wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Concrete Technology

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

What is the percentage of lime in cement?

a)

55-60%

b)

60-67%

c)

68-74%

d)

74-80%

2.

Excess amount of silica in cement results in

a)

Decrease the soundness

b)

Increase the soundness

c)

Decreasing the strength

d)

Increase the strength

3.

What is the chemical formula for aluminium oxide?

a)

Al2O3

b)

Al2O2

c)

A2O2

d)

Al2

4.

The main functions of iron oxide is

a)

To impart color to the cement

b)

To impart soundness

c)

To increase the setting time

d)

To decrease the setting time

5.

The function of calcium sulfate in cement is to

a)

increase the initial setting time of cement

b)

Increase the strength

c)

Increase the hardness

d)

Both A & B

6.

What is carbon footprints?

a)

Amount of Co2 and methane gas released into the environment by consuming energy

b)

Amount of Co3 and methane gas released into the environment by consuming energy

c)

Amount of Co and methane gas released into the environment by consuming energy

d)

Amount of Helium and methane gas released into the environment by consuming energy

7.

If the ISI mark in the cement bag is red color. Then it is..

a)

OPC (Ordinary Portland cement)

b)

PPC (Portland Pozzolana Cement)

c)

Quick setting cement (QSC)

d)

Rapid-Hardening cement (RHC)

8.

The manufacturing date of cement should not be more than..

a)

3 Months

b)

6 Months

c)

9 Months

d)

1 Year

9.

The color of the cement should be a uniform

a)

Grey color with a light blackish shade

b)

Grey color with a light greenish shade

c)

Grey color

d)

Blackish shade

10.

HKBK group of institution was started in

a)

1997

b)

1998

c)

1999

d)

2000