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A truss containing j joints and m members, will be a simple truss if
To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be
A two member committee comprising of one male and one female member is to be constitute out of five males and three females. Amongst the females. Ms. A refuses to be a member of the committee in which Mr. B is taken as the member. In how many different ways can the committee be constituted ?
When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would
A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is
The member forces in a statically in determinate truss
After replacing an old member by a new member , it was found that the average age of five members of a club is the same as it was 3 years ago . What is the difference between the ages of the old and the new member ?
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member?
Committee X has 4 members, committees Y has 5 members, and these committees have no members in common. If a task force is to be formed consisting of one member of X and one member of Y, how many different task forces are possible?
Hudson’s formula gives the dead weight of a truss bridge as a function of