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Plumber
WELDING
Set 6
Set 6
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Q10553
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Which type of soldering iron copper tip is heated by a forge?
A
Transformer type electric soldering iron
B
Electric soldering iron
C
Soldering iron (hatchet type)
D
General purpose electric soldering iron
Q10554
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What is the application of fine solder?
A
Soldering brass & copper
B
Galvanized iron sheets
C
Sheet metal application
D
Heaters and general electrical work
Q10555
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Which inorganic flux is used in the form powder or mixed with water to clean the iron or steel surfaces?
A
Ammonium chloride
B
Zinc chloride
C
Phosphoric acid
D
Hydrochloric acid
Q10556
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What is the maximum permitted gap between the two joining surface in brazing?
A
0.06 mm
B
0.07 mm
C
0.08 mm
D
1.00 mm
Q10557
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What is the melting temperature of brazing filler rods used to braze in iron and its alloys?
A
840 Degree Centigrade to 920 Degree Centigrade
B
850 Degree Centigrade to 940 Degree Centigrade
C
860 Degree Centigrade to 950 Degree Centigrade
D
880 Degree Centigrade to 960 Degree Centigrade
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