Kindly answer the question in the box mentioned below:

1. The purpose of the soldering flux is to....

A maintain uniform soldering

B prevent the highly corrosive effect

C penetrate easily on the joint surface

D prevent re-oxidation during the soldering process

2. The substance which facilitates the flow of the solder through surface to be soldered is called as...

A solder

B soldering bit

C soldering flux

D bonding agent

3. Which method of soldering is widely used for soft soldering?

A Dip soldering

B Soldering iron

C Soldering gun

D Soldering with a flame

4. Soldering gun method is used for soldering.....

A soft soldering work

B the components on PCB

C servicing and repair work

D piping and soldering work

5. In which method of soldering, the temperature can be controlled very accurately?

A Dip soldering

B Soldering iron

C Soldering with flame

D Soldering gun method

6. Most of the soldering iron bits are made of copper because it is.....

A easy to clean

B having high melting point

C good conductivity of heat

D cheaper than other material

7.  Which type of soldering method is shown in Fig?

A Dip soldering

B Soldering gun

C Soldering iron

8. To make a good soldering joints, the bit must be....

A held firmly on the soldering iron

B applied over the job uniformly

C maintain clean and smooth

D heated upto the maximum range

9. If the iron plated bits are the good remedy is to....

A file the worn out bit

B replace with new bit

C recondition the worn out bit

D clean the bit by using wire brush

10. The process, in which the tip of the soldering iron is coated with the solder is known as....

A surface soldering

B applying the solder

C wetting of soldering

D tinning of soldering iron