What is a diesel knock?

Introduction. It is the high pressure-rise rates associated with the auto-ignition of fuel during the premixed combustion stage that produces the characteristic "knocking" noise widely associated with diesel engines. This noise is often referred to as diesel knock [1] or combustion roughness [2].

Read more

What does the Bible say about knocking at the door?

Knock (and keep knocking) and the door will be opened for you. For everyone who asks (and keeps on asking) receives. He who seeks (and keeps on seeking) finds. To him who knocks (and keeps on knocking) the door will be opened. What do you do when someone knocks on your door at 3am?

Should I answer the door when someone knocks?

Should you answer the door when a stranger knocks? The short answer is yes, however, answer from behind a locked door. The reason for this is, many thieves knock on the door to find out if someone is at home. If someone answers, they avoid the house because they are looking for an easy target. One may also ask how do you know when god opens a door? The Bible gives us some principles to help us discern if an ""open door"" or opportunity is really from God: The Door that God Opens Will Never Contradict His Word. The Door that God Opens Will be Accompanied by Confirmation. The Door God Opens Will Require You to Depend on Him.

Correspondingly, what can a door symbolize?

Doorways have been symbols of new life, of birth - of a doorway to the world. They have also however been symbols of death, of passing from this life to the next (or to whatever waits beyond the door), of others who are already there. An open door can represent welcome, invitation, encouragement. Then, what does doors stand for? DOORS is an acronym for Dynamic Object-Oriented Requirements System.