What treatment you should give to a person who suffered from electric shock?
A. Given an alcoholic drink
B. Given a cold drink
C. Made to walk
D. Keep warm and comfortable
How much gap is maintained between the grinding wheel and the work rest on a pedestal grinder?
A. 4 to 5 mm
B. 3 to 4 mm
C. 2 to 3 mm
D. 1 to 2 mm
Which tool is used to open the cylinder valves?
A. Wrench
B. Spindle key
C. Cutting player
D. Adjustable spanner
Which material is used to check the leakage of acetylene regulator connections?
A. Salt water
B. Plain water
C. Soap water
D. Chemical water
What action to be taken if a person in still contact with electric supply?
A. Break the contact by hand
B. Break the contact by dry wood
C. Break the contact by using iron rod
D. Break the contact by pushing with leg
What is done to avoid injury to fingers after hacksawing or chiselling a metal piece?
A. Filing
B. Cleaning
C. Grinding
D. Deburring
Which is the method to control back fire while welding?
A. Close oxygen control valve
B. Close acetylene control valve
C. First close the oxygen cylinder valve
D. First close the acetylene cylinder valve
Which hand tool is used to remove excessive adhering slag after gas cutting?
A. Chisel
B. Flat file
C. Chipping hammer
D. Cross cut hammer
What precaution you will follow in gas welding to avoid fire accidents?
A. Alert to go away
B. Keep fire extinguishers
C. Keep sand buckets near
D. Keep away the inflammable materials
Which injury is to be covered immediately by clean cloth on affected portion of the body?
A. Cut injury
B. Burn injury
C. Crush injury
D. Broken injury
Why should a welder clothes be free of oil or grease while welding?
A. To protect the job
B. To reflect the arc rays
C. To avoid catching of fire
D. To protect the welding machine
Which is the treatment given to a person affected by accident on the spot?
A. First aid
B. Second aid
C. First treatment
D. Second treatment
Which type of welding is done by a small hand weld gun with a non-consumable electrode?
A. SMAW
B. GMAW
C. GTAW
D. Induction welding
How a defective cutting nozzle is cleaned and rectified in gas cutting torch?
A. Wire brush
B. Safety pins
C. Silicon spray
D. Nozzle cleaner + Emery paper
What is the thickness of the plate that can be cut by using 0.8 mm cutting nozzle?
A. Upto 6 mm
B. Upto 19 mm
C. Upto 100 mm
D. Upto 150 mm
Which gas flame combination is preferable for under water gas cutting of steel?
A. Oxy coal gas
B. Oxy acetylene gas
C. Air acetylene gas
D. Oxy liquid petroleum gas
What is the special method for safe storage of acetylene gas in cylinder?
A. Stored in gaseous form
B. Stored in the solid form
C. Stored in semi-liquid form
D. Stored as dissolved gas in liquid acetone
What is the method to produce a straight bevelled cut?
A. Cutting on the marked line
B. Bending the torch at inclined angle
C. Supporting the nozzle head on the plate
D. Using two straight bars clamped as a guide
What are the impurities contained in generated acetylene gas?
A. Oxygen, hydrogen and carbon
B. Carbon monoxide unburnt ash
C. Hydrogen, dust particles, ash
D. Hydrogen, lime dust, ammonia and water vapour
Which material is stored at the bottom compartment of acetylene gas purifier?
A. Filter wool
B. Baffle plate
C. Pumice stone
D. Purifying Chemicals