WorksheetsABE First Half
Total questions: 15
Worksheet time: 15mins
Thinner is added in paint to
Make pigments and resin mix easily
Make paint film hard
Optimise its viscosity
None of these
Which type of plastic has maximum percentage in total plastic body in vehicle
PVC
Polypropylene
Polyrethane
Polystyrene
Strength of GRP is depends on
Resin
Type of strands
Alignment of layers
All the above
Which of the following should be used when refinishing a polyolefin plastic part?
primer surfacer
adhesion promoter
urethane primer
self etching primer
The lid that covers the engine top in a car and situated at the front is called ________
Gill
Softtop
Bonnet
Spoiler
‘Head restraints’ are an
Automotive style feature
Automotive safety feature
Automotive performance feature
None of the mentioned
Which of these is necessary for the description of an automobile
Make
Model
Capacity
All of the mentioned
Wind or air resistance depends on which of the following factors
Shape and size of vehicle body
Air velocity
Speed of vehicle
All of the mentioned
In commercial vehicle layout is located forward, rear or under floor mainly to
Better utilization of space
Increase fuel economy
Better weight distribution
Reduce weight of chassis
The term used to define and measure the air resistance acting against a moving car is…
Coefficient of drag
Lemniscate of Bernoulli
Frictional eigenvalue
What happens when air struggles to fill the void left behind a car that's moving forward?
The low pressure area behind the car "pulls" on the car, creating drag.
The low pressure area creates lift that reduces the traction of the rear tires
The air rushes into the void and pushes the car forward.
What is it called when air molecules break away from the car's surface and become turbulent?
Flow separation
Delamination
The Venturi effect
Which part of a car's bodywork helps create an area of low pressure underneath the car?
Windshield
Rear spoiler
Front splitter
Along with coefficient of drag, the most important aerodynamic aspect of a car's shape is…
Frontal area
Height
Roof curvature
A wing with an aggressive angle of attack generates both downforce and…
Lift
Drag
The Venturi effect
