UPPSC AE (CE) Quiz 1

Two rigid bodies of mass 5 kg and 4 kg are at rest on a frictionless surface until acted upon by a force of 36 kN as shown in figure. The contact force generated between the two bodies is

If for a given material E = 2G ( E is the modulus of elasticity and G is the modulus of rigidity of the material) then the bulk modulus of K will be:

A prismatic bar of uniform cross-sectional area of 5 cm² is subjected to axial loads as shown in the given figure. Portion BC is subjected to an axial stress of

A 1 kg clock is resting on a surface with coefficient of friction µ = 0.1. A force of 0.8 N is applied to the block as shown in figure. The friction force is:

The forces in the members of simple trusses may be analysed by

A steel rod of 20 mm diameter is used as a tie member in a roof bracing system, and may be subjected to possible reversal of stress due to wind load. What is the maximum permissible length of the member?

The degree of indeterminacy of the beam given below is

If p and d are pitch and gross diameter of rivets, the efficiency (η) of the riveted joint is given by

If in a concrete mix the fineness modulus of coarse aggregate if 7.6, the fineness modulus of fine aggregate is 2.8 and economical value of fineness modulus of combined aggregate if 6.4, then the proportion of fine aggregate is