Accuracy of elevation of various points obtained from contour map is limited to 

Who promulgated theory X and theory Y? 

According to I.S.: 456, the number of grades of concrete mixes, is 

The technique which is activity oriented is 

What is the minimum number of different colours required to paint he given figure such that no two adjacent regions have…

Forepoling method is generally adopted for tunneling in 

Who discovered electric generator? 

Which of the following is not another name of Hoe ?