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073105T4LAS
LAND SURVEYOR LEVEL 5/ 249
LSM/OS/LS/CC/02/5/A
OPERATE SURVEY INSTRUMENTS
NOVEMBER 2024
MUKURWEINI TECHNICAL TRAINING INSTITUTE
FORMATIVE ASSESSMENT
WRITTEN ASSESSMENT
Time: 3 Hours
INSTRUCTIONS TO CANDIDATE
This paper consists of TWO sections A and B.
Answer ALL questions in sections A and any THREE questions in section B in the answer
booklet provided.
Marks for each question are indicated in brackets.
Do not write on this question paper.
Answer the questions in English.
This paper consists of Four (4) printed pages.
Candidates should check the question paper to ascertain that all the pages are printed as
indicated and that no questions are missing.
Page 1 of 4
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SECTION A (40 MARKS)
Attempt all questions in this section
1. Chains have a variety of surveying applications from mapping out land boundaries to planning
construction projects. With the aid of a diagram name the parts of a chain. (4Marks)
2. Maintaining survey instruments ensures accuracy and safety in surveying operations. Outline
three ways of maintaining linear measuring instruments in surveying.
(3Marks)
3. The length of a line measured on a slope of 15° was recorded as 550m.But it was found that
the 20 m chain was 0.05m too long. Calculate the true horizontal distance of the
line.(5Marks)
4. Survey instruments are maintained to ensure accuracy in survey projects. Highlight four
ways of maintaining linear measuring instruments in surveying.
(4Mark)
5. Accuracy and precision are very crucial in linear measurements. Differentiate between the
two terms giving an example.
(5Marks)
6. Measuring chains are tools used for measuring longer distances and useful for large scale
projects. Discuss cases where chains are suitable.
(5Marks)
7. Errors in levelling can arise from a variety of sources. List out the various sources of errors in
levelling (4Marks)
8. Chain surveying is a traditional method of land surveying. State four types of chains used in
surveying
(4Marks)
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9. Instruments are key in land surveying work. As a land survey student define the term survey
instrument
(2Marks)
10. In survey we use tools to help streamline development, testing and deployment processes when
working angular measurements. Outline four care and maintenance of angular equipment
(4Marks)
SECTION B (60 MARKS)
(Answer any THREE questions in this section)
11.
a) Tapes come in various types and each suited for various surveying applications. Briefly
explain any three types of tapes used in chain surveying. (6 Marks)
b) Chain is an important instrument used in linear measurements. Briefly explain any
three types of chains.
(6Marks)
c) Errors in angular measurements arise from various sources. State and explain any
four of these errors.
(8Marks)
12.
a) When using linear measurements in surveying, errors occur due to various factors such
as instrument, environmental and human errors. Discuss the three types of errors.
(12Marks)
b) Chain and tape corrections ensures reliability of survey measurements. With the aid of
relevant formulas briefly explain four types of chain and tape corrections. (8 Marks)
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13.
a) Tapes are flexible measuring tools used for linear measurements. They are used for
construction and fields where accurate length measurement is required. Highlights the
different types of tapes giving their advantage and disadvantages in each. (10Marks)
b) Measuring chains are valuable tools for specific applications particularly in surveying
whereby they have distinct merits and demerits. Highlight five advantages and
disadvantages respectively. (10Marks)
14.
a) Linear measurements are a concept used to determine length or distance. Different
equipment’s are used to measure the distance. With an aid of diagram state, the
equipment used.
(12Marks)
b) Discuss the following methods of linear measurements (8Marks)
i. Optical distance measurement (ODM)
ii. Sonic distance measurement(SDM)
iii. Electromagnetic distance measurements(EDM)
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