BAPEX 2023

1. FM calculation

% of silt & clay

Coefficient of curvature from sieve analysis.

2. Simply supported Beam Design 

Given data, 

fc', 

fy, 

Dead Load

Live Load

Length=16'

Find the concrete section & steel area.

3. BOD(u) Math

10 mL wastewater is mixed with 990 mL water to dilute. 

Given data, 

Initial DO & DO at 5 days 

K(ebase) at 20°C 

Calculate the ultimate BOD.

4. Aggregate Test Math

To find out the dry density of fine aggregates in laboratory test

a) unit weight at water, ɣ(w)

b) mass of water filled in experimental jar

c) bulk specific gravity of fine aggregate (oven dry)

d) Calculate the dry unit weight & SSD unit weight of fine aggregate.

5. Influence Line Math

IL at A for moment.

Also draw maximum positive moment diagram at the section A-A of the moving car shown in figure.