For the following questions answer them individually
10 divisions of vernier scale are equal to 11 divisions of a main scale of each 0.1 mm. What is the least count of the vernier scale?
The hypotenuse allowance (in m) for 30 m long chain,if the slope is 1:10 is __________.
What is the declination if magnetic meridian is towards the western side of the true meridian?
What is the degree of the curve (in degree) for a radius of 573 m using chain of 20 m length?