300+ câu trắc nghiệm Tiếng Anh Công nghệ ô tô có đáp án - Phần 6
30 câu hỏi
The intake stroke draws air and fuel into the combustion chamber
Induction stroke
Income stroke
Introduction stroke
All correct
Which of these is not a power loss which takes place between engine and driving wheel?
Power loss due to friction of piston bearings and gears
Power loss from clutch to drive wheel due to friction of various parts
Transmission line loss
None of the mentioned
Chọn đáp án D
The force that opposes the motion of a vehicle is _______
Rolling resistance
Gradient resistance
Wind or air resistance
All of the mentioned
Chọn đáp án D
Rolling resistance does not depend on which of the following factors?
Load on each road wheel
Radius of driving wheel
Wheel inflation pressure
Nature of road surface
Chọn đáp án B
For an average type of road surface, what percentage of vehicle’s weight constitutes rolling resistance?
5 to 10%
1 to 2%
2 to 5%
0 to 3%
Chọn đáp án B
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
Chọn đáp án D
The value of the coefficient of air resistance for average cars is approximately equal to __________
0.32
0.032
0.0032
1.32
Chọn đáp án C
One Horse Power(H.P) is approximately equal to _____ Watts.
810
545
634
746
Chọn đáp án D
Gradient resistance for a vehicle depends on which of the following factors?
Weight of the vehicle
Size of the vehicle
Width of tyres
Speed of the vehicle
Chọn đáp án A
Power to weight ratio for high performance cars can range up to _______
150
190
230
280
Chọn đáp án C
Which of the following is not a major part of the crankshaft?
Main journal
Crank pins
Water pump
Crank webs
Chọn đáp án C
How many types of crankshaft construction are used universally?
1
2
4
6
Chọn đáp án B
What does the inlet manifold carry to the engine?
Air
Fuel
Oxygen + fuel
Air + fuel
Chọn đáp án D
Manifolds are connected to which part of the engine?
Cylinder
Cylinder head
Gasket
Engine block
Chọn đáp án B
In the petrol engine, the inlet manifold carries the air-fuel mixture from which part to the cylinder?
Air filter
Fuel injector
Fuel pump
Carburetor
Chọn đáp án D
The manifold must be large enough to allow sufficient flow for what?
Max power
Max emission
Min emission
Lower torque
Chọn đáp án A
Exhaust manifold is connected to which part of the engine?
Cylinder head
Engine block
Gasket
Muffler
Chọn đáp án A
The exhaust manifold is designed to withstand what?
Temperature
Gas
Heat
Contraction
Chọn đáp án C
The surface of the exhaust manifold is made smooth to minimize the restriction of what?
Exhaust gas
Temperature
Heat
Contraction
Chọn đáp án A
Which of the following helps in the uniform speed of the crankshaft despite uneven power impulses of the engine cylinder?
Piston
Connecting rod
Gasket
Flywheel
Chọn đáp án D
How much percentage of the cylinder bore size concerning the thickness of the crank web?
80
60
20
40
Chọn đáp án C
In a four-stroke cycle engine, the camshaft revolves at ______ the crank speed.
Two times
Half
Four times
Three times
Chọn đáp án B
The gears on the camshaft and crankshaft are known as ________
Lining gears
Aligning gears
Timing gears
Tuning gears
Chọn đáp án C
The material known as high carbon high copper chrome silicon cast steel is used for making _________
Camshaft
Cylinder body
Cylinder head
Piston
Chọn đáp án A
Crankshafts are usually constructed by ______
Casting
Drop forging
Drawing
Extrusion
Chọn đáp án B
Crankshafts are usually constructed by ______
Casting
Drop forging
Drawing
Extrusion
Chọn đáp án B
The crankshaft rotates the camshaft using _______
Belt drive
Chain drive
Gear drive
Motor drive
Chọn đáp án B
The crankshaft should be inspected for ______
Cracks
Alignment of crankpins and journals
Cleanliness of oil galleries
All of the mentioned
Chọn đáp án D
If there are 7 clutch plates in a multi-plate clutch, what is the number of pair of contact surfaces?
5
4
6
8
Chọn đáp án C
Which of the following contains no linkage between the clutch and the pedal?
Clutch – by – wire
Wet clutch
Hydraulic single plate clutch
Hydraulic multi-plate clutch
Chọn đáp án A








