By sharing posts in Google+ it will help you to get you more traffic to get fast you must add new friends.
yes it is good if you are doing post in Google+ and also like other posts...it is helpful to increase your traffic
yes Ofcourse , it will increase traffic on your site ...but for this you have to enlarge your circle and friend list also because friends are only the way that like and share your post among all their friends also .so for getting popularity you may concentrate on it.
it will bring you traffic and visitors. You should update. It is always advisable to udpate the social media contents through your URL's and blogs
yes it is very usefull for you o post new blogs are any blogs to your Google+ it helps more when you have more traffic in your Google+ account.
In order to correctly choose your perfect social media combination of platforms, you have to know what your main purpose is. What’s your goal? Maybe you want more traffic, maybe you want to increase sales or visibility or maybe you want to raise your brand awareness. When it comes to social media, you can’t properly choose your platforms unless you know where your customers are. Find out what social networks your clients use, where they like to get their information, and what daily online habits they have. That way, you will know where’s the place to be in social media for your company, when it is better to approach your customers online and what information they might find relevant. If you want to find out more information about this topic, I recommend you to read this article (rogosocial.com/how-to-choose-your-perfect-combination-of-social-media-platforms). Good luck!
If you have a base of people already on Google+ then it will help you because you can get direct traffic. I am not sure if it helps your backlinks much to post it up on Google+.
Google+ is a social networking site and more you share things there, more you get traffic. You should share your things on Google+ to get more traffic I believe.
Sharing Your new blog post at Google is always helpful not only for your blog but for the user too. Sometimes we user may not be updated with new blog and updating it at Google Plus you would help the user too. And if your blog post is good then you would gain traffic and ranking at SERP easily.