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Consider the following statements regarding the 'strength of cement': 1. Strength test on cement is made on cubes of the cement-sand mix. 2. Water to be used for the paste is 0.2P, where P is the water needed for normal consistency. 3. The normal consistency is determined on Le Chatelier's apparatus. 4. Cubes are cast in three layers in leak-proof moulds further compacted in each layer by vibration on a machine. Which of the above statements are correct?
In conducting a standard consistency test of Ordinary Portland cement using Vicat apparatus as per IS 4031-1988, what is the penetration depth of the needle from the top of Vicat mould, for the paste to have normal consistency?
Consider the following forms of water in a hydrated cement paste: 1. Capillary water 2. Chemically combined water 3. Interlayer water 4. Adsorbed water Which of the above forms of water will on its/their removal, cause shrinkage of the paste?
The pie chart given below shows the amount spent by a boy on the purchase of six different items. The total amount spent on all these six items is Rs. 54000. The amount spent on a specific item is represented as a degree with reference to the total amount spent on all these six items. Which of the following statement(s) is/are correct? I. The amount spent on article A is Rs.900 less than the amount spent on article B. II. The amount spent on article C is Rs 2400 more than the amount spent on article D. III. The ratio of the amount spent on article B to the amount spent on article E is 4 : 1.
In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. Some tooth are paste. II. Some paste are gel. Conclusions: I. Some tooth are gel. II.All paste are gel. III. All tooth are gel.
Match the following:  P) Norm Referenced Test 1) Measures what it claims to measure Q) Criterion Referenced Test 2) Consistency of a test R) Reliable Test 3) Practicability of a test S) Valid Test 4) Position in a predefined population   5) Performance against a fixed set of standard
In a survey of 100 students, it was found that 25 students have enrolled for Navy AA test series, 26 students have enrolled for NDA test series, 26 students have enrolled for Airforce group X test series, 9 students have enrolled for both Navy AA and Airforce group X test series, 11 students have enrolled for both Navy AA and NDA test series, 8 students have enrolled for both NDA and Airforce group X test series whereas 3 students have enrolled in all three test series. Find the number of students who has not enrolled in any of the test series.
In a survey of 100 students, it was found that 25 students have enrolled for Navy AA test series, 26 students have enrolled for NDA test series, 26 students have enrolled for Airforce group X test series, 9 students have enrolled for both Navy AA and Airforce group X test series, 11 students have enrolled for both Navy AA and NDA test series, 8 students have enrolled for both NDA and Airforce group X test series whereas 3 students have enrolled in all three test series. Find the number of students who have enrolled exactly in any two test series.
In a survey of 100 students, it was found that 25 students have enrolled for Navy AA test series, 26 students have enrolled for NDA test series, 26 students have enrolled for Airforce group X test series, 9 students have enrolled for both Navy AA and Airforce group X test series, 11 students have enrolled for both Navy AA and NDA test series, 8 students have enrolled for both NDA and Airforce group X test series whereas 3 students have enrolled in all three test series. Find the number of students who have enrolled in exactly one test series.
Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : In spite of less than normal rainfall in the catchment areas during the first two months of monsoon of the lakes supplying water to the city the authority has not yet affected any cut in the water supply to the city.

Assumptions :
I. The rainfall during the remaining part of the monsoon may be adequate for normal water supply.
II. The present water level of the lakes supplying water to the city may be adequate for normal supply.