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
Related Mcqs:
- Which of the following is not correct procedure to increase the fatigue limit_______________?
A. cold working
B. shot peening
C. surface decarburisation
D. under-stressing
E. all of the above - Other method of reducing shock load in the above case can be_________________?
A. to decrease length
B. to increase length
C. unaffected by length
D. other factors would decide same
E. none of the above - If a load W is applied instantaneously on a bar; then the stress induced in bar will___________________?
A. be independent of ratio of mass of load W to mass of bar (y)
B. increase with increase in y
C. decrease with decrease in y
D. depend on other considerations
E. none of the above - Residual stress in materials_________________?
A. acts when external load is applied
B. becomes zero when external load is removed
C. is independent of external loads
D. is always harmful
E. is always beneficial - The crest diameter of a screw thread is same as _____________________?
A. major diameter
B. minor diameter
C. pitch diameter
D. core diameter
E. none of the above - The following type of nut is used with alien bolt____________________?
A. alien nut
B. hexagonal nut
C. slotted nut
D. castle nut
E. any one of the above - Silver-based solder is used for__________________?
A. flaring
B. brazing
C. soft soldering
D. fusion welding
E. none of the above - 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 - In cross or regular lay ropes_________________?
A. direction of twist of wires in strands is opposite to the direction of twist of strands
B. direction of twist of wires and strands are same
C. wires in two adjacent strands are twisted in opposite direction
D. wires are not twisted
E. none of the above - Castle nut is a locking device in which__________________?
A. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B. a slot is cut partly is middle of nut and then slot reduced by tightening a screw
C. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D. through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin spitted and bent in reverse direction at other end
E. none of the above.
