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Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Mechanical Engineering MCQ


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10 Questions MCQ Test Topicwise Question Bank for Mechanical Engineering - Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 for Mechanical Engineering 2024 is part of Topicwise Question Bank for Mechanical Engineering preparation. The Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 below.
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Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 1

The air-fuel ratio of the petrol engine is controlled by

Detailed Solution for Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 1

The purpose of carburetion is to provide a combustible mixture of fuel and air in the required quantity and quality for efficient operation

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 2

The petrol from tank to the automotive engine is fed by

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Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 3

The level of fuel in the float chamber of carburettor as compared to the level of the jet in the venture is

Detailed Solution for Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 3

To avoid overflow of fuel through jet, the level of the liquid in the float chamber is maintained at a level slightly below the tip of the discharge jet.

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 4

The most preferred type of carburettor is

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 5

All of the following carburettors are constant choke type except

Detailed Solution for Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 5

S. U. carburettor differs completely from all because it is constant vacuum or constant depression type with automatic variable choke.

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 6

In passenger cars, the following type of carburettor is preferred

Detailed Solution for Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 6

Advantages of downward draught carburettor:
• No fuel lifting by air friction
• At low air velocity, fuel comes into cylinder by gravity
• High engine speed due to large mixing
• High specific output

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 7

During idling state, gasoline does not flow through the carburettor tube because of

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 8

The float in the carburettor of a .petrol engine controls

Detailed Solution for Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 8

if the amount of fuel in the float chamber falls below the designed level, the float goes down, thereby opening the fuel supply valve and admitting fuel. So, float maintains a constant level of gasoline in the float chamber.

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 9

An adjustment in the setting of a carburettor has been made for running the petrol engine at mean sea level. What will be the quality of mixture supplied to the engine if it is made to operate at high altitudes?

Test: Fuel Injection, Ignition & Carburetor of IC Engine - 1 - Question 10

Which unit is most susceptible to fuel lock in petrol engines?

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