A soldering iron 'bit' is made of?    A.Brass    B.Tin    C.Steel    D.Copper

Q: With the use of an Alloy joining two or more metal pieces called as_ Select one: a. Printing b.…

A: Solder is a metal alloy that will tend to melt at a lower temperature than the metal which is being…

Q: A fillet weld can be used to join which of the following joint types: *

A:

Q: 10)Which of the following is a technique to, minimize the distortion in a large weld components? a.…

A: Weld distortion is caused by the expansion and contraction of the weld metal and surrounding base…

Q: A fillet weld can be used to join which of the following joint types: * O All of the Mentioned

A: Fillet welding is the process of welding to weld the 2 metals at an angle or perpendicularly.

Q: In addition to continuously changing the weld pattern,what other changes must be continually made…

A: Considered to be the most challenging pipe position is the 66 or 45° fixed inclined position.…

Q: Correct the view that is incomplete. Subject: blueprint for welders

A: In drawing, the holes if not visible directly are shown by dotted line because drawing is the…

Q: Why should there be a space between the plates whenmaking a fillet weld on thick plates of a tee…

A: Fillet welding refers to the process of joining two pieces of metal together when they are…

Q: Mechanical assembly is carried using ___________ components. a. Nuts and bolts. b. Gas welding c.…

A: Mechanical assembly  means joining of two or more parts together. In other words Mechanical assembly…

Q: 33- Which one of the followings is not used for heating the joining materials for soldering and…

A:

Q: What is the key to preventing accidents in a weldingshop?

A: Following the safety rules, regulations and the procedures for the welding process are the key…

Q: Why must a welding machine’s duty cycle never beexceeded?

A: A load or circuit's duty cycle is the proportion of time spent ON to time spent OFF. Duty cycle,…

Q: Name three methods used to perform welding, cutting, or blazing operations?

A:

Q: is the melting temperature range of soft soldering. a. 183°C-212°C b. 500°C-650°C c. 150°C-175°C d.…

A: Soft solder regularly incorporates a softening point run of 90 to 450 °C (190 to 840 °F; 360 to…

Q: when making a vertical weld and it appears that the weld metal is going to drip over the shelf, what…

A: In vertical weld, the welding is done from the bottom position to vertically upwards position. In…

Q: why must the tip of the tungsten be hot?

A: Given : Tungsten Tip

Q: Why must cast iron weld metal be ductile

A: Cast iron is the alloy of carbon and iron. Cast iron has high hardness due to presence of high…

Q: what describe the soldering motheds in detail

A:

Q: 3. Compare Traditional and Modern Welding Machine. (Use Comparison Tables)

A: Given Welding machine To find Comparison table for Traditional welding machine and Modern welding…

Q: 24. Why is it important not to strike the arc outside of the weld joint?

A: Welding is a fabrication process in which two similar metals or dis similar metal are joined with…

Q: What protects the molten weld pool from oxidationduring a gas weld?

A: According to the oxyfuel gas welding   Primary reaction C2H2 + O2 = 2CO + H2 + LOSTS OF HEAT…

Q: After the weld is set up and ready to begin, how mightthe welder want to check for freedom of…

A: Welder method for determine the degree of freedom

Q: 2. Working principle of Welding Machine

A: The welding machine works on the principal of conversion of electric energy into heat energy or into…

Q: What is the first weld bead of a multiple pass weld called?

A: Root Pass  is the first weld bead placed in the weld joint in a multi-pass weld.

Q: 39 - Characteristics of a good brazing flux include: 1. low melting temperature II. low viscosity so…

A: Correct option is C )

Q: What helps hold the weld in place on a 4G weld?

A: 4G weld :-  It is an overhead position used for butt welds. Welders need to hold the torch from…

Q: The temperature range for soldering process is 1) 40°C to 100°C 2) 180°C to 250°c 3) 300°C to 500°C…

A: Soldering is a process of joining of metals with non ferrous filler metal. The temperature is below…

Q: Name 3 methods used to perform welding, cutting, or blazing operations ?

A:

Q: With the use of an Alloy joining two or more metal pieces called as Select one: a. Printing b.…

A:

Q: What can happen to the weld pool if the torch movement is too long?

A: 'Weld pool' is a term used in the terminology of the welding process. Weld pool is the molten metal…

Q: 2. Give the definition of Modern Welding Machine.

A: Conventionally, welding is defined as a permanent joining process of two metals by the application…

Q: ndividual weld nuggets formed are s to form a sealed seam. The powe ated that goes into the…

A: given:thickness t=5mmE=2.9J/mm3current I=6000At=0.3secdw=6mmtw=3mm

Q: Soldering is an example of O a. Surface finishing operations. O b. Material removal process. O C.…

A: Soldering is a temporary joining process...

Q: Joining the sheets at specific locations under the heat and pressure is known as Select one: a.…

A:

Q: Who is ultimately responsible for the welder’s safety?

A: Welding is a process in which a large amount of the gasses and heat released if all these are not…

Q: types of welding seams and their uses

A: Answer is given below

Q: Why does a welding rod sticks?

A: Welding: Welding is a process of joining two or more parts by fusing together with the application…

Q: report about Soldering.

A:

Q: Wielding is the only method of joining to ferrous metals together to make a permanent connection.

A:

Q: What is the higher voltage at the electrode before the arcis struck called? What is its advantage to…

A: Arc welding is the process of joining metal pieces together with high heat from an arc that is…

Q: Hard soldering uses alloy of silver and _______ metal. a. Zinc b. Tin c. Lead d. Copper

A:

Q: 5. The temperature of the hard soldering or silver brazing is 842F°. (a) above (b) equal (c) under

A: The temperature of the hard soldering or silver brazing is about 1145°F to 1650°F

Q: What will be the notation of throat length of a fillet weld

A: Given data⇒ Fillet weld Throat length

Q: type of electric welding workpiece used in welding,(Electric welding)

A: Types of workpiece used is -

Q: By which type of a datum the welder determine the reference point, line or surfaces for welding…

A: A Datum is a point of reference with respect to which manufacturing processes are done to a…

Q: Describe two methods of striking an arc with an electrode

A: There are two methods of striking an arc   Scratching   Tapping

Joining Processes

It is the process of permanent or temporary joining of two metal pieces with the help of heat or pressure. Two metal parts are assembled by applying an energy source for the formation of a single unit. The obtained joined metals cannot be fragmented easily with the application of any force.