4.1 Which ONE of the following pieces of equipment is used to set the wheel alignment of a motor vehicle?
A - NSC Mechanical Technology Automotive - Question 4 - 2018 - Paper 1
Question 4
4.1 Which ONE of the following pieces of equipment is used to set the wheel alignment of a motor vehicle?
A. Pressure tester?
B. Torsion tester?
C. Bubble gauge?
D.... show full transcript
Worked Solution & Example Answer:4.1 Which ONE of the following pieces of equipment is used to set the wheel alignment of a motor vehicle?
A - NSC Mechanical Technology Automotive - Question 4 - 2018 - Paper 1
Step 1
Which ONE of the following pieces of equipment is used to set the wheel alignment of a motor vehicle?
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Answer
The correct equipment used to set the wheel alignment of a motor vehicle is a Wheel gauge (D).
Step 2
What is the purpose of a wheel balancer?
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Answer
The purpose of a wheel balancer is to balance the wheels for static and dynamic balance (B).
Step 3
Identify the type of supercharger shown in FIGURE 4.3 below.
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Answer
The type of supercharger shown is a Centrifugal supercharger (C).
Step 4
The power of an engine may be defined as …
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Answer
The power of an engine can be defined as the measure to determine the force developed by burning fuel in a cylinder (D).
Step 5
What will be the brake power of an engine if the engine develops torque of 180 Nm at 3000 r/min?
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Answer
The brake power can be calculated using the formula:
P=1000T×ω
Where:
T is the torque in Nm,
ω is the angular speed in radians per second(minr×602π).
This yields a power output of 5.56 kW (B).
Step 6
The relationship between the total volume of a cylinder when the piston is at bottom dead centre to the combustion chamber volume in the cylinder is known as the …
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Answer
This relationship is known as the compression ratio (A).
Step 7
Which device controls the modern electronic automatic transmission of a vehicle?
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Answer
The device that controls this function is the Electronic control unit (A).
Step 8
What is the effect of the gear ratio on the road speed of a motor vehicle?
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Answer
A higher gear ratio increases the road speed (C).
Step 9
What type of gear train is shown in FIGURE 4.10 below?
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Answer
The type of gear train shown is an Epicyclic gear train (A).
Step 10
What is the effect of a large positive caster angle on the wheels of a vehicle?
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Answer
The effect of a large positive caster angle is that the pressure increases (A).
Step 11
What is the definition of static balance of a wheel and tyre assembly?
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Answer
The definition refers to the equal distribution of all weight around the axis of rotation in the rotation plane (D).
Step 12
Which exhaust emission control device is used to convert toxic gases and pollutants to less toxic gases from the exhaust gases of an internal combustion engine?
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Answer
The device used for this purpose is a Catalytic converter (A).
Step 13
Which ONE of the following safety measures must be taken into consideration when testing or repairing an alternator?
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Answer
The safety measure is to always connect the positive and negative cables of the tester to the relevant poles of the battery (A).
