Powder-Actuadted

Question 1

A powder-actuated tool should ____ ____ ____ until its ready for fastening.

Answer 1

Never be loaded

Question 2

What PPE must be worn while using powder-actuated tools?

Answer 2

Eye protection, hearing and steel toes

Question 3

What shouldn’t you drive a fastener into?

Answer 3

Into a “spalled” or chipped surface, i.e. over an uneven area where a previous fastener was unsatisfactory.

Question 4

What should you make sure before shooting into a surface?

Answer 4

Make sure its backed with a surface that will prevent the fastener from going through completely.

Question 5

The low-velocity tool incorporates a captive piston. This means that, when the cartridge is fired, the force of the explosion acts as a piston and moves at a speed less then ______ per second.

Answer 5

100 m (325 ft.) per second

Question 6

What type of gun is a medium velocity and what velocity does the fastening pin travel at?

Answer 6

Ramset

Travels from 100 - 150m (325 to 500ft) per second

Question 7

Name a high velocity PAHT and what is the difference?

Answer 7

Omark Remington Phillips

The fastening pin is discharged at a velocity above 460m (1500ft) per second. Has no piston.

Question 8

In indirect-acting tools, the piston acts on the fastener in one of 3 ways, what are they?

Answer 8

1. impact
2. contact
3. co-acting

Question 9

What built in safety features does the powder actuated tool have?

Answer 9

1. A captive piston
2. A device to prevent it from firing if its held at an angle of more then 7 degrees. Must be flat agaisnt a work area.
3. A stop ring to absorb impact.