1. In the plane truss shown below, how many members have zero force? (a) 3 (b) 5(c) 7 (d) 9

2. In the pin-jointed truss as shown below, the horizontal deflection of roller support will be the sum of deformations in members 

(a) BG and DG
(b) BC and CD
(c) AG and GF
(d) AB, CG and DF

3.If the member CD has been fabricated 10 mm short, by how much will point C deflect vertically?

(a) 10.00 mm down
(b) 8.33 mm up
(c) 16.67 mm up
(d) 16.67 mm down

4. In the following pin-jointed truss, what is the displacement of support B due to the given load?

(a) 3.25 mm (b) 2.50 mm
(c) 1.50 mm (d) 0.50 mm

5.

hich one of the following is the correct statements regarding the force and deflection at point B in trusses 1 and 2 shown in the figure?

(a) I will have less member force and less deflection at B compared to 2
(b) I will have less member force and more deflection at b compared to 2
(c) I will have more member force and deflection at B compared to 2
(d) I will have more member force and less deflection at B compared to 2    

6.

hich of the following is/are the main drawback(s) in adopting bar charts?
1. All the activities are shown as being independent of each other
2. The sequence of activities is not defined at all
3. It is difficult to judge whether an activity is completed or not
(a) 1 only (b) 2 only
(c) 3 only (d) 1, 2 and 3
 
 
 

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