300+ câu trắc nghiệm Tiếng Anh Công nghệ ô tô có đáp án - Phần 3
30 câu hỏi
What is the purpose of tire rotation on automobiles?
Avoid ply separation
Equalize wear
Get better ride
Reduce bump
Chọn đáp án B
Which are the two materials used in a bimetallic piston?
Copper and steel
Magnesium and aluminum
Steel and cast iron
Aluminum and steel
Chọn đáp án D
By adding which of the following material to aluminum alloy piston slap can be avoided?
Silicon
Zinc
Copper
Lead
Chọn đáp án A
Which among the following casting process is used in the casting of the piston?
Investment casting
Low-pressure casting
Sand casting
Gravity die casting
Chọn đáp án D
In a disc brake, which component provides the pad-to-disc adjustment?
Bleed screw
Piston
Caliper
Piston seal
Chọn đáp án D
On what principle does the braking system in the car work?
Frictional force
Gravitational force
Magnetic force
Electric force
Chọn đáp án A
Which of the following is not a method to avoid piston slap?
Taper piston
Piston with T-slots
Offset piston
Increase the size of the piston skirt
Chọn đáp án D
Which is the material used to wound on a wire wound piston?
Steel
Lead
Zinc
Magnesium
Chọn đáp án A
Which among the following type is named when the silicon content is 12% in an aluminum alloy?
Eutectic
Hyper-eutectic
Hypo-eutectic
Pearlite
Chọn đáp án A
Which of the following is the main reason for a burnt piston?
Hot air intake
Leak of coolant
More clearance
Detonation
Chọn đáp án D
Which material is coated on the piston to increase the service life?
Tin
Zinc
Lead
Cadmium
Chọn đáp án A
Which of the following material is used in the manufacturing of the connecting rod?
Magnesium
Copper
Bronze
Steel
Chọn đáp án D
What is the percentage of carbon present in a medium carbon steel type connecting rod?
0-0.1
0.1-0.2
0.25-0.35
0.35-0.45
Chọn đáp án D
In splash lubrication, the spout is attached to with part of the connecting rod?
Piston
Shank
Big end
Small end
Chọn đáp án C
Which among the following material is plated on the cylinder liner to improve the resistance to corrosion and wear?
Cast iron
Chromium
Zinc
Lead
Chọn đáp án B
Which type of casting process is used to cast cylinder liners?
Centrifugal casting
Investment casting
Die casting
Sand casting
Chọn đáp án A
Which among the following material is most commonly used in the manufacturing of cylinder liner?
Titanium
Copper
Brass
Grey cast iron
Chọn đáp án D
What is the percentage of carbon present in a cast steel type crankshaft?
0-1
2-4
1.35-1.6
4-6
Chọn đáp án C
Exhaust manifolds are usually made of what material?
Copper
Chromoly
Mild steel
Cast iron
Chọn đáp án D
Which of the following material is the most commonly used in the construction of crankshaft?
Cast steel
Bronze
Copper
Lead
Chọn đáp án A
Camshaft gear is made from which material?
Cast iron
Mild steel
Bakelite
Brass
Chọn đáp án C
Cylinder liner materials are made of alloy iron containing ____________
Manganese
Nickel
Chromium
All of the mentioned
Chọn đáp án D
Aluminium cylinder blocks require __________
Cast iron Liners
Brass Liners
Aluminium Liners
No Liners
Chọn đáp án A
Which of the following is the most important property of the lubricant?
Density
Thermal conductivity
Viscosity
Melting point
Chọn đáp án C
Which of the following viscosity indices shows the larger changes in viscosity with temperature?
50
100
45
10
Chọn đáp án D
Which of the following of oils is multi-grade oil?
SAE 10W 30
SAE 25W
SAE 10
SAE 20W
Chọn đáp án A
Which of the following oils has the highest viscosity?
SAE 20
SAE 10
SAE 50
SAE 45
Chọn đáp án C
Which of the following is not a part of the transmission system?
Clutch
Axles
Wheels
Gear box
Chọn đáp án C
The electrical system of an automobile contains which of the following?
Battery
Alternators
Lighting systems
All of the mentioned
Chọn đáp án D
The electrical system of an automobile contains which of the following?
Battery
Alternators
Lighting systems
All of the mentioned
Chọn đáp án C
