Spring index is___________________?

Related Mcqs:

1. The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is_________________?

   A. larger
   B. smaller
   C. equal
   D. larger/smaller depending on diameter of spring coil
   E. unpredictable

2. Spring stiffness is__________________?

   A. ratio of coil diameter to wire diameter
   B. load required to produce unit deflection
   C. its capability of storing energy
   D. its ability to absorb shocks
   E. none of the above

3. When a close coiled helical spring is compressed, its wire is subjected to________________?

   A. tension
   B. shear
   C. compression
   D. all of the above
   E. none of the above

4. If a spring is cut down into two springs, the stiffness of cut springs will be _________________?

   A. half
   B. same
   C. double
   D. unpredictable
   E. none of the above

5. Form coefficient of spring is _____________________?

   A. ratio of coil diameter to wire diameter
   B. load required to produce unit deflection
   C. its capability of storing energy
   D. concerned With strength of wire of spring
   E. nothing

6. The included angle in unified of American National threads is___________________?

   A. 60°
   B. 55°
   C. 47°
   D. 29°
   E. none of the above

7. An alien bolt is___________________?

   A. self locking bolt
   B. same as stud
   C. provided with hexagonal depression in head
   D. used in high speed components
   E. provided with countersunk head

8. The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is___________________?

   A. 0.01 micron
   B. 0.1 micron
   C. 1 micron
   D. 10 microns
   E. 25 microns

9. In standard taper roller bearings, the angle of taper of outer raceway is___________________?

   A. 5°
   B. 8°
   C. 15°
   D. 25°
   E. 40°.

10. A hot short metal is_________________?

    A. brittle when cold
    B. brittle when hot
    C. brittle under all conditions
    D. ductile at high temperature
    E. hard when hot