Write briefly :

a$)$ List the methods of soil e$.$ploration.

b$)$ What are the different types of so il samplers?

c$)$ Calculate the depth of Tension crack for $c-$ soil having $C=20$MPa and $=18$Mpa

d$)$ Calculate Active Earth pressure for soil having $=28$ and height of fili $7\mathrm{.}5m$ with $=20k\frac{N}{m^3}$

e$)$ Differentiate between Pressure Bulb and Isobar.

f$)$ Write application utility of Fender piles.

g$)$ Give three assumptions made by Westergaard's equation for point load.

h$)$ What are Allowable settlement values for Structures as per IS code?

i$)$ State uncer which conditions Well foundations are to be used?

j$)$ Define Tilt and Shift phenomenon acting on wells.

All these are $2$ marks questions please as soon as possible