**1. The method of tacheometry commonly used is ___.**

[A] Fixed stadia system

[B] Movable stadia system

[C] Tangential stadia system

[D] Transiting stadia system

**Answer: Option A**

**2. Stadia tachometry is based on the principle that**

[A] Trigonometrical formulae can be used to calculate distances from vertical angles

[B] intercepts measuring rods on proportional to the distance

[C] horizontal distances vary linearly as vertical angles are

[D] knowing the side and two angles of a triangle, another side can be calculated

**Answer: Option B**

**3. The multiplying constant in the distance formula by tacheometry is given by**

[A] Focal length of the objective lens divided by the distance between the stadia wires

[B] Focal length of the objective lens multiplied by the distance between the stadia wires

[C] Stadia intercept divided by the focal length of the objective lens

[D] Stadia intercept multiplied by the focal length of the objective lens

**Answer: Option A**

** **

**4. The poles of the celestial horizon are called ____.**

[A] Zenith and Nadir

[B] North and South poles

[C] Perihelion and aphelion

[D] Perigee and apogee

**Answer: Option A**

** **

**5. Distortions in aerial photographs is caused by ____.**

[A] large distance between camera and the object

[B] faulty camera lenses

[C] tilt and ground relief

[D] lack of focus during photography

**Answer: Option C**