Which one of the statements is false about Compression ignition engine? Select one: O a. During induction stroke, only air is admitted into the engine cylinder O b. The compression ratio is higher than spark-ignition engine O C. Fuel is injected at the end of the compression stroke O d. During expansion stroke the inlet valve is opened.

Q: An air standard Diesel engine operates as follows, at the end of expansion, the pressure is 360 kPa…

A: Given data: The pressure at point 4 is P4=360 kPa The temperature at point 4 is T4=775°C=1048 K The…

Q: The cylinder of an Ideal Dual Combustion has a bore of 7 inches and a stroke of 7.5 inches. The…

A: Stroke length, L=7inches=177.8mm=0.1778mDiameter of cylinder, D=7.5inches=190.5mm=0.1905mSpeed of…

Q: Why do we need very high pressure for fuel injection in a diesel engine?

A: The fuel is injected into the cylinder by the use of heavy pressure difference and the opening of…

Q: Which statement(s) is/are TRUE about compression-ignition (CI) engine? O The maximum indicated mean…

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Q: Which does makes the volumetric efficiency of the reciprocating engine decrease? * Low cylinder head…

A: Given questions are related to IC engine. It is related to volumetric efficiency, forced induction…

Q: What is the range of operating AFR in diesel engines?

A: Air-fuel ratio (AF or AFR) is the ratio between the mass of air ma and mass fuel mf  used by the…

Q: Why expansion stroke in a four-stroke engine is called working stroke?

A: A 4-stroke engine is a very common variation of an internal combustion engine. Most modern internal…

Q: Describe the operation of a vertical, four-stroke normally aspirated spark-ignition (SI) automobile…

A: Draw the line diagram of the piston-cylinder arrangement. Draw the PV diagram of the SI cycle.

Q: What is the range of operating AFR in gasoline engines?

A: internal Combustion Engine: Internal combustion engine mainly known as IC Engine. It is called an…

Q: In an engine working on Dual cycle, the temperature and pressure at the  beginning of the cycle are…

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Q: How many crankshafts does a V- -4 * ?type engine (e.g. V8, V12) have (A) 1 O (B) 2 (C) 3 (D) 4 A car…

A: Question (4): In all V-type engines, such as V8, V12 etc. , there will be two cylinder banks, each…

Q: Given: Compression Ignition Cycle with the following data: compression ratio - 20 cut off ratio-2…

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Q: In an engine working on Dual cycle, the temperature and pressure at the beginning of the cycle are…

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Q: Describe the Bypass ratio of Turbofan engines. Indicate what it means to have a low or high Bypass…

A: The bypass ratio (BPR) of turbofan engines is the ratio between the mass flow rate of the bypass…

Q: How do the volumetric efficiency and air-fuel ratio change as the engine's rotational speed changes?

A: Volumetric Efficiency : Volumetric efficiency is defined as the efficiency of an engine with which…

Q: 1. Why ICE is always open cycle while the ECE can be open or closed cycle? 2. Compare between the SI…

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Q: An HCCI engine needs to compress a fuel-air mixture to 1300 K at top dead center for proper auto-…

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Q: 10- In a four stroke cycle petrol engine, the inlet valve a) opens at top dead centre and closes at…

A: This question is based on the concept of ignition engine

Q: same compression ratio which is more efficient Otto or dies

A: To explain : For same compression ratio which is more efficient Otto or diesel engine .

Q: b) How the process of four-stroke (Spark Ignition and Compression Ignition) operating cycle…

A: Process of four stroke (Spark Ignition and Compression Ignition) engine- 1. Difference on the basis…

Q: In a 4 Stroke petrol Engine, during a Compression Stroke Select one: O a. Inlet valve is open and…

A: A four-stroke petrol engine is a type of internal combustion engine in which the engine cycles…

Q: 12. What will be loss in the ideal efficiency of a Diesel engine with compression ratio 14 if the…

A: Diesel Cycle Efficiency

Q: A diesel generator running on Ideal Air standard Diesel cycle has the following initial conditions;…

A: Write the given data: Draw the given diesel cycle on a P-V plot. Write the properties of air…

Q: 4. What is the maximum thermal efficiency possible for a power cycle operating between 1300°F and…

A: Given:TH=1300°F =977.6 KTL=225°F =380.372 K5. d=60 mm =6 cmL=75 mm =7.5 cmVc=21.3 cm3

