Kindly answer the question in the box mentioned below:

1. The process of joining two metal plates (or) conductors without melting them is called as...

A brazing

B welding

C soldering

D galvanizing

2. What is the necessity of soldering joints?

A To extend the connection of wiring

B To inspect soldered joints easily

C To give good appearance of soldered joints

D For good mechanical strength and electrical conductivity

3. The composition of Tinman’s solder is....

A Tin 35% and lead 65%

B Tin 50% and lead 50%

C Tin 60% and lead 40%

D Tin 90% and lead 10%

4. The fine solder is used for....

A tinning

B fine soldering

C heavy duty soldering

D soldering electrical joints

4. The metal alloy used as a bonding agent in soldering is called as...

A solder

B soldering bit

C soldering flux

D molten solder

5. The substance used to dissolve oxides on the surface of conductor during the soldering process is called as....

A fine solder

B soldering bit

C soldering flux

D molten solder

6. Zinc chloride soldering flux is used for soldering....

A zinc

B bronze

C gun metal

D galvanized iron

7. The soldering flux which is used for soldering electrical conductors is.....

A Resin

B zinc chloride

C sand aluminum

D hydrochloric acid