GATE Geomatics Engineering Practice Quiz

Question 1

A total station is set up at point $P$. The slope distance to a prism at point $Q$ is measured as $500.000\,\text{m}$ and the zenith angle is $87^\circ 00'00''$. Neglecting curvature and refraction, the horizontal distance $PQ$ is closest to

Accepted Answer

$499.31\,\text{m}$

Question 2

In a closed traverse, the computed algebraic sums of latitudes and departures are $\sum L=+0.24\,\text{m}$ and $\sum D=-0.32\,\text{m}$, respectively. If the total traverse length is $2000\,\text{m}$, the relative precision of the traverse is

Accepted Answer

$1:5000$

Question 3

For a vertical aerial photograph taken with focal length $f=152\,\text{mm}$ from a flying height of $3040\,\text{m}$ above mean terrain, the nominal photo scale is

Accepted Answer

$1:20000$

Question 4

A GNSS receiver tracks code on $L1$. If the measured code phase uncertainty is $0.01$ chip and the $C/A$ code chipping rate is $1.023\,\text{MHz}$, the corresponding one-sigma range precision is approximately

Accepted Answer

$2.93\,\text{m}$

Question 5

A sensor records spectral radiance in $12$-bit quantization. Compared to an $8$-bit sensor over the same radiance range, the number of distinct digital levels is larger by a factor of

Accepted Answer

$16$

GATE Geomatics Engineering

Practice Quizzes

GATE Geomatics Engineering Practice Quiz

Map Projections and Distortions Fundamentals | GATE Geomatics Engineering