__________ is a hard solder?

Related Mcqs:

1. Solder is an alloy of______________?

   A. copper and aluminium B. tin and lead C. nickel, copper and zinc D. silver, copper and lead...

2. The formula __________ determines the number of electrons that can be accommodated in any level?

   A. 2n2 B. 4n2 C. 2n3 D. 4ns...

3. __________ is the main constituent of glass?

   A. Fe203 B. Si02 C. AI2O3 D. B2O3...

4. Selenium is __________ semiconductor?

   A. extrnisic B. intmisic C. N-type D. P-type...

5. Commonly used conducting materials are_____________?

   A. copper B. aluminium C. both (A) and (B) D. copper and silver E. platinum and gold...

6. An H.R.C. fuse is_______________?

   A. a ceramic body having metal and caps B. a wire of platinum C. a heavy cross-section of copper or aluminium D. a ceramic tube having carbon rod inside it...

7. In thermocouples which of the following pairs is commonly used ?

   A. Copper-constantan B. Aluminium-tin C. Silver-German silver D. Iron-steel...

8. In a crystal, an atom vibrates at a frequency determined by_______________?

   A. the heat content of the crystal B. the temperature of the crystal C. the stiffness of the bonds it makes with neighbors...

9. Which of the following materials is used for making coils of standard resistances ?

   A. Copper B. Nichrome C. Platinum D. Manganin...

10. The photo-electric effect occurs only when the incident light has more than a certain critical____________?

    A. intensity B. speed C. frequency D. wave length...