A. wood-ruff key
B. feather key
C. flat saddle key
D. gib head key
E. hollow saddle key
Related Mcqs:
- 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 - The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is___________________?
A. 0.01 micron
B. 0.1 micron
C. 1 micron
D. 10 microns
E. 25 microns - 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 - 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 - The property of a material which enables it to resist fracture due to high impact loads is known as__________________?
A. elasticity
B. endurance
C. strength
D. toughness
E. resilience - The endurance limit of a material with finished surface in comparison to rough surface is_________________?
A. more
B. less
C. same
D. more or less depending on quantum of load
E. unpredictable - Which is correct statement ?
A. a member made of steel will generally be more rigid than a member of equal load-carrying ability made of cast iron
B. a member made of cast iron will generally be. more rigid than a member of equal load carrying ability made of steel
C. both will be equally rigid
D. which one is rigid will depend on several other factors
E. none of the above - If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation_______________?
A. 102 d
B. 124 d
C. 138 d
D. 151 d
E. 168 d - When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at_______________?
A. shank
B. head
C. in the middle
D. at the thread
E. anywhere in the bolt - If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to___________________?
A. 0.2
B. 0.25
C. 0.50
D. 0.6
E. 0.75
