Correct Answer: For plotting of soundings in harbour area
2. Consider the following methods of preservation of timber : 1. Dipping 2. Brushing or spraying 3. Pressure impregnation The correct sequence in decreasing order of the effectiveness of these methods of preservation is
4. In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (most likely time). What is the variance of is activity?
5. Consider the following statements : A : In masonry, bricks are joined together by cement mortar. B : Cement mortar adheres more effectively to brick surface than any other material.
Options
A. both A and R are true and R is the correct explanation of A
B. both A and R are true but R is not the correct explanation of A
6. Consider the following statements : Collision diagram is used to 1. study accident pattern 2. eliminate accidents 3. determine remedial measures 4. make statistical analysis of accidents Of these statements :
9. The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems : 1. Tarred gasket or hemp yarn in wrapped around the spigot. 2. The sipgot end is centered into the socket end of the preceding pipe. 3. A joining ring end is placed around the barrel and against the face of the socket. 4. The gasket or hemp yarn in caulked slightly. 5. Molten pig lead is poured and then caulked. The correct sequence of these steps is