A. foundation purposes
B. locking devices *
C. absorbing shock and vibrations
D. transmission of power
E. lifting and transportation of machines and cubicles
Related Mcqs:
- 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_________________?
A. lOVZ
B. 10VZtol5Vd
C. 15Vdto20VZ
D. 20Vdto30Vd
E. 30V5″to40Vd - The shear plane in case of bolts should_________________?
A. be across threaded portion of shank
B. be parallel to axis of bolt
C. be normal to threaded portion of shank
D. never be across the threaded portion
E. none of the above - Allen bolts are___________________?
A. self locking bolts
B. designed for shock load
C. used in aircraft application
D. provided with hexagonal depression in head
E. uniform strength bolts - The connecting rod bolts are tightened up so that tightening stress _________________?
A. is just sufficient to hold parts together
B. approaches yield point
C. is 50% of yield point
D. is about yield point divided by safety factor
E. none of the above - The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?
A. joint may not open up
B. bolts are weakest elements
C. the resultant load on the bolt would not be affected by the external cyclic load
D. bolts will not loosen during service
E. none of the above - Brittle coating technique is used for_________________?
A. determining brittleness
B. protecting metal against corrosion
C. protecting metal against wear and tear
D. experimental stress analysis
E. non-destructive testing of metals - 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 - Stress concentration is caused due to_____________________?
A. variation in properties of material from point to point in a member
B. pitting at’points or areas at which loads on a member are applied
C. abrupt change of section
D. all of the above
E. none of the above - For applications involving high stresses in one direction only the following type of thread would be best suited______________________?
A. ISO metric thread
B. acme thread
C. square thread
D. buttress thread
E. British Association thread - Antifriction bearings are__________________?
A. sleeve bearings
B. hydrodynamic bearings
C. thin lubricated bearings
D. ball and roller bearings
E. none of the above
