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

Author Question: In order to double fan RPM, the motor horsepower A) Must increase by a factor of 4 (2 2 ) B) ... (Read 41 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
on: Jul 26, 2018
In order to double fan RPM, the motor horsepower
 
  A) Must increase by a factor of 4 (2  2 ) B) Must increase by a factor of 8 (2  2  2 )
  C) Will not be affected by the fan RPM D) Must also double

Question 2

Why should ultraviolet germicidal lamps not be handled with bare hands?
 
  A) The coating on the outside of the lamps is toxic
  B) The oil from your fingerprints can lead to premature failure of the lamp
  C) The exterior UV coating will wipe off, reducing the UV output
  D) The residual UV in the lamp coatings can cause severe burns


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 26, 2018
Answer to Question 1

B

Answer to Question 2

B


Tirant22

  • Member
  • Posts: 532
Reply 2 on: Jul 26, 2018
Wow, this really help

bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

The double-stranded structure of DNA The double-stranded structure of DNA
Mendel's analyses of single-factor crosses Mendel's analyses of single-factor crosses
Primary production increases with an increase in total phosphorus concentration. Primary production increases with an increase in total phosphorus concentration.
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Mean scores for Erikson’s stage V (Identity) for two cohorts. Scores for both cohorts increase ... Mean scores for Erikson’s stage V (Identity) for two cohorts. Scores for both cohorts increase ...
Nesting Sites: A Limiting Factor Nesting Sites: A Limiting Factor
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library