Recent questions tagged distance-and-angle-measurement

Among the following statements relating the fundamental lines of a transit theodolite, which one is CORRECT?The line of collimation must be perpendicular to the horizonta...

A horizontal angle $\theta$ is measured by four different surveyors multiple times and the values reported are given below.$$\begin{array}{|lc|cI|cI|cI|cI|cI|}\hline&\tex...

Which of the following is/are correct statement$\text{(s)}$?Back Bearing of a line is equal to Fore Bearing $\pm 180^{\circ}$If the whole circle bearing of a line is $270...

A theodolite is set up at station $A$. The $RL$ of instrument axis is $212.250\: m$. The angle of elevation to the top of a $4\: m$ long staff, held vertical at station $...

A survey line was measured to be $285.5 \: m$ with a tape having a nominal length of $30 \: m$. On checking, the true length of the tape was found to be $0.05 \: m$ too ...

The reduced bearing of a $10 \: m$ long line is $N 30^{\circ}E$. The departure of the line is$10.00 \: m$$8.66 \: m$$7.52 \: m$$5.00 \: m$

The staff reading taken on a workshop floor using a level is $0.645$ m. The inverted staff reading taken to the bottom of a beam is $2.960$ m. The reduced level of the fl...

The vertical angles subtended by the top of a tower T at two instrument stations set up at P and Q, are shown in the figure. The two stations are in line with the tower a...

Two Pegs A and B were fixed on opposite banks of a $50$ m wide river. The level was set up at A and the staff readings on Pegs A and B were observed as $1.350$ m and $1.5...

In a survey work, three independent angles $X, Y$ and $Z$ were observed with weights $W_X, W_Y, W_Z$,respectively. The weight of the sum of angles $X, Y$ and $Z$ is given...

In a region with magnetic declination of $2^{\circ}E$, the magnetic Fore bearing (FB) of a line $AB$ was measured as $N79^{\circ}50’E$. There was local attraction at $A$....

A tacheometer was placed at point $P$ to estimate the horizontal distances $PQ$ and $PR$. The corresponding stadia intercepts with the telescope kept horizontal, are $0.3...