Pick up the correct statement from the following: (A) The pH value of neutral water is 7 (B) The maximum acidity is obtained when pH value is zero (C) The maximum alkalinity is obtained when pH value is 14 (D) All the above

Pick up the correct statement from the following: 

(A) The pH value of neutral water is 7 

(B) The maximum acidity is obtained when pH value is zero .

(C) The maximum alkalinity is obtained when pH value is 14 

(D) All the above

by

1 Answer

Answer :

(D) All the above

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For maximum alkalinity of water, pH value should be (A) Zero (B) Less than 7 (C) More than 7 (D) 14

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Pick up the correct statement from the following: (A) A soil having pH value more than 7 is an acidic soil (B) A soil having pH value less than 7 is an acidic soil (C) A soil having pH value more than 7 is an alkaline soil (D) A soil containing chemicals for the manufacture of Portland cement is preferred

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Pick up the correct statement from the following: (A) The tides at any place occur a little less than 1 hour later, each succeeding day (B) The influence of the earth's gravity alone produces level-tidal less sea (C) The spinning force is maximum at the equator and zero at the poles (D) All of the above

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Pick up the correct statement from the following: (A) In a loaded beam, the moment at which the first yield occurs is called yield moment(B) In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment (C) In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area (D) All the above

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Water having pH value as 6, is (A) Alkaline (B) Acidic (C) Neutral (D) None of these

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Pick up the correct statement from the following: (A) The apparent error on reversal is twice the actual error (B) The correction may be made equal to half the observed discrepancy (C) The good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results (D) All the above

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Pick up the correct statement from the following: (A) Index of wetness = actual rainfall in a year at a place/normal rainfall of that place (B) Normal annual rainfall is obtained by taking the mean of the annual rainfall over a period of 35 years (C) Index of wetness gives an idea of the wetness of the year (D) All the above

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Pick up the correct statement from the following: (A) The unit hydrograph of a specified unit duration obtained from the past data can be used to obtain the hydrograph of future storms of like duration (B) To obtain the ordinates of storm hydrograph, the ordinates of unit hydrograph are multiplied by the multiplying factor (C) The multiplying factor for storm hydrograph may be obtained by dividing the run off in mm by 25 mm (D) All the above

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Pick up the correct statement from the following: (A) In order to check up the average depth of excavation, 'Dead man s' are left at the midwidths of borrow pits (B) The earthwork calculation in excavation is made from the difference in levels obtained with a level (C) The earth work in excavation to form the road embankment includes the formation of correct profile and depositing the soil in layers (D) All the above

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