A hot short metal is_________________?

Related Mcqs:

1. The endurance limit of a material with finished surface in comparison to rough surface is_________________?

   A. more
   B. less
   C. same
   D. more or less depending on quantum of load
   E. unpredictable

2. Stress concentration in static loading is_________________?

   Which is correct statement ?

   A. very serious in brittle materials and less serious in ductile materials
   B. very serious in ductile materials and less serious in brittle materials
   C. equally serious in both types of materials
   D. seriousness would depend on other factors
   E. none of the above

3. The pitch of threads on a Jock nut in comparison to pitch of nut is_________________?

   A. same
   B. coarser
   C. finer
   D. very coarse
   E. very fine

4. Taper usually provided on cotter is_________________?

   A. 1 in 5
   B. 1 in 10
   C. 1 in 24
   D. 1 in 40
   E. 1 in 50

5. 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

6. In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by_________________?

   A. decreasing the cross-section area of’ bar
   B. increasing the cross-section area of bar
   C. remain unaffected with cross-section area
   D. would depend upon other factors
   E. none of the above

7. Maximum principal stress theory is applicable for_____________________?

   A. ductile materials
   B. brittle materials
   C. elastic materials
   D. all of the above
   E. none of the above

8. If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be_________________?

   A. lOVZ
   B. 10VZtol5Vd
   C. 15Vdto20VZ
   D. 20Vdto30Vd
   E. 30V5″to40Vd

9. In order to permit the thermal expansion/contraction of tubing, it should be______________?

   A. crimped
   B. honed
   C. flared
   D. bent
   E. none of the above

10. In V-belt drive, belt touches______________?

    A. at bottom
    B. at sides only
    C. both at bottom and sides
    D. could touch anywhere
    E. none of the above