The temperature at which new grains are formed in the metal is called the ______________ temperature?

Related Mcqs:

1. Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about_______________?

   A. Half
   B. One third
   C. One fifth
   D. One twelfth

2. The high expansion metal normally used in the bimetallic thermometer is _______________ temperature measurement?

   A. Brass for low
   B. Nickel alloys for high
   C. Both A. & B.
   D. Aluminium for all

3. Nickel base alloys with ______________ are known as monel metal?

   A. Zinc
   B. Tin
   C. Copper
   D. Molybdenum

4. A metallic alloy in which one of the constituent metal is _____________, is called an amalgam?

   A. Zinc
   B. Mercury
   C. Lead
   D. Tin

5. The electrical conductivity of a ______________ decreases with rise in temperature?

   A. Metal/alloy
   B. Semi-conductor
   C. Dielectric
   D. None of these

6. Zinc is highly ______________ at room temperature?

   A. Ductile
   B. Resistant to atmospheric corrosion
   C. Malleable
   D. Brittle

7. Which of the following metals in not used for coating of the base metal to guard it against corrosion ?

   A. Lead
   B. Cadmium
   C. Magnesium
   D. Aluminium

8. Metal at the top of the electromotive series is________________?

   A. Least active
   B. Most stable
   C. Most active
   D. Most noble

9. Babbitt metal (used for making bearings) comprises of__________________?

   A. Mainly tin (85%) and lead
   B. Saw dust and iron dust mixture
   C. Zinc and aluminium
   D. Copper and aluminium

10. Mercury is transported in metal containers made of________________?

    A. Aluminium
    B. Iron
    C. Lead
    D. Nickel