A. 30°
B. 45°
C. 60°
D. 80°
E. 85°.
Correct Answer: 80° ✔
Last Updated: January 27, 2019
Related MCQs
- Machine screws are__________?
- A self locking screw has__________>
- Which is correct statement ?
- The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of__________?
- A bolt__________?
- 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__________?
- The following type of nut is used with alien bolt__________?
- Shear stress theory is applicable for__________?
- For applications involving high stresses in one direction only the following type of thread would be best suited__________?
- The function of a washer is to__________?
- Ball bearing type screws are found in following application__________?
- An alien bolt is__________?
- Set screws are__________?
- The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be__________?
- Cap screws are__________?
- The included angle in unified of American National threads is__________?
- A tap bolt__________?
- A stud__________?
- Maximum principal stress theory is applicable for__________?
- The crest diameter of a screw thread is same as __________?
- At low temperatures (say 75°C) the notched-bar impact value of steel__________?
- For steel, the ultimate strength in shear as compared to ultimate strength in tension is __________?
- Resistance to fatigue of a material is measured by__________?
- The ratio of endurance limit in shear to the endurance limit in flexure is__________?
- Residual stress in materials__________?
- Cold working__________?
- In nitrated parts, the origins of the fatigue cracks will occur at__________?
- Which process will increase the fatigue duration of parts ?
- The building up of worn and uridersized parts, subjected to repeated loads by electroplating is__________?
- Yield point in fatigue loading as compared to static loading is__________?
- The fatigue limit of a material__________?
- The ultimate strength of steel in tension in comparison to shear is in the ratio of__________?
- The permissible stress for carbon steel under static loading is generally taken as__________?
- A hot short metal is__________?
- Rankine’s theory of failure is applicable for following type of materials__________?
- Tensile strength of a mild steel specimen can be roughly predicted from following hardness test__________?
- 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__________?
- If a load W is applied instantaneously on a bar; then the stress induced in bar will__________?
- Stress concentration is caused due to__________?
- Plastic flow in ductile materials__________?
- The fatigue life of a part can be improved by__________?
- Stress concentration in cyclic loading is more serious in__________?
- Fatigue strength can be increased by__________?
- Coaxing is the procedure of increasing__________?
- The notch angle of the Izod impact test specimen is__________?
- In testing a material for endurance strength, it is subjected to__________?
- In Vicker’s hardness testing, the pyramid indentor apex is__________?
- If a material fails below its yield point, failure would be due to__________?
- Stress concentration in cyclic loading is__________?
- Stress concentration in static loading is__________?
- Which of the following is not correct procedure to increase the fatigue limit__________?