Q: Temperature and pressure of air at the start of isentropic compression in a Dual Combustion Engine…

A:

Q: Q1 Answer the following: 1. NASA X-43A scramjet aircraft is considered one of the air breathing…

A: 1. The statement" NASA x-43A scramjet is considered one of the air breathing engines" is true. This…

Q: Which one is not true about the expansion tank in cooling water systems on marine diesel engines?…

A: Basically, Marine Diesel engine cooling system the expansion tank used for these circuits is filled…

Q: 1. Cylinder conditions at the start of compression in an SI engine operating at WOT on an…

A:

Q: Pressure, volume & temperature at each state b. Cut-off ratio c. Heat Added

A: Given: An diesel cycle T1=25oC=298 K V1=0.5m3 P1=1 atm compression ratio= 14 cut off occurs at 8% of…

Q: A diesel generator running on lIdeal Air standard Diesel cycle has the following initial conditions;…

A: Given data:- Pressure, P1=1atm=101.325kPaTemperature, T1=25°C=298KVolume, V1=0.5m3Compression ratio,…

Q: (a) Describe with the aid of diagrams the operational sequence of four stroke spark ignition engines…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: Draw and label the P-V and T-S diagrams. A diesel generator running on Ideal Air standard Diesel…

A: Write the given data

Q: In compression - ignition engines one of the methods to avoid detonation during compression, with…

A: Compression engines or diesel engines do not possess spark plugs or other ignition mechanisms. They…

Q: In two stroke compression ignition engines for competing one cycle of four operations, a. Three…

A: In two stroke engines, for half revolution of crank , two processes occurs simultaneously i.e…

Q: A four-stroke cycle engine may or may not have a pressure boost (supercharger, tur- bocharger) in…

A:

Q: These are Diesel cycle characteristics: Low thermal efficiency Considered as not high speed engine…

A: GIVEN DATA- SOME STATEMENT ABOUT DIESEL ENGINE GIVEN WE HAVE TP SELECT CORRECT STATEMENT

Q: a) A Compression Ignition engine suddenly stops whilst in operation, state two possible reasons and…

A: A Compression ignition engine suddenly stop whilst in operation. There may be any problems which…

Q: 4-For the same RPM two stroke engines produce almost double power than four stroke engines why? 5-…

A: 4 -  2 stroke engine - in this engine , the combustion cycle is completed in two strokes, one…

Q: The cylinder of an Ideal Dual Combustion Cycle,, with a pressure ratio of 2, has a bore of 7 inches…

A: Givendia of cylindrical bore(D)=7inchesstroke length (L)=7.5inchesEngine speed(N)=6000rpmcompression…

Q: A diesel generator running on Ideal Air standard Diesel cycle has the following initial conditions;…

A:

Q: Draw and label the P-V diagram of actual otto cycle applied to petrol engine.

A: Dear student,                     According to the guidelines I am allowed to answer only one…

Q: Explain and contrast the functionality of a two-stroke and four-stroke diesel reciprocating engine.…

A: Sketch the two stroke diesel reciprocating engine.

Q: if a diesel cycle and otto cycle have th same compression ratio which will do the more work?…

A: As per the company guidelines we will answer the first question for you, for the other question…

Q: The diesel engines operate with low pressure and low temperature O a. TRUE O b. FALSE

A: The diesel engine operates at low pressure and high temperature , so the given statement is false .…

Q: What Happens If Petrol (Gasoline) Is Used In A Diesel Engine, Siesel Engine Will Work?

A: When we use diesel in a diesel engine, it works as a lubricant as well as fuel and help the fuel…

Q: In a diesel engine, the fuel injection takes place Select one: O a. At the end of exhaust stroke O…

A: We have to find  In diesel engine fuel injected take place .......

Q: 14 A six-cylinder SI engine with a compression ra tio of 10.5:1 oper ates on a four-stroke cycle at…

A:

Q: Draw a typical indicator diagram of pressure versus volume (p-v) to illustrate the cycle of a four…

A: Indicator diagrams are used in assessing the engines performance and help us in understanding its…

Q: Q1: Two spark ignition petrol engines having the same swept volume and compression ratio are running…

A:

Q: Draw a typical indicator diagram of pressure versus volume (p-v) to illustrate the cycle of a four…

A: