AMC520S - AGRICULTURAL MECHANISATION - 1ST OPP - JUNE 2025


AMC520S - AGRICULTURAL MECHANISATION - 1ST OPP - JUNE 2025



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nAm I BIA un IVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTY OF HEALTH, NATURAL RESOURCES AND APPLIED SCIENCES
DEPARTMENT OF AGRICULTURAL SCIENCES AND AGRIBUSINESS
QUALIFICATION: BACHELOR OF SCIENCE IN AGRICULTURE
QUALIFICATION CODE: 07BAGA
LEVEL: 7
COURSE CODE: AMC520S
COURSE NAME: AGRICULTURAL MECHANISATION
SESSION: JUNE 2025
DURATION: 3 HOURS
PAPER: THEORY {PAPER 1)
MARKS: 100
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S) Mr. H.TJIKURUNDA
MODERATOR: Mr. J. AMUTENYA
INSTRUCTIONS
1. Answer ALL the questions.
2. Read all the questions carefully before answering.
3. Number the answers clearly
THIS QUESTION PAPER CONSISTS OF 7 PAGES {Including this front page)

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SECTION A: TRUE OR FALSEQUESTIONS
QUESTION 1: State whether the following statements are TRUE or FALSE.Write the number of
the question and either True or False next to the number.
1.1 Safety at the workplace ensures workers remain vigilant and take appropriate
measures to ensure they do not get injured while performing work.
1.2 Hazard identification is the first step in the risk management process.
1.3 The goal of hazard identification is to train workers about possible hazards that may
be present in their workplace.
1.4 Risk analysis involves determining the likelihood and consequences of a hazard
causing harm.
1.5 To prevent vehicle-related accidents at work, all implements that are improperly
fastened must be towed.
1.6 The function of the fuel pump is to store and keep enough fuel for the duration of
the journey.
1.7 The component of a vehicle that receives petrol and mixes it with air in the correct
proportion is called the carburetor.
1.8 It is unnecessary to involve individuals unfamiliar with the work area during hazard
identification.
1.9 The alternator on the vehicle changes some of the engine's electrical energy to
mechanical energy.
1.10 The ignition system provides a powerful electrical spark to ignite the fuel mixture in
the cylinder for the vehicle to start.
1.11 The wire assemblies are the most important part of any fence.
1.12 Intermediate posts perform only one function: to guide the line wires off the ground
at the correct spacing.
1.13 Fencing material should conform to the standards and regulations of the suppliers.
1.14 One of the main elements of a fence is the strainer assembly.
1.15 There are two main strainer assembly designs, the diagonal stays and the box.
1.16 One way employers can reduce workplace noise is to install acoustic materials on
walls and ceilings to enclose sound.
1.17 It is the sole responsibility of employers to ensure that workers are safe at the
workplace.
1.18 The function of the vehicle's lubrication system is to prevent overheating after a
long journey.
1.19 One of the ways to treat snakebites is to wipe the venom from the wound.
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1.20 One of the advantages of an electrical fence is its low visibility.
SECTION A: SUBTOTAL [20]
[20 MARKS]
SECTION B: MULTIPLE CHOICE QUESTIONS
QUESTION 2: Choose the correct/appropriate/relevant
question and the letter only).
answer. (Write the number of the
2.1 Which of the following is not a recommended method to treat snake bites?
a) Wipe venom from the wound
b) Apply a tourniquet
c) Kill the snake that is involved and take it to the health facility
d) Immobilise the limb
2.2 Which of the following is not a function of the exhaust system?
a) Leads burnt gas away from the engine
b) Reduces noise
c) Gas inlet into the chamber to save passengers
d) Convert harmful gases
2.3 Which of the following does not apply to electrified fencing?
a) Wire strands
b) Lightning protector
c) Thermostat
d) Energizer
2.4 The harm that a health hazard will cause depends on various factors. Which of the
following is correct?
a) The amount of the agent that is present
b) The size of your body
c) Time of day that you are exposed to the hazard
d) The condition of the environment during the hazard
2.5 One of the following is not a component of the vehicle's cooling system, Which
one?
a) Fan
b) Fanbelt
c) Timing belt
d) Radiator
2.6 One of the advantages of an electrical fence is that;
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a) It requires low maintenance, provided that the fence is correctly planned
and erected.
b) It uses a lot of electricity
c) It works in all weather conditions.
d) Anyone can afford it.
2.7 The following are examples of zoonotic diseases that farmers may contract,
except one. Which one?
a) Psittacosis
b) Cryptosporidiosis
c) Lymphoma
d) Rabies
2.8 The following are worker infection control measures for zoonotic diseases.
Choose the most appropriate one.
a) Isolating diseased animals.
