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

Author Question: A heat engine absorbs 64 kcal of heat each cycle and exhausts 42 kcal. (a) Calculate the ... (Read 99 times)

sam.t96

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
A heat engine absorbs 64 kcal of heat each cycle and exhausts 42 kcal.
 
  (a) Calculate the efficiency each cycle.
  (b) Calculate the work done each cycle.

Question 2

Which term in the simplified Drake equations depends on sociological factors?
 
  A) NHP
  B) flife
  C) fciv
  D) fnow


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wilsonbho

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 34
(b) 22 kcal

Answer to Question 2

D


sam.t96

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Menstrual cycle Menstrual cycle
An engine will not run if the air–fuel mixture is either too rich or too lean. An engine will not run if the air–fuel mixture is either too rich or too lean.
Many exhaust manifolds are constructed of pressed steel and are free flowing to improve engine ... Many exhaust manifolds are constructed of pressed steel and are free flowing to improve engine ...
An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ... An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ...
A single cylinder is shown at the top and a four-cylinder engine at the bottom. A single cylinder is shown at the top and a four-cylinder engine at the bottom.
Life cycle of a fern Life cycle of a fern
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library