Match List=I (Admixtures) with List-II (Chemicals) and select the correct answer using the codes given below the list
A) Water-reducing admixture
B) Air-entraining agent
1) Sulphurated melanin formaldehyde
2) Calcium chloride
4) Neutralized vinsol resin
A - B - C - D
Concrete is unsuitable for compaction by a vibrator if it is
Which of the following cement has maximum percentage of C3S
The effective width of a column strip of a flat slab is
In limit state design of reinforced concrete, deflection is computed by using
Math List-I with List-II and select the correct answer using the codes given below the lists:
List-I(Type of cement)
P. Low heat cement
Q. Rapid hardening cement
R. High Alumina cement
S. Sulphate resisting cement
1) Refractory bricks
2) Repair of concrete pavements
3) Concrete under water
4) Heavy raft footing
A section line AB appears to be 10.16 cm on a photograph for which the focal length is 16 cm. The corresponding line measures 2.54 cm on a map, which is to a scale 1/50,000. The terrain has an average elevation of 200 m above mean sea level. The flying altitude of the aircraft above mean sea level during photograph will be
Consider following statements with respect to advantage of Hoffman’s klin over bull’s trench klin:
1) It requires less space
2) It can function during rainy season
3) Percentage of good quality bricks are more
4) Initial cost is less
Correct statement(s) is/are:
Consider the following points related to systematic Error.
i. They arises from the source that act in a similar manner on all observation.
ii. They are compensating in nature.
Three activities implementable in parallel, have the following time-cost relationships for direct cost component in each: Activity A: 10 days — 800 units; 9 days — 900 units; 8 days — 1000 units Activity B: 11 days — 1200 units; 10 days — 1350 units; 9 days — 1500 units; Activity C : 7 days — 500 units; 6 days — 700 units 5 days — 900 units The feasible range of total direct cost component for the three activities together is
A beam with given loading is shown in figure. What is the ratio of bending at B to C
Select the most appropriate option to fill in the blank.
I’m sorry that I’m late for work. I __________ woken up earlier.
If x= sin 27 ° - cos 243 ° and y = sin 27 ° + cos 153 °. The value of (x – y)2 is equal to value of:
Select the most appropriate antonym of the given word.
58 × 2 × 764 ÷ √3136 = ? + 640
Select the most appropriate meaning of the given idiom.
Keep one’s fingers crossed
If A is 50% more than B. B is how much percent less than A?
Select the correctly spelt word.
The radius of a hemisphere is 14 cm. What is the cost of painting the outer curved surface of the hemisphere at the rate of Rs. 45 per cm2?