## Why we don’t use 2-20mA, 1-20mA, 3-20mA or 10-50mA signal instead of 4-20mA ?

Answer : Generally, in a transistor some amount of voltage is required for turning it on…

## How to calculate the flow rate in Vortex flow meter ? What is K factor ? Can you give me an example calculation to understand the same as better ?

Answer : Vortex flow meters are flow sensors that detect the frequency of vortices…

## What is unit operation ?

Answer : In unit operations their is only physical change is occur…

## What is the minimum compressive strength of a brick according to IS codes ?

Answer : Compressive strength test on bricks are meted out to see the load carrying…

## How many steel is require in one sqft area ?

Answer : It relies on the height of the building…

## Calculate the requirements of Sand , Bricks and Cement (per sq.ft) to build a low rise building ?

Answer : This is the method to calculate number of bricks and sand and cement…

## Is excessive curing for brick work is good or bad for the walls ?

Answer : First of all, we make the concrete cube at some mix proposition as M15, M20…