D32 - RAPID RECAL (DATA BOOK)

​ii) 1:3:6

Ø  Volume of CA = 0.95m^3

Ø  Cement density = 1440kg/m^3

Ø  Quantity of cement = 228kg

Ø  dry volume of concrete = 1.54 x wet volume of concrete

​Weight of cement required for PCC of ratio

​1. Quantity of cement required in the mortar for one unit of brick work of ratio 1:6

For one unit of brick work of ratio 1:6

• Quantity of fine aggregate = 0.20 m³

• Quantity of cement = 48Kg

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2. Quantity of cement required in the mortar for one unit of brick work of ratio 1:5

For one unit of brick work of ratio 1:5

• Quantity of fine aggregate = 0.20 m³

• Quantity of cement = =57.6Kg

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3. Quantity of cement required in the mortar for one unit of brick work of ratio 1:4

For one unit of brick work of ratio 1:4

• Quantity of fine aggregate = 0.20 m³

• Quantity of cement = 72Kg

dry mortar = 1.3 x times wet mortar

Multiple Choice

What is the standard payment unit for site clearance?

• 1 m²

• 10 m²

• 100 m²

• 1000 m²

Multiple Choice

Which cement quantity corresponds to the mortar mix ratio of 1:5 for brickwork?

• 72kg

• 57.6kg

• 48kg

• 46kg

Fill in the Blank

dry concrete = ________ times wet concrete

.

Multiple Choice

The initial lead in earthwork excavation is:

• 100 m

• 30 m

• 50 m

• 1.5 m

Fill in the Blank

Size of laterite stone is ________

Fill in the Blank

For brickwork, dry mortar = ________ times wet mortar

.

Fill in the Blank

Number of laterite stones required for 1 m³ of wall is ________

Multiple Choice

How many modular bricks are required for 1 m³ of brickwork?

• 400

• 450

• 500

• 550

Fill in the Blank

Number of Mangalore tiles of 320 mm dimension required for 10 m² roof work is ________

Fill in the Blank

The area of AC sheet to cover 10 m² of roof is ________m²

.

Fill in the Blank

According to IS 459:1992, the standard width of semi-corrugated sheet is ________

.

Fill in the Blank

Number of corrugations in asbestos cement sheet is ________

Dropdown

Choose the payment unit for plastering work:​

Select answer

Dropdown

Select the number of laterite stones required for 1 m³ of masonry:​

Select answer

Fill in the Blank

For RCC, no deduction is required for openings less than ________m²

.

Multiple Choice

Assertion (A): The weight of cement for 1 m³ of 1:3:6 PCC is 228 kg.
Reason (R): Cement density is 1440 kg/m³ and volume of coarse aggregate is 0.95 m³.

• Both A and R are true and R is the correct explanation of A

• Both A and R are true but R is not the correct explanation

• A is true but R is false

• A is false but R is true

Match

Match the following painting coefficients:

• Fully glazed door

• Trellis work

• Panelled door

• Corrugated steel work

• Flush door

0.5

2

1.3

1.14

1.2

• 0.5

• 2

• 1.3

• 1.14

• 1.2

Multiple Choice

Assertion (A): In plastering, for openings up to 0.5 m², no deduction is made.
Reason (R): IS standards recommend no deduction for small openings during measurement.

• Both A and R are true and R is the correct explanation of A

• Both A and R are true but R is not the correct explanation

• A is true but R is false

• A is false but R is true

Multiple Choice

What is the unit weight of a 6 mm diameter bar?

• 0.12 kg/m

• 0.22 kg/m

• 0.32 kg/m

• 0.42 kg/m

Multiple Choice

What is the dry volume of concrete required for 100 m² of 2.5 cm thick 1:2:4 DPC?

• 2.5 m³

• 3.5 m³

• 3.58 m³

• 3.85 m³

Fill in the Blank

1000 dm³ = ________m³