A. 40°
B. 122°
C. 136°
D. 152°
E. 161°.
Related Mcqs:
- Tensile strength of a mild steel specimen can be roughly predicted from following hardness test_________________?
A. Brinell
B. Rockwell
C. Vicker
D. Shore’s sceleroscope
E. none of the above - In testing a material for endurance strength, it is subjected to_______________________?
A. static load
B. dynamic load
C. impact load
D. static as well as dynamic load
E. completely reversed load - Yield point in fatigue loading as compared to static loading is__________________?
A. same
B. higher
C. lower
D. depends on other factors
E. none of the above - 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 - If an unsupported uniform cross sectional elastic bar is subjected to a longitudinal impact from a rigid bob moving with velocity v, then a compressive wave of intensity sc is propagated through the bar as follows______________________?
A. vpE
B. vVvF
C. WpE/2
D. IvHpE
E. none of the above, where E = modulus of elasticity and p = mass density - The notch angle of the Izod impact test specimen is________________?
A. 10°
B. 20°
C. 30°
D. 45°
E. 60°. - In nitrated parts, the origins of the fatigue cracks will occur at__________________?
A. surface
B. just below the surface
C. within the core
D. could occur anywhere
E. none of the above - A key made from a cylindrical disc having segmental cross-section, is known as______________?
A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key - If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited ________________?
A. square
B. acme
C. buttress
D. BSW
E. metric - A tapered key which fits in a keyway in the hub and is flat on the shaft, is known as___________________?
A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key
