What is at the end of a rainbow?

What do you answer even though it never asks you questions?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

I have eight fingers and two thumbs but I do not live. What Am I?

I look at you, you look at me, I raise my right, you raise your left. What am I?