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

Author Question: What is the required input in watts to operate a 70 efficient 3 horsepower electric motor? A) 3 ... (Read 105 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 26, 2018
What is the required input in watts to operate a 70 efficient 3 horsepower electric motor?
 
  A) 3 HP  746 watts/HP = 2228 watts work done input is the same as work done
  B) 3 HP  746 watts/HP = 2228 watts work done 2228 watts  0.7 = 1560- watts input
  C) 3 HP  746 watts/HP = 2228 watts work done 2228 watts work done / 0.7 = 3183 watts input
  D) The input power cannot be determined without knowing the voltage.

Question 2

How much mechanical force is required to lift a 300 pound compressor 3 feet?
 
  A) 300 pounds / 3 feet = 100 footpounds of force
  B) 300 pounds of force
  C) 300 pounds  3 feet = 900 footpounds of force
  D) Mechanical force alone will not lift the compressor.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tkempin

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 26, 2018
Answer to Question 1

C

Answer to Question 2

C


Shelles

  • Member
  • Posts: 582
Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

A Motor Protein Moves Microtubules in Cilia and Flagella A Motor Protein Moves Microtubules in Cilia and Flagella
The energy input and output of glycolysis. The energy input and output of glycolysis.
Ventromedial Group of Descending Motor Tracts Ventromedial Group of Descending Motor Tracts
The Longevity of Motor Skills The Longevity of Motor Skills
High school science classes are required to use deductive logic High school science classes are required to use deductive logic
Blueberry bees (Osmia ribifloris) are efficient pollinators of a variety of plants, including this b Blueberry bees (Osmia ribifloris) are efficient pollinators of a variety of plants, including this b
Video: First Stage of Labor and Delivery Video

For a complete list of videos, visit our video library