300+ câu trắc nghiệm Tiếng Anh Công nghệ ô tô có đáp án - Phần 2
30 câu hỏi
The firing order in case of four cylinder inline engines is usually ________
1-2-4-3
1-3-4-2
1-4-3-2
Either 1-3-4-2 or 1-4-3-2
Chọn đáp án D
In case of four cylinder opposed cylinder engines the firing order is ___________
1-4-3-2
1-3-4-2
1-2-3-4
1-2-4-3
Chọn đáp án A
In case of four cylinder inline engine the number of firing strokes in one revolution of crank is _______
1
2
3
4
Chọn đáp án B
In four cylinder engines the ignition advance depends on _________
Quality of fuel
Engine speed
Cylinder dimensions
Quality of fuel and engine speed
Chọn đáp án D
Ignition advance is expressed in terms of _________
Crank angle
Millimetres of piston travel before TDC
Time in milli seconds
All of the mentioned
Chọn đáp án D
Sir Rudolf Diesel invented diesel engine in which year?
1905
1916
1920
1913
Chọn đáp án D
In internal combustion engine the approximate percentage of the combustion heat that passes to the cylinder walls is _________
5%
10%
30%
60%
Chọn đáp án C
In a four stroke S.I engine the exhaust valve usually opens ______
At BDC
35 degree to 60 degree before BDC
35 degree to 60 degree after BDC
10 degree to 20 degree before BDC
Chọn đáp án B
In a diesel engine the pressure during combustion may increase to a range at _________
10-15 atm
15-20 atm
20-30 atm
55-75 atm
Chọn đáp án D
The pressure in an engine cylinder is less than atmospheric pressure when the engine is performing which stroke?
Suction
Compression
Power
Exhaust
Chọn đáp án A
Kinds of mechanical properties
Strength
Corrosion
Formed
All correct
Chọn đáp án A
Kinds of physical properties
Density
Oxidation
Casting
All correct
Chọn đáp án A
Kinds of chemical properties
Corrosion
Oxidation
Density
A & B
Chọn đáp án D
Kinds of manufacturing properties?
Machined
Formed
Casting
All correct
Chọn đáp án D
Types of engineering materials
2
3
4
5
Chọn đáp án B
Find suitable words with phrase “Formed by mixing other metals or elements”
An alloy
An metal
An insulator
A conductor
Chọn đáp án A
Find suitable words with phrase “Allows heat or current to flow easily”
A conductor
An metal
An insulator
An alloy
Chọn đáp án A
Find suitable words with phrase “Does not allow heat or current to flow easily”
A conductor
An metal
An alloy
An insulator
Chọn đáp án D
The bulk of hydrocarbon belongs to which group?
Paraffin
Isoparaffin
Cycloparaffin
Aromatic
Chọn đáp án A
Which of these is not a lighter fraction of fuel oil?
Gasoline
Aviation fuel
Heavy diesel oil
Boiler fuel
Chọn đáp án D
Which of the following type of fuel does not contain ash?
Coal
Fuel oil
Natural gas
Synthetic fuels
Chọn đáp án C
Which of these gases is the reason for the maintenance of natural gas at cryogenic temperatures?
Methane
Ethane
Propane
Benzene
Chọn đáp án A
The gas which contributes maximum to heating value of natural gas is?
CO
CO₂
H₂
CH₄
Chọn đáp án D
A coal containing high percentage of durian is called _________
Splint
Bright
Boghead
Non-banded
Chọn đáp án A
Which types of wheels cannot be used with a tubeless tire?
Disc wheel
Light alloy wheel
Wire wheel
Composite wheel
Chọn đáp án C
Which type of wheels is preferred in sports cars?
Disc wheel
Wire wheel
Magnesium alloy wheel
Aluminum alloy wheel
Chọn đáp án C
In case of a wire wheel, the vehicle weight is supported by the wire in _________
Tension
Bending
Shear
Compression
Chọn đáp án A
Where will an underinflated tire wear the thread most?
Near center
Near the edge
In the cross direction
In the lateral direction
Chọn đáp án B
Where will an overinflated tire wear the thread most?
Near center
Near the edge
In the cross direction
In the lateral direction
Chọn đáp án A
What do the permissible of mixing cross-ply and radial-ply automobile tires allow?
Cross-ply tires on left wheels
Cross-ply tires on right wheels
Cross-ply tires on front wheels
Cross-ply tires on rear wheels
Chọn đáp án C
