Instruments/Parts of instruments | Operations | ||
P | Bubble tube | i | Tacheometry |
Q | Plumb bob | ii | Minor movements |
R | Tangent screw | iii | Centering |
S | Stadia cross-wire | iv | Levelling |
For the beam and loading shown in the figure, the second derivative of the deflection curve of the beam at the mid-point of AC is given by \( \frac{\alpha M_0}{8EI} \). The value of \( \alpha \) is ........ (rounded off to the nearest integer).