Heat exchanger tubes are never made of:

Related Mcqs:

1. Vacuum tubes have been replaced by__________?

   A. Conductors
   B. Diodes
   C. Transistors
   D. None of these

2. Which body part in Human never grow?

   A. Pupil of eye
   B. Kidney
   C. Liver
   D. None of these

   Submitted by: fahad mehsud

3. Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

   A. Conduction
   B. Convection
   C. Radiation
   D. Reflection
   E. None of these

4. The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________?

   A. Sedimentary rocks
   B. Metamorphic rocks
   C. Igneous rocks
   D. All of the above

   Submitted by: Mansoor Ul Haque

5. The Scientist who told “Heat is a form of Energy” was___________?

   A. Thomas Alva Edison
   B. Newton
   C. Joule
   D. Kepler

   Submitted by: Anand Hanjhro

6. Which variety of glass is heat resistant?

   A. Bottle glass
   B. Flint glass
   C. Hard glass
   D. Pyrex glass

   Submitted by: ABDUL HAYEE

7. During which process does heat transfer occur because of density differences__________?

   A. Convection 
   B. Radiation
   C. Conduction
   D. None of these

   Submitted by: Rida

8. The gas heater gives us heat by __________?

   A. Radiation
   B. Conduction
   C. Convection
   D. Environmental pressure

   Submitted by: Mansoor Ahmed Suhag

9. The best conductor of heat among liquid is___________?

   A. Water
   B. Mercury
   C. Ether
   D. Alcohol

   Submitted by: Fahad Mehsud

10. Which of the following is good conductor of heat but bad conduct of electricity?

    A. Aluminium
    B. Titanium
    C. Abestos
    D. Mica

    Submitted by: Abid Hussain