SSC JE CE QUIZ_Building Materials Booster Quiz -13

Consider the following statements

Shrinkage of concrete depends upon the

1) Relative humidity of the atmosphere

2) Passage of time

3) Applied stress.

Which of the above statements is/are correct?

The workability of concrete is assessed through:

I. Slump test

II. Setting time of cement

III. Compaction factor test

IV. Le-Chatelier’s apparatus

Consider the following statements -

1) Natural seasoning results in uniform drying of different surface.

2) In artificial seasoning, relative humidity and circulating air is control to provide seasoned timber.

3) Timber treatment process is generally designed to treat heart wood.

4) Well-seasoned timber cannot be achieved by natural seasoning.

Which of the above statement(s) is/are correct?

Which type of cement has low rate of hydration than Portland cement.

A sample of concrete is cured at 18°C for 28 days. Maturity in °C hr is ____ (in integer)

The only dynamic test that shows potential concrete strength in situ is

Read the following statements

1). Sand stone is an example of stratified rocks.

2). Foliated rocks have the tendency to spilt along a definite direction.

3). Slate is an example of unstratified rock.

Which of the above statement are correct?

The hardness number 1 of Mohr’s scale is assigned to

The Stretcher bond in brick can be used only when the thickness of the wall is

The type of cement preferred for use in the cold region is