Craft Instructor Training Scheme. Welder Mock Test

Welder Level 1Craft Instructor Training Scheme CTS and CITS.

Mock Test Level 1.Craft Instructor Training Scheme. CTS and CITS, Welder, Gas & Electric.

 

1. Which of these is NOT a source of danger in electric arc welding?

A) Ultraviolet radiation
B) Ultrasonic waves
C) Flying sparks
D) High voltage, low current discharge

ANSWER= (B) Ultrasonic waves

 

2. Two methods of striking an electric arc are .....

A) Scratch and sniff
B) Scratch and tap
C) Strike and scrap
D) Scrap and sniff

ANSWER= (B) Scratch and tap

 

4. Leftward gas welding technique is used for mild steel plates up to the thickness of .....

A) 1.5 mm
B) 3.0 mm
C) 5.0 mm
D) 10.0 mm

ANSWER= (C) 5.0 mm

 

5. In gas cutting, too much of ... makes the incomplete cut with rough edges.

A) Gas pressure
B) Clearance
C) Preheat
D) Speed

ANSWER= (D) Speed

 

6. The distance from the work surface to the top of the weld bead is known as ........

A) Penetration
B) Reinforcement
C) Bead width
D) HAZ

ANSWER= (B) Reinforcement

 

8.When using a fire extinguisher to extinguish a fire, it should be

A) Pointed at the base of the fire
B) Moved up and down to cool the fire
C) Pointed at the top of the flames
D) Held within 150 mm from the flames

ANSWER= (A) Pointed at the base of the fire

 

9. The voltage present when the welding machine power switch is in the ON position, but no welding is taking place is called .......

A) Open circuit voltage
B) Operating voltage
C) Arc voltage
D) High-frequency voltage

ANSWER= (A) Open circuit voltage

 

10.Rectifiers are noted for their ability to ........

A) Control welding power
B) Reduce spatter
C) Change AC to DC current
D) Reduce arc blow

ANSWER= (C) Change AC to DC current