Mechanical Engineering MCQs

Page No. 131

Resilience of a material is considered when it is subjected to_________________?


afrequent heat treatment


bfatigue


ccreep


dshock loading


View Answer shock loading

The total strain energy stored in a body is termed as__________________?


aresilience


bproof resilience


cmodulus of resilience


dtoughness


View Answer resilience

A material capable of absorbing large amount of energy before fracture is known as________________?


aductility


btoughness


cresilience


dshock proof


View Answer toughness

The stress induced in a body due to suddenly applied load compared to when it is applied gradually is________________?


asame


bhalf


ctwo times


dfour times


View Answer two times

A beam is loaded as cantilever. If the load at the end is increased, the failure will occur ___________________?


ain the middle


bat the tip below the load


cat the support


danywhere


View Answer anywhere

The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be _________________?


a1:2


b1 : 3


c1 : 4


d1 : 2.5


View Answer 1 : 3

In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the_________________?


asize of rivet


bsize of the drilled or reamed hole


caverage of size of rivet and hole


dsmaller of the two



Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunched plate in_________________?


atension


bcompression


cbearing


dany one of the above


View Answer tension

A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as______________________?


achain riveted joint


bdiamond riveted joint


ccriss-cross riveted joint


dzig-zag riveted joint


View Answer chain riveted joint

If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called__________________?


achain riveting


bzig zag riveting


cdiamond riveting


dcriss-cross riveting


View Answer diamond riveting

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