Resilience of a bolt can be increased by increasing its __________________?

Related Mcqs:

1. A material subjected ________________ must have high resilience?

   A. Shock loading
   B. Vibration
   C. Fatigue
   D. Tension

2. The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased ___________________ times ?

   A. Two
   B. Four
   C. Six
   D. Eight

3. In case of brasses, with decreasing zinc percentage and increasing copper percentage, its _____________ increases ?

   A. Percentage elongation
   B. Brinell hardness
   C. Tensile strength
   D. All A, B & C

4. With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?

   A. Impact strength
   B. Percent elongation
   C. Hardness
   D. Both B & C

5. Increasing sulphur content in pig iron tends to make it ________________?

   A. Soft
   B. Hard
   C. Tough
   D. Ductile & malleable

6. Increasing the carbon content of steel_________________?

   A. Reduces the upper shelf energy
   B. Increasing the ductility transition temperature
   C. Decreases brittleness
   D. Decreases hardness

7. Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?

   A. Anodising
   B. Tempering
   C. Carburising
   D. Annealing

8. The specific gravity of coal depends mainly on its __________________ content ?

   A. Carbon
   B. Volatile matter
   C. Ash
   D. Moisture

9. High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?

   A. 5 to 10
   B. 15 to 25
   C. 45 to 50
   D. 75 to 80

10. The emf of a Deniell cell “Zn | Zn2+ || Cu2+ | Cu” can be increased by_________________?

    A. Decreasing the surface area of the electrodes
    B. Increasing the concentration of zinc sulphate solution
    C. Increasing the surface area of the electrodes
    D. Increasing the concentration of copper sulphate solution