Q101: The lateral distance of an object measured from a survey line is known as a(n):
- Offset
- Check line
- Chainage
- Station
Correct Answer: A. Offset
Q102: Which type of triangle is considered "ill-conditioned" in chain surveying?
- Equilateral
- Isosceles
- Having an angle less than 30° or more than 120°
- Right-angled
Correct Answer: C. Having an angle less than 30° or more than 120°
Q103: Which of the following is NOT a primary piece of equipment for chain surveying?
- Chain or Tape
- Theodolite
- Ranging Rods
- Arrows
Correct Answer: B. Theodolite
Q104: A steep hill that obscures the view between two stations is an example of:
- An obstacle to chaining but not ranging
- An obstacle to ranging but not chaining
- An obstacle to both chaining and ranging
- A compensable obstacle
Correct Answer: B. An obstacle to ranging but not chaining
Q105: The process of establishing intermediate points on a straight line between two end points is called:
- Chaining
- Ranging
- Offsetting
- Traversing
Correct Answer: B. Ranging
Q106: If a chain is found to be too long, it can be adjusted by:
- Straightening links
- Inserting new rings
- Removing some of the circular rings
- Flattening the rings
Correct Answer: C. Removing some of the circular rings
Q107: The hypotenusal allowance, used in slope measurement, is always:
- Subtractive
- Additive
- Either additive or subtractive
- Zero
Correct Answer: B. Additive
Q108: How many arrows are typically supplied in a standard set for chaining?
Q109: When measuring a line between two points A and B which are not intervisible, the method of ranging used is:
- Direct Ranging
- Indirect Ranging (Reciprocal Ranging)
- Random Ranging
- Horizontal Ranging
Correct Answer: B. Indirect Ranging (Reciprocal Ranging)
Q110: Main survey stations should be located so that they are:
- Mutually visible
- As far apart as possible
- In a straight line
- Close to the survey boundary
Correct Answer: A. Mutually visible
Q111: The error caused by not aligning the chain correctly between two stations is:
- Cumulative and positive
- Cumulative and negative
- Compensating
- A personal mistake
Correct Answer: A. Cumulative and positive
Q112: In a survey plot, if a check line measures shorter on the drawing than its calculated field length, it may indicate:
- The framework has expanded
- The framework has shrunk or the main lines are too long
- The check line was measured incorrectly
- The scale of the plot is wrong
Correct Answer: B. The framework has shrunk or the main lines are too long
Q113: What is the main disadvantage of a simple cloth or linen tape?
- It is expensive
- It is heavy
- It stretches and is affected by moisture
- It is difficult to read
Correct Answer: C. It stretches and is affected by moisture
Q114: A wooden peg is primarily used in chain surveying for:
- Marking survey station locations on the ground
- Marking the end of each chain length
- Sighting during the ranging process
- Holding the field book steady
Correct Answer: A. Marking survey station locations on the ground
Q115: What is the limiting length of an offset if the scale is 1 cm = 20 m and the maximum allowable error on paper is 0.25 mm?
Q116: Which of these instruments is an optical alternative to a cross-staff for setting out right angles?
- Clinometer
- Optical Square
- Planimeter
- Sextant
Correct Answer: B. Optical Square
Q117: Tallies are fixed at every _______ metre length in a 30m metric chain.
Q118: If an offset is laid out 5° from its true direction, what is the displacement on paper parallel to the chain line for a 15m offset at a scale of 1cm = 5m?
- 0.11 cm
- 0.26 cm
- 0.01 cm
- 0.91 cm
Correct Answer: B. 0.26 cm
Q119: The main lines of a survey should be run through _______ ground as far as possible.
- Hilly
- Level and open
- Obstructed
- Marshy
Correct Answer: B. Level and open
Q120: How many main types of obstacles in chaining are generally classified?
Q121: When it is possible to chain around an obstacle like a pond, which category of obstacle is it?
- Obstacle to ranging
- Obstacle to chaining but not ranging
- Obstacle to both chaining and ranging
- Obstacle to plotting
Correct Answer: B. Obstacle to chaining but not ranging
Q122: To pass a river obstacle, equal perpendiculars AC and BD are set out from points A and B on the line. The obstructed distance AB is equal to:
Q123: The 'follower' in a chaining party is responsible for:
- Dragging the chain forward
- Picking up the arrows and noting the chainage
- Setting the ranging rods
- Booking the measurements
Correct Answer: B. Picking up the arrows and noting the chainage
Q124: Which chain is particularly useful for cadastral surveys?
- Engineer's Chain
- Revenue Chain
- Gunter's Chain
- Metric Chain
Correct Answer: B. Revenue Chain
Q125: Hypotenusal allowance is given by the formula (where L is length and θ is the slope angle):
- L(secθ - 1)
- L(cosθ - 1)
- L(1 - cosθ)
- L(tanθ - 1)
Correct Answer: A. L(secθ - 1)
Q126: A metallic tape is made of:
- Steel
- Invar
- Cloth reinforced with brass or copper wires
- Fiberglass
Correct Answer: C. Cloth reinforced with brass or copper wires
Q127: Which of the following is considered a blunder or mistake in chaining?
- Error due to sag
- Misreading the chainage by one full chain length
- Error due to temperature change
- Error in slope correction
Correct Answer: B. Misreading the chainage by one full chain length
Q128: The degree of accuracy for measuring an offset should be consistent with the:
- Scale of the plot
- Length of the main line
- Type of chain used
- Time of day
Correct Answer: A. Scale of the plot
Q129: Ranging by eye is suitable for:
- Long lines over undulating ground
- Short, clear lines on level ground
- Lines across a valley
- When high accuracy is required
Correct Answer: B. Short, clear lines on level ground
Q130: The framework of a chain survey consists of a series of connected:
- Rectangles
- Squares
- Triangles
- Circles
Correct Answer: C. Triangles
