END OF FIRST SEMESTER EXAMINATIONS
DIPLOMA IN ESTATE MANAGEMENT
DIPLOMA IN ESTATE MANAGEMENT
COURSE: PRINCIPLES OF LAND SURVEYING I COURSE CODE: DEM 117
APRIL 2022
DURATION: 2 hrs
Instruction: Answer all Questions
Question 1
The following compass traverse was carried out in the vicinity of overhead power lines
\begin{tabular}{|l|l|l|l|}
\hline Line & Forward bearing (F.B) & \multicolumn{1}{|c|}{ Back bearing (B.B) } & Distance (m) \\
\hline PQ & \( 22^{\circ} \) & \( 205^{\circ} \) & 32 \\
\hline QR & \( 97^{\circ} \) & \( 272^{\circ} \) & 75 \\
\hline RS & \( 164^{\circ} \) & \( 346^{\circ} \) & 33 \\
\hline ST & \( 235^{\circ} \) & \( 54^{\circ} \) & 21 \\
\hline TU & \( 261^{\circ} \) & \( 82^{\circ} \) & 88 \\
\hline
\end{tabular}
(a) Calculate the corrected bearings (15 marks)
b A line \( A B \) between the stations \( A \) and \( B \) was measured as \( 348.28 \) using a \( 20 m \) tape, too short by \( 0.05 m \). calculate the correct length of \( A B \) if \( A B \) lay on a slope of \( T \) in 25 . \( (10 \) marks)
Question 2
Distinguish between the following pairs of terms:
\( \begin{array}{cl}\text { i. Quadrant bearing and Azimuth } & 5 \text { marks } \\ \text { ii. Constant error and Human error } & 5 \text { marks } \\ \text { iii. Referencing and Detailing } & 5 \text { marks } \\ \text { iv. Accuracy and Precision } & 5 \text { marks } \\ \text { v. Bar scale and Representative fraction scale } & 5 \text { marks }\end{array} \)
Question 3
The readings given in table below were recorded in a levelling operation.
(a) Reduce the levels by the rise and fall method and apply appropriate checks (25 marks)
