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Test: IC Engine Level - 1


25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Test: IC Engine Level - 1


Description
Attempt Test: IC Engine Level - 1 | 25 questions in 50 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Mechanical Engineering SSC JE (Technical) for Mechanical Engineering Exam | Download free PDF with solutions
QUESTION: 1

Match List-I (The T-s diagram of the thermo dynamic) with List-II (Names of cycles) and select correct answer using the codes given below the lists:

Solution:
QUESTION: 2

For maximum specific output of a constant volume cycle (Otto cycle)

Solution:

QUESTION: 3

Match List-I (Details of process of the cycle) with List-II (Name of the cycle) and select correct answer using the codes given below the lists:

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QUESTION: 4

In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of
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QUESTION: 5

Match List-I (name of cycles) with List-II (pV- diagram) and select correct answer using the codes given below the lists:
Solution:
QUESTION: 6

Match List-I (Cycle operating between fixed temperature limits) with List-II (Characteristics of cycle efficiency h temperature) and select correct answer using the codes given below the lists:
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QUESTION: 7

The correct sequence of the given four cycles on T-s plane in Figure (1), (2), (3), (4) is
Solution:
QUESTION: 8

Match List-I (cycles) with List-II (Processes) and select correct answer using the codes given below the lists:
Solution:
QUESTION: 9

The correct sequence of the cycles given in the above T-s diagram is
Solution:
QUESTION: 10

The operation of forcing additional air under pressure in the engine cylinder is known as
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QUESTION: 11

Which cycle consists of two reversible isotherms and two reversible isobars?
Solution:
QUESTION: 12

Match List-I (Gas cycles) with List-II (Thermodynamic coordinates) and select correct answer using the codes given below the lists
Solution:
QUESTION: 13

In SI engines for higher thermal efficiency
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QUESTION: 14

The two reference fuels used for cetane rating are
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QUESTION: 15

In some carburetors, meter rod and economiser device is used for
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QUESTION: 16

In the operation of four-stoke diesel engines, the term 'squish' refers to the
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QUESTION: 17

The stoichiometric air-fuel ratio for petrol is 15 : 1. what is the air-fuel ratio regarded for maximum power?
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QUESTION: 18

In a diesel engine, the fuel is ignited by
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QUESTION: 19

For a conventional SI engine, the value of fuelair ratio in the normal operating range is
Solution:

Correct Answer :- a

Explanation : The normal operating range:

For a conventional SI engine using gasoline fuel.

12 ≤ A/F ≤ 18

(0.056 ≤ F/A ≤0.083)

QUESTION: 20

The Stoichiometric air-fuel ratio by volume for combustion of carbon monoxide in air is
Solution:
QUESTION: 21

Pistons of diesel engines are usually cooled by
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QUESTION: 22

 Air injected in IC engines refers to injection of
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QUESTION: 23

The object of providing masked inlet valve in the air passes of compression ignition engines is to
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QUESTION: 24

which one of the following types of swirls is generated by a precombustion chamber in the diesel engine ?
Solution:
QUESTION: 25

Match List-I (Operation mode of SI engine) with List-II (Appropriate Air-fuel Ratio) and select correct answer using the codes given below the lists:

 
Solution:
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