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
Related Mcqs:
- 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 - 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 - 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 - 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 - Spring index is___________________?
A. ratio of coil diameter to wire diameter
B. load required to produce unit deflection
C. its capability of storing energy
D. indication of quality of spring
E. nothing - The crest diameter of a screw thread is same as _____________________?
A. major diameter
B. minor diameter
C. pitch diameter
D. core diameter
E. none of the above - Jam nut is a locking device in which _____________________?
A. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B. a slot is cut partly in middle of nut and then slot reduced by tightening a screw
C. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D. through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter spitted and bent in reverse direction at other end
E. none of the above - Fatigue strength can be increased by__________________?
A. cold working
B. shot peening
C. grinding and lapping surface
D. hot working
E. using gradual changes of section - The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be________________?
A. 28
B. 8/2
C. 48
D. 8/4
E. none of the above - Which of the following pipe joints would be suitable for pipes carrying steam_____________?
A. flanged
B. threaded
C. bell and spigot
D. expansion
E. compression
