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

Q: What is the difference between four-stroke, gasoline-burning and two-stroke, gasoline-driven…

A: difference between engines: four-strokes,gasoline-burning combustion engine-In a four-stroke ic…

Q: Which statement is FALSE? a) The purpose of refrigerator is to remove heat from a cold medium b)…

A: The purpose of refrigerator is to extract heat from cold medium and eject is to hot surrounding.…

Q: 4- In a four stroke cycle petrol engine, the charge is compressed when both the valves (i.e. inlet…

A:

Q: True or False: All reciprocating compressors start up fully loaded.

A: Reciprocating Compressors

Q: The diesel engines operates with low pressure than petrol engine a. FALSE b. TRUE

A:

Q: Lets see how the conditions of AIR change from HEATING: Starting Conditions: DB 70F and 40% RH Final…

A: For Heating:

Q: How many compression ring and oil ring a IC engine piston will have? a. 2 compression ring and 1…

A: Piston of internal combustion engine have three rings for each cylinder. Top two rings are called…

Q: IC ENGINE -  WHICH OF THE FOLLOWING IS NOT A GOOD PROPERTY OF FUEL ?  1. No emission of smoke  2.…

A: WHICH OF THE FOLLOWING IS NOT A GOOD PROPERTY OF FUEL ?  We uses fuel to produce power by ignition…

Q: What causes white smoke in two stroke locomotive engines?

A: The main cause of the smoke from engines depend on the combustion process with the availability of…

Q: Air leakage does not affect the boiler plant efficiency, us this statement true or false

A: Required :- To state whether the statement "Air leakage does not affect the boiler plant efficiency"…

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: True or False: The probable origin of a fire is most likelyclosest to the lowest point that shows…

A: After the fire has been extinguished  the steps of the authority must be to investigate the fire…

Q: 11. Which one of the following aero highest propulsive efficiency? (a) Turbojet engine without…

A: Propulsive  efficiency is the ratio of the useful propulsive energy to total fuel energy. where…

Q: In compression ignition engines the heat rejection takes place at Isentropic process O bsathermal…

A: Basics of Ideal Diesel cycle. ( Thermodynamic cycle used for Compression ignition engines)

Q: (c) Describe, using fewer than 50 words each what is meant by the following terms describing diesel…

A: The following terms related to diesel engine are described as below: i) Delay Period :  Delay period…

Q: ‏Why always in production of engines the inlet valves are larger than exhaust valves?

A: The exhaust is smaller because the engine compressed the air and fuel mixture and burned it, so it…

Q: Which of the following directly affects the efficiency of a car engine?: * A) Octane of the gas B)…

A: we jhave to discuss which factor directy influences the efficiency of car engine

Q: Why is the starting fan required in the gas turbine experimental setup? A) cooling B) for supply air…

A: Why is the starting fan required in the gas turbine experimental setup A) cooling B) for supply air…

Q: In automobile engines the turbo charging means a. in take pressure is decreased with turbo ompressor…

A: In internal combustion engines the turbocharging and supercharging are used to increase the intake…

Q: Dehumidifier is an example of which of the following?

A: Dehumidifier is a air conditioning device.

Q: In perfect gas law dem experiment, the vacuur connected to: Select one:

A: Perfect Gas Law

Q: The auxiliary fuel pumps are: a. electrically driven b. engine-driven. c. either electrically or…

A: SOLUTION:  Fuel Pump: it is a device or a component of engine system that is used to draw a fuel…

Q: 2-What is specific fuel consumption of an engine? 3- Why does BSFC decrease with load?

A: 2. What is specific fuel consumption of an engine ?

Q: Briefly explain the function of the 'Thermostatic Valve' and 'Expansion Tank' in a water cooled…

A: Thermostatic valve It is the kind of check valve fitted in the outlet of the engine which opens and…

Q: The agent acting in between hot body and cold body is a Air conditioner Select one:

A: It is asked if Air conditioner is the agenet that acts between hot body and cold body.

Q: 1. Explain the difference between stoker, CFB, and PC from the three types of steam generators,…

A: CFB (Circulating Fluidised Bed) Boiler The circulating fluidized bed (CFB) is a developing…

Q: Briefly explain the following. 2-Stage Reciprocating Air Compressor. Single Cylinder Diesel Engine…

A: Air compressor -  An air compressor is used to increase the pressure and enthalpy of air, the air is…

Q: 1. An engine operates with 25% excess air using an unknown fuel (C,H,). Determine the equivalence…

A: Let us take, Stochiometric air/fuel ratio = (AF)Stoch   It is given that, the actual air intake has…

Q: Which of the following statement is wrong for the disadvantages of fossil fuels? produces acid rain…

A: Fossil fuels are made from the decomposing of the animals and plants in the earth crust.

Q: The natural ventilation can be driven by:

A: Explanation The natural ventilation can be driven by pressure difference of air between indoor and…

Q: The zero law or the thermal equilibrium is the basic for the: O Engine

A: Ans: Thermometer

Q: 4. What do you understand by exhaust blow-down loss?

A: Solution (4): In an actual cycle, after the compression stroke, the expansion stroke or power stroke…

Q: vapor lock is caused by fuel that does not vaporize easily in hot weather. T F

A: Given :- vapour lock is caused by fuel that does not vaporize easily no hot weather. True or False

Q: 4. A 4 m' storage tam pressure is 20 bar. A steam in the tank? Hov

A: The specific volume of the steam at the given pressure and temperature is v˙=0.1115 m3/kg Initial…

Q: 1- Air to fuel ratio 2- Exhaust nozzle pressure 3- The velocity of the exhaust jet

A: Given: Ti=216 K Pi=60 kPa Air craft speed =250 m/s To determine: Air to fuel ratio Exhaust nozzle…

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: True or False? In an HCCI engine, combustion immediatelyand simultaneously produces a steady…

A: Given Data : HCCI Engine

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: Draw a neat diagram and explain the working principle of a two-stage reciprocating air compressor?

A: Two stage air compressors: With two-stage air compressors, the air is compressed in two stages; in…

Q: What is definition of natural gas compressor?

A: Natural Gas Compressor: Generally compressor used for increasing the pressure and temperature of the…

Q: In combined cycles; the steam is injected into the combus a. Between 0.5 and 1.5 bar. b. Between 1.5…

A: given:

Q: 6   In absorption cooling system, Water can never be used as working fluid. Select one: True…

A:

Q: Heat pump is the only example of a reversed heat engine. Select one: O True O False

A: ANSWER :- The statement "Heat engine is only example of reversed heat engine" is false.

Hermetic Compressors

A compressor is a device that is used to increase the pressure of gas from low pressure to high pressure. The compressor is like a control volume, where in and out of mass occurs along with the interaction of energy with the surroundings in the form of heat and electricity.