Injection torches can use fuel gases with pressure as low as:

Oxygen and acetylene hoses should be color coded. Which of the given answers is correct?

It is considered a line pressure gauge.

A typical characteristic of a neutral flame is

The term “cracking” means:

To prevent the cylinder valves from breaking down, these should be provided with

Refers to the process of joining two pieces of metal together when they are perpendicular or at an angle. 

Why is the cleaning of the surface and edges of metal so important?

Why is airtight fit-up necessary for Tee-joint preparation?

Removal of metal scales, old paints, and rust in metal are easy with the use of a:

The beveled joint is considered “critical” in the category of welding. This means that    __________

An electrode oven with a maintaining temperature of 70 °C+/- 10 is called _____.

An oven that holds a temperature of 150 °C+/-20 is called _____.

Which electrode is used for mild steel?

Which electrode is used for low alloy steel?

The appropriate power supply for E-6013 is

The tensile strength of E-7018 electrode is equivalent to_______.

The welding position for E-6013 is

The appropriate electrode for stainless steel is

It covers the face and allows the welder to see legibly on weldment while performing welding.

Protects the eyes from weld sparks and must always be worn by a worker in the shop.

This is a transparent hard plastic covering the face while clearing and grinding.   

These are protective glasses set in a flexible frame that fits snugly against the face.

This is a front-body protection device while welding.

This is worn by the welder during welding difficult positions.

It refers to the usual personal clothing of a welder such as over-all, welding apron, or welding jacket.

These are worn by welders to protect the hands from heat and burns.

These are made of chrome leather, and they protect our feet from spattering heat.

An equipment that protects the welder from fumes and odor of industrial waste.

What process uses a length of a flux-coated electrode which provide filler material metal and atmospheric shielding?

It is a tool with an insulated handle to hold the non-coated part of the electrode.

Which of these statements is NOT true about the function of the power source or welding machine?

Which part of the AC welding power source is rotated either clockwise or counterclockwise until the marker in the indicator is set to the desired current?

Which part of the AC welding power source provides the current output reading of the welding machine?

In AC power source, these terminals provide cable connection from the main power supply.

In an AC power source, this terminal provides an electrode holder cable and return cable connections to the welding machine.

These welding power sources are step-down transformers that provide safe welding voltage.

This cable is connected to the electrode holder.

In this type of electrode holder, the electrode is inserted in the head and gripped by twisting the handle.

In this type of electrode holder, the electrode is simply gripped in its spring-loaded jaws.

Which of these statements is NOT appropriate about electrode holders?

In welding set-up safety, the arc welding should be properly placed in the worksite and should be free from falling _______.

In welding set-up safety, the machine should be stacked to save space, but there must be room enough in the machine for the air to circulate thus preventing _________.

Which of these statements is NOT appropriate about welding set-up safety?

What amperage range is applicable for a 2.5 mm electrode?

What amperage range is applicable for a 3.2 mm electrode?

What amperage range is applicable for a 4.0 mm electrode?

Devices used to speed up production and lower the cost per unit is called ______.

Which statement is NOT true about the purpose of welding positioner?

Which statement is NOT true about the function of fixtures?