This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A two-way control valve reduces the flow through the coil by: A) Sending some of the flow ... (Read 121 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jul 24, 2018
A two-way control valve reduces the flow through the coil by:
 
  A) Sending some of the flow backwards in the direction it came from.
  B) Closing and reducing the flow through the circuit.
  C) Opening and closing in pulses to vary the flow.
  D) Allowing some of the flow to bypass the coil.

Question 2

How is heat pump Heating Seasonal Performance Factor, HSPF, calculated?
 
  A) HSPF is the ratio of heat output divided by heat input measured at one particular condition.
  B) HSPF is the ratio of heat output divided by heat input averaged for the entire heating season.
  C) HSPF is a measure of heating BTU per watt measured at one particular condition.
  D) HSPF is a measure of heating BTU per watt averaged for the entire heating season.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

D


fahad

  • Member
  • Posts: 570
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Blood flow in artery due to Cholesterol Blood flow in artery due to Cholesterol
Electric Heating Coil Rectification Electric Heating Coil Rectification
Hormonal control of the male reproductive hormones. Hormonal control of the male reproductive hormones.
A steady but low reading could indicate retarded valve or ignition timing. A steady but low reading could indicate retarded valve or ignition timing.
Simplified diagram of information flow (the central dogma) from DNA to RNA Simplified diagram of information flow (the central dogma) from DNA to RNA
Locus control and developmental expression of human globin–complex genes Locus control and developmental expression of human globin–complex genes
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

For a complete list of videos, visit our video library