The molecules in a solid move______________?

Related Mcqs:

1. Property of a fluid by which its own molecules are attracted is called___________________?

   A. adhesion
   B. cohesion
   C. viscosity
   D. compressibility
   E. surface tension

2. Solid injection in I.C. engines refers to injection of________________?

   A. liquid fuel only
   B. liquid fuel and air
   C. solid fuel
   D. solid fuel and air
   E. does not exist

3. A liquid would wet the solid, if adhesion forces as compared to cohesion forces are________________?

   A. less
   B. more
   C. equal
   D. less at low temperature and more at high temperature
   E. there is no such criterion

4. The region between the separation streamline and the boundary surface of the solid body is known as__________________?

   A. wake
   B. drag
   C. lift
   D. boundary layer
   E. aerofoil section

5. The natural solid fuels are : ________?

   A. Wood
   B. Peat
   C. Lignite
   D. All of above

   Submitted by: Faheem Zaman Dhaunroo

6. Which of the following solid fuel has high caloric value : ___________?

   A. Wood
   B. Peat
   C. Bituminous coal
   D. Anthracite coal

   Submitted by: Faheem Zaman Dhaunroo

7. Which of the following solid fuel has high carbon content?

   A. Coke
   B. Coal
   C. Peat
   D. None of these

   Submitted by: Faheem Zaman Dhaunroo

8. Mild steel belongs to the following category___________________?

   A. low carbon steel
   B. medium carbon steel
   C. high carbon steel
   D. alloy steel
   E. special steel

9. Machining properties of steel are improved by adding___________________?

   A. sulphur, lead, phosphorous
   B. silicon, aluminium, titanium
   C. vanadium, aluminium
   D. chromium, nickel
   E. lubricants

10. Cyaniding is the process of________________?

    A. dipping steel in cyanide bath
    B. reacting steel surface with cyanide salts
    C. adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
    D. obtaining cyanide salts
    E. making corrosion resistant steel