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# RVUNL_CE_Quiz_98_Revision Quiz

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Question 1

A 10m ladder is placed against a smooth vertical wall with its lower end 5m from the wall. What would be the coefficient of friction between the ladder and floor so that its remains in equilibrium?

Question 2

Momentum is conserved

Question 3

4 solid balls are dropped from a certain height and their weights are m1, m2, m3 and m4 respectively. And their relation is as follows

m1>m2, m2>m3, m4>m1

Which ball reaches ground first?

Question 4

The inclined plane (as shown in figure). The coefficient of static and dynamic friction are 0.35 and 0.25 respectively. Weight of the block is 500 N Question 5

The principle of the wedge is

Question 6

The moment of Inertia of a plane are with respect x-axis is defined by

Question 7

Efficiency length of Battened column is increased by

Question 8

Which one of the following is not a compression member?

Question 9

If roof truss has span length 15 m with slope 20o, then the imposed load is

Question 10

Purlins are:

Question 11

The main type of butt joints is a double cover ______.

Question 12

The transverse fillet welds are designed for
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