True or False? A spark plug with two ground electrodes will provide two separate sparks when fired.   Why is high voltage needed to establish a spark across the gap of a spark plug? List the advantages of having one ignition coil per cylinder. Which of the following is a function of all ignition systems? a. To generate sufficient voltage to force a spark across the spark plug gap b. To time the arrival of the spark to coincide with the movement of the engine’s pistons c. To vary the spark arrival time based on varying operating conditions d. All of the above

Q: List the procedures used when setting up, igniting, andusing an air-acetylene unit.

A: The procedures used when setting up, igniting, and using an air-acetylene unit are given as under,

Q: 5) Which gas is most popularly used as a plasma? O Ar OXe O CO2 ON2

A: In plasma arc welding mainly noble gases are used because they are chemically inert which means they…

Q: Describe the energy transfers that take place in the following situation: A person starts a lawn…

A: Energy conversion: (1) When the person pulls the cord, the mechanical energy is transferred to the…

Q: Time interval between ignition initiation and the actual start of combustion.

A:

Q: Where is the heat range code indicated on a spark plug?   the steel shell   on the porcelain…

A: Spark plugs are classified based on their heat resistive property. The hot spark plugs are those…

Q: Higher pairs are those which have Choose the correct option  Surface contact between elements…

A: Higher pairs are those which have Choose the correct option  Surface contact between elements Point…

Q: a) Why should check-valves be fitted to gas welding torches? b) Why should fuel tanks be…

A: (a) Check valves are used as to prevent gasses from mixing upstream of them. As, when a flammable…

Q: Using the diagram, explain the Two-stroke Cycle Engine. Spark plug wwwwwww Piston Reed valve Intake…

A: Two stroke petrol engine: Working: All essential operations are carried out in one revolution of the…

Q: Why is high voltage needed to establish a spark across the gap of a spark plug

A: The air-fuel mixture is ignited inside the combustion chamber with the help of spark generated by…

Q: Q19. An arc is to be placed in an outdoor garden, which constraint would be vital? A. Statutory B.…

A: All mentioned constraints are important. However, the physical constraint is the most vital. Option…

Q: What is missing below in order to satisfy the conditions necessary in order to cut when using an…

A: What is missing below in order to satisfy the conditions necessary in order to cut when using an…

Q: Gas welding equipment is bulky in nature and hence make it difficult to transport. Select one: True…

A: Gas welding equipment is bulky in nature and hence make it difficult to transport. Select one:…

Q: Discuss about pros and cons of each type of ignition turrets.  Explain what is dwell Angle and…

A: 1. The DWELL ANGLE is the number of degrees of engine rotation corresponding to the dwell time.…

Q: If the spark line is totally flat, is longer than 2 ms, and is less than 500 volts, there is a good…

A: A sparkline is a line on a chart, that represents the time for which the spark lasts. The height…

Q: Welding amperes 3. Refer to the following duty cycle-we operating at 125 amperes? Rated du 300 250…

A:

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: A small horsepower Briggs engine's spark plug is firing too late. Tech a says that the spark plug…

A: Tech A is correct.

Q: 2) The gas which may be used as a fuel gas gas welding process is O Hydrogen Oxygen O Nitrogen…

A: In gas welding there are two types of cylinders are used that is acetylene cylinder and oxygen…

Q: the tip of the inner cone is the location of the maximum temperature in a neutral oxyacetylene…

A: Solution:   The Correct Option with necessary explanation is given below:

Q: What does a slope in the spark line represent?

A: Sparklines are very small line graphs that are usually drawn without axes or coordinates. In a…

Q: Excess air is used to ensure nearly complete combustion. true or false

A: Complete combustion is the combustion in which fuel is completely burnt.

Q: 14)A welding which is produced from overlapping spots made at the point of contact created by two…

A: About resistance seam welding Two workpiece are provided between two copper electrodes are there in…

Q: d.2. Which of the following types of grounding electrodes was one of the first grounding electrodes…

A: Answer: (2) (D) Rod and pipe    Answer: (3) (D) To safeguard against electrical hazards.

Q: Why do most automotive spark plugs have a resistor between the top terminal and the centre…

A: When the spark is produced during the ignition stroke of the automotive engine, a burst of the high…

Q: Butane gas is used in gas welding process. Select one: True False

A: Gas welding is the process that melts and joins metals by heating them with heat caused by gas and…

Q: Explain the following type of end effectors: i. Magnetic gripper ii. Spot welding device

A:

Q: Differentiate complete combustion from incomplete combustion.

A: Distinguishing, complete combustion from incomplete combustion.

Q: Draw P-V and T-s diagram showing the 4 points of different cycle for (a) spark ignition with…

A:

Q: Arc discharge method for making nanoparticles uses plasma (ionized gas). This ionized gas is from:…

A: Interpretation In Arc discharge method for making nanoparticles uses plasma (ionized gas). This…

Q: Metal water pipes and structural metal qualify as grounding electrodes. Select one: TRUE

A: given: Metal water pipes and structural metal qualify as grounding electrodes.

Q: 38- Anodic protection is done by . O a- applying an external current. O b- coupling with an active…

A: Corrosion occurs due to the contact of metals with water vapor. When an anode or cathode comes in…

Q: Gas welding is a fusion welding process. Select one: True False

A: Given Data : Gas Welding fusion welding process

Q: What is indicated by a LTFT reading of 24 percent?

A: Given Data : LTFT

Q: Q2. An automobile has 3.2 liter, four-cylinder, and four-stroke cycle engine operating at 2400 rpm.…

A:

Q: Why is the procedure for checking the resistance of awaste spark ignition coil different from the…

A: A typical ignition coil is a pulse-type transformer with a soft iron core and two coil windings on…

Q: Di ignition systems are capable of producing higher electrical energy than the DIS ignit

A: given: Di ignition systems are capable of producing higher electrical energy than the DIS ignition…

Q: Which measure does not necessarily increase the boiler efficiency? Please choice one below :…

A: Which measure does not necessarily increase the boiler efficiency? Please choice one below :…

Q: Define the combustion equipment efficiency.

A: Combustion efficiency, defined as the ratio of heat released by the fuel to the heat input by the…

Q: Which of the following is not a Gen2 plasma ignition system? O Dual frequency drive O Capacitive…

A: ignition system: The ignition system create an electric spark in the engine combustion chamber,…

Q: In gas welding, the oxygen- acetylene gases are mixed in_- a. Hose b. Nozzle c. Torch d. Pressure…

A: The process of combustion with oxygen O2 and Acetylene C2H2 is called the oxyacetylene welding…

Q: Gas is used for firing induction furnace. Select one: True False

A: firing induction furnace is an electrical furnace in which the heat is applied by induction heating…

Q: performing

A: 5 Precautions during welding 1 During welding make sure the welder is properly installed and…

Q: Explain why all the fuel in a nuclear reactor is not placed in a single fuel rod

A: The fuel in a nuclear reactor is not placed in a single fuel rod due to following reasons:   a. The…

Q: Describe the Chain Reaction that is triggered when fire has started.

A: The given question :Describe the Chain Reaction that is triggered when fire has started. The given…

Q: Which gas leakage do you think poses a greater risk for fire? Explain

A: Propane gas leakage poses greater risk for fire.

Q: this picture refers to blast furnace O open hearth furnace crucible furnace O cupola furnace O…

A: Picture is shown contains combustion chamber of white cylindrical shape (3 cylindrical shapes ) and…

Q: EINGINERS. ENGINEFRING • In multiple-type combustors, each combustor has a fuel supplier and an…

A: As we only answer 3 subparts at a time, we will answer the first three. Please resubmit the question…

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.