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
Related Mcqs:
- 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 strap end of a connecting rod of steam engine is joined by_________________?
A. gib of cotter joint
B. sleeve and cotter joint
C. spigot socket cotter joint
D. knuckle joint
E. universal coupling - The valve rod in a steam engine is connected to an eccentric rod by_________________?
A. cotter joint
B. bolted joint
C. kunckle joint
D. universal coupling
E. gib and cotter joint - When a nut is tightened by plaping a washer below it, the bolt will be subjected to following type of loads___________________?
A. compression
B. tension
C. shear
D. combined loads
E. all 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 - 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 - Eye bolts are used for_________________?
A. foundation purposes
B. locking devices *
C. absorbing shock and vibrations
D. transmission of power
E. lifting and transportation of machines and cubicles - 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 deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be________________?
A. 28
B. 8/2
C. 48
D. 8/4
E. none of the above
