please answer the following competitive quetions Q1 addmitu

please answer the following competitive quetions :

Q-(1) addmitures are added to concrete to
1) increase strength
2)reduce heat of hydration
3)delay setting time of cement
4)reduce water cement ratio
wich of the above statement are correct
a. 1 only
b. 1 and 2
c. 2 and 3
d. 3 and 4
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Q(2) a pile driven to clay soil, capacity of pile does not depends upon ?
1- cohesion of soil
2- pile diameter
3- soil pile adhesion coefficient
4- depth of ground water
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Q(3) construction team means
a. architect
b. engineer
c. contractor
d. all of the above
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Q(4) consider the following statements
a. Strength of concrete cube in inversely proportional to water cement ratio
b.a rich concrete mix higher strength than lean concrete mix since is has more cement content
c. shrinkage cracks on concrete surface are due to exces water in mix
which of the following statement is/are correct ?
a. 1,2 and 3
b. 1 and 2 only
c. 2 only
d. 2 and 3 only
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Q(5) metal fatigure can be defined ads
select one
a.failure due to repeated of stress higher than the altimate tensile stress
b. failure due to repeated cyclic stress below the endurance limit
c. failure due to repeated cyclic stress after necking has just been observed
d. failure due to repeated cyclic stress, even below yeild stress
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Q(6) work break down structure relative to project wich of the following statements are false :
a. break up the projects top down
b. break down the draft down top
c. used to handle large project
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Q(7) what is the reaction in celling fan
a. tension
b. compression
c. torsion
d. shear
c. bending moment
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Q(8)project control works starts :
a. at the beginning of project
b. throughout the entire process
c. during construction
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Q(9) ratio of maximum water demand to average water demand is
a. design flow factor
b. critical flow factor
c. peack factor
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Q(10)which of the following estimate would occur last in project time line
A. rough order of magnitude
B. bid estimate
c. square foor etimate
d. assemblies estimate
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Q11 . both architect and engineer make use of the cost estimate of the project
select one :
a .for sight selection
b. for designing of the project
c. for choosing alternative
d. all answer are true
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Q12 a bridge footing is constructed in sand , the water tabe is at the ground surface the ultimate bearing capacity unit weight :
a. buoyant unit weight
b. dry unit weight
c. saturated unit weight
d. total unit weight
_____________________________________________________________________________________
Q13. the primary use of fast track schedualling is to :
a. decrease cost of constuction
b. decrease the cost of professional services
c. to avoid future cost increases to garantee project cost before start construction
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Solution

Ans 1) Option d) 3 and 4

Ans 2) Option d) Depth of Ground Water

Ans 3) Option d) All of the above

Ans 4) Option d) 2 and 3 only

Ans 5) Option c) failure due to repeated cyclic stress after necking has just been observed

Ans 6) Option a) break up the projects top down

Ans 7) Option a) break up the projects top down

Ans 8) Option c) torsion

Ans 9) Option c) peack factor

Ans 10) Option d) assemblies estimate

Ans 11) Option d) all answer are true  

Ans 12) Option a) buoyant unit weight

Ans 13) Option b) decrease the cost of professional services