The carbon percentage is least in__________________?

Related Mcqs:

1. Carbon electrodes are not used in_______________?

   A. GLS lamps B. electric arc furnace C. dry cells D. cinema projectors...

2. A carbon resistor contains_____________?

   A. carbon crystals B. solid carbon granules C. pulverized coal D. finely divided carbon black...

3. Carbon rods are used in wet and dry cells because_____________?

   A. carbon rod serves as conductor B. carbon can resist the attack of battery acid C. both (A) and (B) D. either (A) or (B)...

4. Carbon resistors are used extensively because they are____________?

   A. easy to make B. compact C. inexpensive D. all of the above reasons...

5. Carbon bearings are used under which of the following conditions ?

   A. Where lubrication is difficult or im-possible B. Where corrosive chemical action exists C. Where high temperature exists D. All of the above...

6. The covalent bond is formed by_______________?

   A. transfer of electrons between atoms B. sharing of electrons between atoms E. sharing of variable number of electrons by a variable number of atoms D. none of the above...

7. highest conductivity_____________?

   B. lowest temperature co-efficient C. good mechanical strength D. good corrosion resistance E. easy solderable and drawable quality F. all of the above...

8. Constantan contains_______________?

   A. silver and tin B. copper and tungsten C. tungsten and silver D. copper and nickel...

9. Non-linear resistors______________?

   A. produce harmonic distortion B. follows Ohm’s law at low temperatures only C. result in non-uniform heating D. none of the above...

10. is the property of absorbing moisture from atmosphere_____________?

    A. Solubility B. Viscosity C. Porosity D. Hygroscopicity...