**The dimensions of a 35 litre forma for measuring aggregates by volume, are:**

Options are :

- Length 39 cm, breadth 25 cm, height 32 cm
- Length 30 cm, breadth 25 cm, height 30 cm
- Length 27 cm, breadth 27 cm, height 48 cm
- None of these
- Length 220 cm, breadth 25 cm, height 40 cm

**Answer :**Length 27 cm, breadth 27 cm, height 48 cm

**Cement used for normal concrete construction, is obtained by burning a mixture of:**

Options are :

- Silicious and argillaceous materials
- None of these
- Silicious, argillaceous and calcareous materials
- Argilaceous and calcareous materials
- Silicious and catcareous materials

**Answer :**Silicious, argillaceous and calcareous materials

**Permissible compressive strength of M 200 concrete grade is:**

Options are :

- 300 kg/cm^(2)
- 250 kg/cm^(2)
- 150 kg/cm^(2)
- 200 kg/cm^(2)
- 100 kg/cm^(2)

**Answer :**200 kg/cm^(2)

Theory of Structures MCQ Practice Questions (Civil Eng) Set 6

**If
the effective plan area of a warehouse is 54 sq. m, and maximum height
of piles permitted is 270 cm, the number of cement bags to be stored,
is:**

Options are :

- 2700 bags
- 2000 bags
- 2400 bags
- 2200 bags
- 3000 bags

**Answer :**2700 bags

**A flaky aggregate is said to be elongated if its length is:**

Options are :

- Four times the mean size
- Twice the mean size
- Equal to the mean size
- Five times the mean size
- Thrice the mean size

**Answer :**Twice the mean size

**Pick up the correct statement from the following:**

Options are :

- The concrete does not set at freezing point
- The concrete cured at a temperature below 23°C, gains strength up to 28 days
- The concrete gains strength due to hydration of cement
- The strength of concrete increases with its age
- All the above

**Answer :**All the above

Construction Management MCQ Practice Questions (Civil Eng) Set 3

**For preparing ordinary concrete, the quantity of water used, is:**

Options are :

- 5% by weight of aggregates plus 20% of weight of cement
- 30% by weight of aggregates plus 10% of weight of cement
- 10% by weight of aggregates plus 10% of weight of cement
- None of these
- 5% by weight of aggregates plus 30% of weight of cement

**Answer :**5% by weight of aggregates plus 30% of weight of cement

**The strength and quality of concrete, depend upon:**

Options are :

- All the above
- Shape of aggregates
- Surface texture of aggregates
- Grading of aggregates
- Surface area of aggregates

**Answer :**All the above

**A concrete having a slump of 6.5 cm, is said to be:**

Options are :

- Plastic
- Semi-plastic
- None of these
- Dry
- Earth moist

**Answer :**Plastic

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 7

**Setting time of cement increases by adding:**

Options are :

- Sodium oxide
- None of these
- Hydrogen peroxide
- Calcium chloride
- Gypsum

**Answer :**Gypsum

**Strength of concrete with passage of time:**

Options are :

- Increases
- Remains constant
- Fluctuates
- Decreases

**Answer :**Increases

**An
aggregate which passes through 25 mm I.S. sieve and is retained on 20
mm sieve, is said to be flaky if its least dimension is less than:**

Options are :

- 16.5 mm
- 18.5 mm
- 22.5 mm
- 15.5 mm
- 13.5 mm

**Answer :**13.5 mm

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

**For the construction of the retaining structures, the type of concrete mix to be used, is:**

**A.**

1 : 3 : 6

**B.**

1 : 2 :4

**C.**

1 :

: 3**D.**

1 : 1 : 2

**E.**

1 : 4 : 8

Options are :

- A
- C
- B
- E
- D

**Answer :**C

**Expansion joints are provided if the length of concrete structures exceeds:**

Options are :

- 45 m
- 25 m
- 15 m
- 35 m
- 10 m

**Answer :**45 m

**According to IS : 382-1963, a good aggregate should be:**

Options are :

- All the above
- Sufficiently strong
- Chemically inert
- Hard and durable

**Answer :**All the above

Concrete Technology MCQ Practice Questions (Civil Eng) Set 4

**Log Angles machine is used to test the aggregate for:**

Options are :

- Abrasion resistance
- None of these
- Impact value
- Crushing strength
- Water absorption

**Answer :**Abrasion resistance

**Concrete gains strength due to:**

Options are :

