The line normal to the plumb line is known as  

Who is called father of electricity? 

The effect of cohesion on a soil is to 

The kiln which may work throughout the year is  

The factor of safety for 

The area of a sloping surface of a protective embankment of mean height ‘d’, side slopes S : 1 and length ‘L’ is 

How much mile is the Bay of Bengal far from the Nepal? 

The directive principle of the state is mentioned in which article of the constitution?