Question and answer
During the stage of internal-combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, A. the intake valve is open, and the exhaust valve is closed. B. both the intake and exhaust valves are open. C. both the intake and exhaust valves are closed. D. the exhaust valve is open, and the intake valve is closed.
s
During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, both valves will be closed.
Question
Asked 6/17/2019 7:53:58 AM
Updated 364 days ago|8/5/2020 1:05:01 PM
1 Answer/Comment
Get an answer
New answers
Rating
8
During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, both valves will be closed.

Added 364 days ago|8/5/2020 1:05:01 PM
This answer has been confirmed as correct and helpful.
Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
The transmission of heat requiring the movement of a liquid or a gas is A. radiation. B. transduction. C. conduction. D. convection.
Weegy: The transmission of heat requiring the movement of a liquid or a gas is convection. (More)
Question
Updated 118 days ago|4/8/2021 2:30:17 AM
0 Answers/Comments
The main difference between turbojets and rocket engines is the fact that A. rocket engines need oxygen from the air. B. rocket engines aren't dependent on oxygen from the air. C. turbojets aren't dependent on oxygen from the air. D. turbojets carry their own supply of oxygen as oxidizers.
Question
Not Answered
Updated 248 days ago|11/28/2020 4:57:39 PM
1 Answer/Comment
The main difference between turbojets and rocket engines is the fact that rocket engines are not dependent on oxygen from the air.

Added 248 days ago|11/28/2020 4:57:39 PM
This answer has been confirmed as correct and helpful.
Which one of the following substances is a liquid fuel used in rocket engines? A. Potassium perchlorate B. Liquid oxygen C. Ammonia D. Sodium nitrate
Question
Not Answered
Updated 248 days ago|11/28/2020 4:57:54 PM
1 Answer/Comment
Liquid oxygen is a liquid fuel used in rocket engines.
Added 248 days ago|11/28/2020 4:57:54 PM
This answer has been confirmed as correct and helpful.
Convert the temperature 288 K to degrees Celsius. A. 561°C B. 748°C C. –172°C D. 15°C
Weegy: The temperature 288 K converted to degrees Celsius is 15°C. (More)
Question
Updated 6/17/2019 7:16:22 PM
0 Answers/Comments
What's the kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s? A. 6,000 J B. 12,000 J C. 2,940 J D. 5,880 J
Question
Not Answered
Updated 358 days ago|8/11/2020 12:52:12 AM
1 Answer/Comment
The kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s is: 6,000 J.
Solution:
KE = 1/2 * m * v^2
KE = (1/2) * 30 * (20^2)
KE = (1/2) *30* 400
KE = 6000 J
Added 358 days ago|8/11/2020 12:52:12 AM
This answer has been confirmed as correct and helpful.
34,216,877
questions answered
Popular Conversations
Earthquakes can only occur at a fault if the fault experiences ...
Weegy: The area in a fault where stress builds up is called the hypocentre zone.
7/27/2021 3:42:44 AM| 5 Answers
Earthquakes can only occur at a fault if the fault experiences ...
Weegy: The area in a fault where stress builds up is called the hypocentre zone.
8/4/2021 1:04:33 AM| 5 Answers
The _______ biome has trees that lose leaves once each year. The ...
Weegy: Intertidal zone is where the ocean meets the land.
7/30/2021 11:46:25 PM| 5 Answers
What is a collective noun
Weegy: A word used to describe a person, place or a thing. User: Which word in the sentence is an example of an ...
7/30/2021 3:26:41 PM| 3 Answers
In vertebrates, chemical messengers called hormones are secreted by ...
Weegy: User: Describe how and where viruses reproduce and the function of RNA and DNA in this process.
7/30/2021 5:34:10 PM| 3 Answers
The Eighteenth Amendment, "Prohibition," was reversed by the
Weegy: The Eighteenth Amendment, "Prohibition," was reversed by the Twenty-first Amendment. User: Controls given ...
7/26/2021 8:15:46 AM| 3 Answers
NIMS is applicable to all stakeholders with incident related ...
Weegy: NIMS is applicable to all stakeholders with incident related responsibilities. TRUE. User: The _________ is ...
7/27/2021 4:06:34 PM| 3 Answers
Elements of tone include _____. details dialogue imagery setting
Weegy: Elements of tone include dialogue and imagery User: The use of _____ in a story attaches deeper meaning to a ...
7/27/2021 5:44:15 PM| 3 Answers
GET
Answers.
GET THE APP.
weegy*
*
Get answers from Weegy and a team of really smart live experts.
S
L
P
Points 98 [Total 1739] Ratings 1 Comments 88 Invitations 0 Offline
S
L
Points 57 [Total 213] Ratings 2 Comments 37 Invitations 0 Offline
S
L
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
P
1
L
P
1
Points 55 [Total 5460] Ratings 2 Comments 35 Invitations 0 Offline
S
L
Points 43 [Total 442] Ratings 0 Comments 43 Invitations 0 Offline
S
L
Points 38 [Total 512] Ratings 0 Comments 38 Invitations 0 Offline
S
L
Points 35 [Total 138] Ratings 2 Comments 15 Invitations 0 Offline
S
L
Points 34 [Total 557] Ratings 0 Comments 34 Invitations 0 Offline
S
L
1
1
1
1
1
Points 30 [Total 2112] Ratings 3 Comments 0 Invitations 0 Offline
S
Points 23 [Total 23] Ratings 0 Comments 13 Invitations 1 Offline
S
L
1
1
1
Points 11 [Total 3136] Ratings 1 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.