Question
Asked Jan 27, 2020
12 views
Problem 1:
In a Diesel engine, atmospheric air is very quickly compressed to about 1/15 of its
original volume. Estimate the temperature of the air after compression and explain why
Diesel engines do not require spark plugs.
help_outline

Image Transcriptionclose

Problem 1: In a Diesel engine, atmospheric air is very quickly compressed to about 1/15 of its original volume. Estimate the temperature of the air after compression and explain why Diesel engines do not require spark plugs.

fullscreen
check_circle

Expert Answer

Step 1

Given

Initial volume vi = 15 vf

Step 2

Formula used

Physics homework question answer, step 2, image 1
fullscreen
Step 3

Solution

The gas must be at room temperature so Ti = 300 K

Since most air molecules are...

Physics homework question answer, step 3, image 1
fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: Give the geometric meaning of SHM with the help of uniform circular motion.

A: Along the circumference of a circle having radius “a”, particle  A is moving such that the projectio...

question_answer

Q: A refrigerator is to maintain eatables kept inside at 90C. If room temperature is 360C, calculate th...

A: Given:Temperature inside the refrigerator(T1)=90°C=363kRoom temperature(T2) =360°C=633k 

question_answer

Q: Explain referigerators and heat pumps.

A: Refrigerator:The process of removing heat from bodies colder than their surroundings is called Refri...

question_answer

Q: In daily life, we see many cases of people who are caught misrepresenting things and who soon therea...

A: In daily life we come across many people who individual ideas and interceptions which are based on t...

question_answer

Q: Differentiate betwen geostationary and polar satelites.

A:  Geostationay satellites are placed into orbit at a distance of around 35,800 km from the earth’s su...

question_answer

Q: A dielectric slab with thickness d, it is being inserted halfway into the capacitor (covering half t...

A: GivenThickness d = 0.5 c m = 0.5 x 10-2 mCross-sectional area A = 34 cm2 = 34 x 10-4 m2Dielectric co...

question_answer

Q: Choose the correct alternative:(a) If the zero of potential energy is at infinity, the total energy ...

A: Click to see the answer

question_answer

Q: The wavelength of a certain laser is 0.66 microns, where 1 micron = 1 ⋅ 10-6 m.What is this waveleng...

A: Let us take any number say 3.42, if we shift the decimal point to the left, the power of 10 increase...

question_answer

Q: If an explosion takes place at bottom of a lake, will the shock waves in lake be longitudinal or tra...

A: Shock wave is a propagating wave which have travel faster compare to sound wave.