic hyponatremia is characterized by central nervous system signs of increased intracranial pressure. Changes in blood pressure and pulse are secondary to ... lead to central pontine myelinolysis. Oliguric renal failure may rapidly develop in severe hyponatremia

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Description : The last step of communication process is– (A) Controlling (B) Implementation (C) Correction (D) Reaction

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The 'E/P converter' shown in the illustration receives a _____________. EL-0096 A. steady pressure signal and produces a programmed electrical output B. variable electrical signal and produces a corresponding pressure output C. steady electrical signal and produces an inverse temperature correction D. variable pressure signal and produces a corresponding electrical output

Description : The 'E/P converter' shown in the illustration receives a _____________. EL-0096 A. steady pressure signal and produces a programmed electrical output B. variable electrical signal ... an inverse temperature correction D. variable pressure signal and produces a corresponding electrical output

Last Answer : Answer: B

ECE Board Exam March 1996 Passive crossover components cause some frequencies to be delayed with respect to the other frequencies at the crossover point. A. Phase shift B. Phase correction C. Phase-error correction D. Time alignment

Description : ECE Board Exam March 1996 Passive crossover components cause some frequencies to be delayed with respect to the other frequencies at the crossover point. A. Phase shift B. Phase correction C. Phase-error correction D. Time alignment

Last Answer : A. Phase shift