When does the defect of gouging on cutting face takes place?
A. Too much pre-heating
B. Too slow cutting speed
C. Excessive speed, inadequate pre- heating
D. Too much cutting oxygen pressure
What method of heating is done to remove bending distortion of weld joint with wedge shaped area?
A. Spot heating
B. Pipe – needle heating
C. Triangular heating
D. Checker – board heating
What is the purpose of inspection in welding?
A. Determine faults and quality weld
B. Determine the material
C. Determine the welded metal
D. Determine the electrode fusibility
How many stages are there in visual inspection in NDT?
A. Two stages
B. Three stages
C. Four stages
D. Five stages
Which type of test is generally not used on the final product?
A. Non-destructive test
B. Semi destructive test
C. Destructive test
D. Non destructive & semi destructive
What are the common welding tests performed in workshop?
A. Nick break, free bend, fracture
B. Tensile test
C. Guided bend test
D. Impact and particle test
How many types of common non destructive test are there?
A. 2 types
B. 3 types
C. 4 types
D. 5 types
What type of test is visual inspection test?
A. Non-destructive test
B. Destructive test
C. Non-destructive and destructive
D. Performance test
What is the NDT method using sound as a source?
A. Visual inspection
B. Pressure test
C. Stethoscopic test
D. Magnetic particle test
What activities contribute to the fabrication cost?
A. Preparation, welding, finishing
B. Raw metal, welding, finishing
C. Welding, finishing, transportation
D. Finishing, transportation, marketing
What is the test in which the weld quality is tested without destroying the job?
A. Destructive test
B. Non-destructive test
C. Semi-destructive test
D. Visual inspection test
Which stage the root gap is set in welding process?
A. Before welding stage
B. During welding stage
C. After welding stage
D. Finishing welding stage
Where do we cut 2.0 mm depth by hand saw to conduct Nick-break test?
A. Cut to base metal
B. Cut along centre line of weld
C. Cut to weld metal and base metal
D. Don’t cut to metal
Which is a non destructive test?
A. Without damaging the job
B. With damaging and with distracting
C. Nick break test
D. Free bend test
The welding cost estimation of power cost is (V x A/1000) x (T/60) x (1/E) x rate per unit is formula. What is the ‘E’ identify?
A. Electrode consumed
B. Electrode of weld metal
C. Efficiency of machines
D. Efficiency of weld meter
What is the cost, involving office expenses, lighting, rent etc but not directly related to the job?
A. Power cost
B. Labour cost
C. Finishing cost
D. Over head cost
What is the test to find weld defect using sound waves echo displayed on calibrated screen?
A. Stethoscopic test
B. Radiographic test
C. Ultrasonic test
D. Liquid penetration test
What is the test if the weld specimen is placed in between the x-ray unit and film?
A. Ultra sound test
B. Radiographic test
C. Magnetic particle test
D. Liquid penetrant test
What are the costs involved in welding job?
A. Electrode, power, labour
B. Material and machining
C. Material and preparation
D. Proportion cost and works cost
What type of safety equipment is worn while checking the welding joint of a overhead crane frame?
A. Apron
B. Helmet
C. Hand gloves
D. Hand screen