Sunday, 5 February 2017

CIVIL ENGINEERING LAB

THERE ARE MANY TEST AND EXPERIMENTS WHICH NEED TO CONDUCT AT LABORATORY AS WELL AS AT SITE ALSO

Saturday, 4 February 2017

MCQ ZONE

NOW DAYS ALL COMPETITIVE EXAMINATION TAKEN IN OMR SHEET AN QUESTIONS ARE MULTIPLE CHOICE TYPE IF YOU CHOOSE WRONG ANSWER THEN YOU ARE FAILED SO HERE WE PROVIDE YOU A HUGE COLLECTION OF MCQ SUBJECT WISE WHICH HELP YOU TO PREPARING FOR ALL TYPES OF EXAMS LIKE SSC, STATE LEVEL PSC, PSU etc.
click here to VIDEO ZONE      CIVIL ENGINEERING LAB ZONE       PRACTICE ZONE

LIST OF SUBJECTS

CONCRETE TECHNOLOGY                               BUILDING MATERIALS

BUILDING CONSTRUCTION                              SURVEYING 

FLUID MECHANICS                                             DESIGN OF CONCRETE STRUCTURE

DESIGN OF STEEL STRUCTURE                      HIGHWAY ENGINEERING

RAILWAY ENGINEERING                                   WASTE WATER ENGINEERING
 
WATER SUPPLY ENGINEERING                       ENVIRONMENTAL ENGINEERING

IRRIGATION ENGINEERING                             GEO-TECHNICAL  ENGINEERING

CONCRETE TECHNOLOGY MCQ PART-1

CONCRETE TECHNOLOGY IS A VERY IMPORTANT SUBJECT OF CIVIL ENGINEERING AND IT IS USEFUL ALL THE TIMES AS WELL AS IN FIELD.IF YOU WANT TO CRACK ANY JOB INTERVIEW OR WRITTEN EXAM OF ANY PSU, PSC, SSC THEN YOU HAVE TO A GREAT KNOWLEDGE IN CONCRETE TECHNOLOGY IS HELP YOU IN DESIGN OF RCC,CONSTRUCTION ETC.
HERE YOU GET MCQ ON CONCRETE TECHNOLOGY

CLICK HERE TO PART-2

1 Water cement ratio is the ratio of
[ A ] Water to cement by weight
[ B ] Water to cement by volume
[ C ] Cement to water by weight
[ D ] Cement to water by volume
Answer : A
2 Concrete is
[ A ] Weak in tension
[ B ] Strong in tension
[ C ] Strong in both tension and compression
[ D ] Weak in compression
Answer : A
3 The entrained air in concrete
[ A ] Increases the strength
[ B ] Decreases the resistance to weathering
[ C ] Increases the workability
[ D ] Decreases the workability
Answer : C
4 Concrete is unsuitable for compaction by vibration if it is 
[ A ] Semi – plastic   [ B ] Plastic      [ C ] Earth moist       [ D ] Dry 
Answer : B 
5 The strength and quality of concrete depends upon
 (i)Grading of aggregates 
(ii)Shape of aggregates 
(iii)Surface area of aggregates 
(iv)Surface texture of aggregates 
[ A ] i, ii and iv   [ B ] ii, iii and iv    [ C ] i, iii and iv    [ D ] i, ii, iii and iv
Answer : D
6 In order to avoid segregation, fresh concrete should be dropped from a height of
 [ A ] Less than one meter                            [ B ] Less than two metres
  [ C ] More than one metre                         [ D ] More than two metres
Answer : A
7 The process of hardening of concrete in the presence of water is called
[ A ] Creep [ B ] Hydration [ C ] Shrinkage [ D ] Curing
Answer : B
8 The process of keeping the concrete structure moist is called
[ A ] Hydration [ B ] Curing [ C ] Creep [ D ] Shrinkage
 Answer : B
9 The separation of water or water cement mixture from the freshly laid concrete is known as
[ A ] Workability [ B ] Segregation [ C ] Bleeding [ D ] Creep
Answer : C
10 The continuous strain, which the concrete undergoes due to application of external loads is called
[ A ] Creep [ B ] Bleeding [ C ] Workability [ D ] Segregation
Answer : A
11 The process of conversion of plastic concrete to solid stage is called
[ A ] Hydration [ B ] Hardening [ C ] Setting [ D ] Curing
Answer : C
At 28 days of curing concrete attains a strength of
[ A ] 20 to 25% [ B ] 60 to 70% [ C ] 65 to 80% [ D ] 90 to 95%
Answer : D
12 In a mass concrete, the aggregates occupy a space of
[ A ] 25% [ B ] 75% [ C ] 40% [ D ] 60%
 Answer : B
13 The coarse aggregate which possess the property of good interlocking are
[ A ] rounded shape [ B ] elongated shape [ C ] angular shape [ D ] none of the above
Answer : C
14 While placing of concrete the thickness of each layer for R.C.C. is
[ A ] 150 to 300 mm [ B ] 450 mm [ C ] 500 to 750 mm [ D ] 500 mm Answer : A
15 Increase in water content in a cement concrete
(i)                  Increases workability
(ii)                Increases the strength
[ A ] i [ B ] ii [ C ] both (i) and (ii) [ D ] neither (i) nor (ii)
Answer : A
16 Slump cone test is used to determine
[ A ] Shrinkage of concrete mix         [ B ] Creep of concrete        
 [ C ] Workability of concrete mix     [ D ] Soundness of concrete
Answer : C
17 While determining the workability of concrete mix, the compaction factor test is ------than the slump cone test
[ A ] Less accurate [ B ] More accurate [ C ] Approximate method [ D ] None of the above
Answer : B
18 Workability of concrete mix with low water cement ratio is determined by
[ A ] Tensile strength test [ B ] Slump cone test 
[ C ] Compaction factor test [ D ] Flexural strength test
Answer : C
19 If the slump of a concrete mix is 50 to 100 mm, its workability
[ A ] Very low [ B ] Low [ C ] Medium [ D ] HigH
 Answer : C
20 A compaction factor of 0.75 indicates ________workability
[ A ] Very low [ B ] Low [ C ] Medium [ D ] High
Answer : A
CLICL HERE TO PART-2