A. 5°
B. 8°
C. 15°
D. 25°
E. 40°.
Related Mcqs:
- 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 - Taper on the cotter and slot is provided_________________?
A. on both the sides
B. on one side only
C. on none of the sides
D. may be provided anywhere
E. none of the above - The included angle in unified of American National threads is___________________?
A. 60°
B. 55°
C. 47°
D. 29°
E. none of the above - Antifriction bearings are__________________?
A. sleeve bearings
B. hydrodynamic bearings
C. thin lubricated bearings
D. ball and roller bearings
E. none of the above - In hydrostatic bearings ____________________?
A. the Oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease is used for lubrication
E. none of the above - 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 - The notch angle of the Izod impact test specimen is________________?
A. 10°
B. 20°
C. 30°
D. 45°
E. 60°. - The edges of a boiler plate are bevelled to an angle of______________?
A. 30°
B. 45°
C. 60°
D. 80°
E. 85°. - The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for_________________?
A. reducing stress concentration
B. ease of manufacture
C. safety
D. fullering and caulking
E. all of the above - For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately________________?
A. 0.4 times
B. 0.6 times
C. 0.7 times
D. 0.8 times
E. 0.9 times the normal diameter of bolt
