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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  Test: I.C. Engines- 1 - Mechanical Engineering MCQ

Test: I.C. Engines- 1 - Mechanical Engineering MCQ


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25 Questions MCQ Test - Test: I.C. Engines- 1

Test: I.C. Engines- 1 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Test: I.C. Engines- 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: I.C. Engines- 1 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: I.C. Engines- 1 below.
Solutions of Test: I.C. Engines- 1 questions in English are available as part of our course for Mechanical Engineering & Test: I.C. Engines- 1 solutions in Hindi for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: I.C. Engines- 1 | 25 questions in 50 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study for Mechanical Engineering Exam | Download free PDF with solutions
Test: I.C. Engines- 1 - Question 1
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If compression ratio of an engine working on Otto cycle is increased from 5 to 6, its air standard efficiency will increase by

Test: I.C. Engines- 1 - Question 2
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Carbonisation of coal consists of

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Test: I.C. Engines- 1 - Question 3
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In a IC engine The ratio of Indicated work done to frictional losses is 4 : 3. The mechanical efficiency of the engine is

Test: I.C. Engines- 1 - Question 4
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Mean effective pressure multiplied by swept volume per second gives.
Test: I.C. Engines- 1 - Question 5
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Thermal efficiency of an Diesel cycle is given by

r = Compression ratio
r = Cut off ratio
Test: I.C. Engines- 1 - Question 6
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Morse test is conducted on.
Test: I.C. Engines- 1 - Question 7
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In diesel engine delay period means.
Test: I.C. Engines- 1 - Question 8
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In S.I. engines supercharging will.
Test: I.C. Engines- 1 - Question 9
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In C.I. engines injection advance makes knocking
Test: I.C. Engines- 1 - Question 10
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A S. I. engine working on C.N.G does not require the following part.
Test: I.C. Engines- 1 - Question 11
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For a 6- cylinder engine for evenness of torque firing order is
Test: I.C. Engines- 1 - Question 12
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The ctance number of a mixure containing 60% ISO octane and 40% n - heptane is .
Test: I.C. Engines- 1 - Question 13
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With increase in temperature of intake air, I.C. engine efficiency.
Test: I.C. Engines- 1 - Question 14
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Which of the following engines deve lops maximum brake power
Test: I.C. Engines- 1 - Question 15
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For same compression ratio and for same heat added
Test: I.C. Engines- 1 - Question 16
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Piston compression rings are made of which of the following
Test: I.C. Engines- 1 - Question 17
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Knocking tendency in SI engine reduces with increase in
Test: I.C. Engines- 1 - Question 18
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The maximum limit of air fuel ratio for petrol is
Test: I.C. Engines- 1 - Question 19
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Knocking in C.I. engine occurs during which stage of combustion.
Test: I.C. Engines- 1 - Question 20
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In CI engine the Air fuel mixure is
Test: I.C. Engines- 1 - Question 21
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The area inside an indicator diagram represents
Test: I.C. Engines- 1 - Question 22
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The relationship between swept volume (Vs) clearance volume (Vc) and compression ratio (r) is
Detailed Solution for Test: I.C. Engines- 1 - Question 22

For calculating compression ratio you should know the swept volume and clearance volume of the engine cylinder. Then you can use the relation,

  r= 1+(Vs/Vc).

Where, r- compression ratio, Vs- Swept Volume and Vc- Clearance Volume.

Test: I.C. Engines- 1 - Question 23
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Octane no. of a fuel can be increased by adding
Test: I.C. Engines- 1 - Question 24
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Methane burns with stoichiometric quantity of a air. The air fuel ratio by weight is
Test: I.C. Engines- 1 - Question 25
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For determining ignition quality of CI engines The reference fuel used are:
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