b) Appropriate use of personal protective equipment (e.g., gloves and outer
protection, facial and respiratory protection).
c) Track aggressive animals so that restraints may be used when necessary.
d) Call in a veterinarian to assist with the control
2.9 Which of the following is a component of the drive train?
a) ABS
b) SRS
c) Rear Axle
d) AC/Airconditioning
2.10 Provide the reason for giving first aid or administering first aid to a casualty.
a) Prevent the condition from worsening.
b) It's a requirement of the Labour Act.
c) The casualty is a co-worker.
d) It is a humanitarian act of kindness.
2.11 ABC in first aid stands for?
a) Airbag, Breathing, Circulation
b) Airways, Blood, Circulation
c) Airways, Breathing, Circulation
d) Airway, Blood, Control
2.12 What is your initial reaction in an emergency to render first aid?
a) Control bleeding before moving the patient
b) Call the ambulance
c) Secure the scene
d) Identify the resources you need to use
2.13 An advantage of a wooden post for fencing is that;
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2.14
2.15
2.16
2.17
2.18
a) It has a longer lifespan
b) It costs less
c) It cannot be treated with creosote
d) It is available only in rural areas
Which of the following can be used as a material for droppers when constructing
a fence?
a) Concrete slab
b) Wooden droppers
c) Copper-wired droppers
d) Corrugated iron sheets
What is one of the main complications of animals biting humans?
a) Contracting Tetanus
b) Severe bleeding
c) Trauma
d) Severe internal hemorrhage
Essential elements of farm water planning include the following. Choose the most
appropriate.
a) Matching financial resources to water availability.
b) Designing farm water supply and reticulation systems.
c) Determining how fast water supplies will run out during times of
prolonged dry conditions.
d) Getting a drilling contractor
Which one is an advantage of solar energy?
a) Among all the benefits of solar panels, the most important thing is that
solar energy is not a truly renewable energy source; when there is no sun,
there is no energy.
b) It cannot be harnessed in all areas of the world and is not available every
day.
c) It is useful for people who can afford it
d) We cannot run out of solar energy, unlike some of the other sources of
energy, because the sun will always be available.
What is the function of an electrode?
a) Serves to direct the current and become molten.
b) Holds the filler metal in position for a good weld.
c) It is the main source of the heat needed to melt the metals
d) Serves as the filler metal in the bead.
2.19 What is curing in concrete terminology?
a) It means how easy it is to place, handle, compact, and finish the concrete.
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b) It means how well concrete holds together when in the plastic state.
c) Keeping the concrete safe, so it does not harm workers
d) Keeping concrete continuously damp for a period, to allow it to reach
maximum strength
2.20 Which is the appropriate definition of routine maintenance?
a) It is repairing a machine after it breaks or when it stops working.
b) It is a means of reaching the optimum value for equipment to perform the
functions for which it is designed.
c) Keeping the farm clean and safe.
d) It is carried out at regular intervals and includes periodic checks of relevant
areas.
SECTION B: SUBTOTAL [20]
[20MARKS]
SECTION C: SHORT ANSWER QUESTIONS
QUESTION 3
3.1. Name 4 categories of major hazards that could happen at the workplace.
(4)
3.2. Provide any 5 of the major systems that must function together for a vehicle to operate.
(5)
3.3. Outline 4 ways in which you can control excessive bleeding from a wound of a vehicle
accident victim by direct pressure.
(4)
3.4. Briefly, outline any 2 environmental control measures that could be used to protect
workers from contracting zoonotic diseases.
(2)
[15 MARKS]
SECTION C: SUBTOTAL [15]
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SECTION D: STRUCTURED/LONG ANSWER QUESTIONS
QUESTION 4
Heat illness can be deadly. Every year, thousands of workers become sick from exposure to heat,
and some even die. Outline 7 prevention measures against heat exposure for workers.
(7)
[7 MARKS]
QUESTION 5
5.1. Discuss the 4 primary sources of alternative energy in terms of how they work and
generate electricity.
(10)
5.2. Explain the curing of cement in terms of the following:
[11)
a) What is curing?
(2)
b) When to cure?
(1)
c) Why cure?
(3)
d) How to cure?
(2)
e) How long to cure?
(3)
[21 MARKS]
QUESTION 6
Explain what you can do to ensure that equipment and machinery are maintained when it is not
in use, including during the winter season.
(9)
[9 MARKS]
QUESTION 7
Explain in FULLthe requirements of a good fence for commercial farming.
SECTION D: SUBTOTAL [45]
TOTAL: 100
(8)
[8 MARKS]
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