Correct answer
A. hardness in water
Explanation
The correct answer is hardness in water.
Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement?
What characteristic best describes the cost baseline?
If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be________?
The resultant upward pressure of the fluid on an immersed body is called________?
1% of voids in a concrete mix would reduce its strength by about________?
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between________?