- Evaporation of water from concrete
- Hydration of cement
- All the above
- Chemical reaction of cement with sand and coarse aggregates

**Answer :**Hydration of cement

**Vicat apparatus is used for:**

Options are :

- Consistency test
- Test for setting time
- Test for tensile strength
- None of these
- Fineness test

**Answer :**Consistency test

Irrigation MCQ Practice Questions (Civil Engineering) Set 4

**Workability improved by adding:**

Options are :

- Bentonite
- Calcium chloride
- Fly ash
- All the above
- Hydrated lime

**Answer :**All the above

**If
50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a
concrete whose water cement ratio is 0.6, the weight of water required
for harsh mix, is:**

Options are :

- 8 kg
- 15 kg
- 14 kg
- 10 kg
- 12 kg

**Answer :**12 kg

**If fineness modulus of sand is 2.5, it is graded as:**

Options are :

- Medium sand
- Very coarse sand
- Fine sand
- Very fine sand
- Coarse sand

**Answer :**Fine sand

Hydraulics MCQ Practice Questions (Civil Engineering) Set 9

**Pick up the incorrect statement while performing preliminary test on concrete:**

Options are :

- Concrete mix should be stored in air-tight containers
- Cement should be mixed by hand in order to maintain uniformity
- Proportions of the material and water should be the same as to be used at the work site
- concrete ingredients should be kept at a temperature of 37° ± 2°C
- None of these

**Answer :**concrete ingredients should be kept at a temperature of 37° ± 2°C

**Sand requiring a high water cement ratio, belongs to:**

Options are :

- Zone IV
- Zone I
- Zone III
- Zone II

**Answer :**Zone I

**If
P, Y and Z are the weights of cement, fine aggregates and coarse
aggregates respetively and W/C is the water cement ratio, the minimum
quantity of water to be added to first batch, is obtained by the
equation:**

Options are :

- 0.2P + 0.5Y + 0.1Z = W/C x P
- 0.3P + 0.1Y + 0.01Z = W/C x P
- 0.4P + 0.2Y + 0.01Z = W/C x P
- 0.5P + 0.3Y + 0.01Z = W/C x P
- 0.1P + 0.3Y + 0.1Z = W/C x P

**Answer :**0.3P + 0.1Y + 0.01Z = W/C x P

Concrete Technology MCQ Practice Questions (Civil Eng) Set 7

**An ideal ware house, is provided:**

Options are :

- 15 cm thick concrete floor laid on a dry course of soling
- Few windows which remain generally closed
- All the above
- Water proof roof
- Water proof masonry walls

**Answer :**All the above

**If the average compressive strength is 4000 kg/cm^(2) and standard deviation is 500, the co-efficient of variation is:**

Options are :

- 15%
- 20%
- 10%
- 12.5%
- 18.5%

**Answer :**12.5%

**The shuttering of a hall measuring 4 m x 5 m, can be removed after:**

Options are :

- 10 days
- 7 days
- 5 days
- 14 days
- 21 days

**Answer :**7 days

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 7

**For the construction of thin R.C.C. structures, the type of cement to be avoided, is:**

Options are :

- Low heat cement
- Ordinary Portland cement
- Rapid hardening cement
- Sulphate resisting cement
- Blast furnace slag cement

**Answer :**Blast furnace slag cement

**If
aggregates completely pass through a sieve of size 75 mm and are
retained on a sieve of size 60 mm, the particular aggregate will be
flaky if its minimum dimension is less than: **

Options are :

- None of these
- 40.5 mm
- 30.5 mm
- 20.5 mm
- 50.5 mm

**Answer :**40.5 mm

**Pick up the incorrect statement from the following:**

Options are :

- None of these
- Admixtures give high strength
- Admixtures accelerate hydration
- Admixtures make concrete acid proof
- Admixtures make concrete water proof

**Answer :**Admixtures accelerate hydration

- Elements of Remote Sensing MCQ Practice Questions (Civil) Set 2
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 4
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 7
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 9
- Elements of Remote Sensing MCQ Practice Questions (Civil) Set 3
- Elements of Remote Sensing MCQ Practice Questions (Civil) Set 4
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 5
- Concrete Technology MCQ Practice Questions (Civil Eng) Set 3
- Elements of Remote Sensing MCQ Practice Questions (Civil) Set 1
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 1
- Irrigation MCQ Practice Questions (Civil Engineering) Set 3
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 3