Which of the following is the purest form of iron?
@IESCIVIL
@IESCIVIL
Anonymous Poll
12%
Cast iron
78%
Wrought iron
5%
Mild steel
4%
High carbon steel
The average annual rainfall for our entire country is estimated as in (cm/yr.)?
@IESCIVIL
@IESCIVIL
Anonymous Poll
6%
100
67%
119.4
22%
Less than 119.4
5%
More than 119.4
The rainfall of our country on land in cm/yr is?
@IESCIVIL
@IESCIVIL
Anonymous Poll
9%
100
56%
119.4
30%
Less than 119.4
5%
More than 119.4
IES CIVIL
The rainfall of our country on land in cm/yr is?
@IESCIVIL
@IESCIVIL
C) Less than 119.4
Precipitation on land is less than sea
Precipitation on land is less than sea
Aggregate is called fine aggregate if it is completely retained on
Anonymous Poll
25%
0.15 mm sieve
4%
0.30 mm sieve
54%
4.75 mm sieve
17%
None of these
IES CIVIL
Aggregate is called fine aggregate if it is completely retained on
Here in question it is asked retained not passing
So ans will be 0.15mm
So ans will be 0.15mm
How does strength of concrete differ with age of concrete?
Anonymous Poll
60%
Increases
19%
Decreases
2%
No effect
20%
Increases then decreases
IES CIVIL
How does strength of concrete differ with age of concrete?
Answer is A) increases
The strength of concrete increases with age of concrete due to hydration of dicalcium silicate
The strength of concrete increases with age of concrete due to hydration of dicalcium silicate
The addition of Cacl2 in concrete results in
Anonymous Poll
18%
Increased shrinkage
54%
Decreased setting time
9%
Decreased shrinkage
19%
Increased setting time