A. increases the fatigue strength
B. decreases the fatigue strength
C. has no influence on fatigue strength
D. alone has no influence on fatigue strength
E. none of the above
Related Mcqs:
- Which of the following is not correct procedure to increase the fatigue limit_______________?
A. cold working
B. shot peening
C. surface decarburisation
D. under-stressing
E. all of the above - The notch angle of the Izod impact test specimen is________________?
A. 10°
B. 20°
C. 30°
D. 45°
E. 60°. - The permissible stress for carbon steel under static loading is generally taken as__________________?
A. 2000-3000 kg/pm2
B. 3000-4000 kg/cm2
C. 4000-4500 kg/cm2
D. 7500-10,000 kg/cm2
E. 10,000-15,000 kg/cm2 - 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 - 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 - The edges of a boiler plate are bevelled to an angle of______________?
A. 30°
B. 45°
C. 60°
D. 80°
E. 85°. - 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 - Basic shaft is one__________________?
A. whose upper deviation is zero
B. whose lower deviation is zero
C. whose lower as well as upper deviations are zero
D. does not exist
E. none of the above - Aircraft body is usually fabricated by_________________?
A. welding
B. precasting
C. rivetting
D. casting
E. unconventional methods - A bench vice has following type of threads____________________?
A. metric
B. square
C. buttress
D. acme
E. BSW
