Fibrous fracture is normally encountered in the ____________________ materials?

Related Mcqs:

1. The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?

   A. Rigid
   B. Tough
   C. Ductile
   D. Plastic

2. The most serious manufacturing defect from fracture toughness point of view is____________________?

   A. Surface roughness
   B. Pores
   C. Spherical inclusion
   D. Crack

3. Which of the following is not a characteristic observed in material failure by fatigue fracture ?

   A. Plastic deformation of material does not occur
   B. Initiation of crack from below the surface does not occur
   C. Initiation of crack occurs on the surface of the machine part
   D. Presence of both rough & smooth zone with conchoidal markings in smooth zone of the

4. Window panes of aeroplanes are normally made of_____________________?

   A. Perspex (PMMA)
   B. Teflon (PTFE)
   C. Bakelite (phenol formaldehyde)
   D. Polystyrene

5. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines ?

   A. Air filter
   B. Fuel injector
   C. Exhaust silencer
   D. Battery

6. _____________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low?

   A. Bucket
   B. Throttling
   C. Separating
   D. A combination of separating & throttling

7. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will____________________?

   A. Increase
   B. Decrease
   C. Remain unaffected
   D. May increase or decrease; depends on the thickness of each layer

8. The joint for soldering is supported by binding wire made of ____________________?

   A. Mild steel
   B. Copper
   C. Soft iron
   D. Stainless steel

9. Adiabatic compression of a saturated water vapour makes it ____________________ ?

   A. Supersaturated
   B. Superheated
   C. Both A. and B
   D. Neither A. nor B

10. Addition of a non-volatile solute to a pure solvent ____________________?

    A. Increases its freezing point
    B. Increases its boiling point
    C. Decreases its freezing point
    D. Both B. and C.