The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to l00°C will _________________?

Related Mcqs:

1. The ultimate tensile strength of low carbon steel by working at a high strain rate will_________________?

   A. decrease B. increase C. remain constant D. first increase and then decrease E. first decrease and then increase...

2. The tensile strength of wrought iron is maximum _________________?

   A. along the lines of slag distribution B. perpendicular to lines of slag distribution C. uniform in all directions D. unpredictable E. none of the above...

3. Tensile strength of steel can be safely in-creased by________________?

   A. adding carbon up to 2.8% B. adding carbon up to 6.3% C. adding carbon up to 0.83% D. adding small quantities of copper E. adding copper and carbon...

4. The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as________________?

   A. hysteresis B. creep C. visco elasticity D. Boeschinger effect E. inelasticity...

5. Super conduction by metals is observed in the temperature range of_________________?

   A. below 10°K B. above 100°K C. around 0°C D. around 100°C E. above 1000°C...

6. Slow plastic defomiation of metals under a constant stress is known as________________?

   A. creep B. fatigue C. endurance D. plastic deformation E. non-plastic deformation...

7. Which one of the following metals would work-harden more quickly than the others__________________?

   A. copper B. brass C. lead D. silver E. aluminium...

8. The property of a fluid which enables it to resist tensile stress is known as___________________?

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

9. Which of the following substance will have same percentage in both proximate and ultimate analysis___________________?

   A. ash B. volatile matter C. moisture D. hydrogen E. none of the above...

10. Ultimate analysis of fuel is determination of percentage of____________________?

    A. carbon, hydrogen, nitrogen, sulphur, moisture B. fixed carbon, ash, volatile matter, moisture C. higher calorific value B. lower calorific value E. best analysis...