IES Civil free online test series paper 10

(a)Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : For a hydraulic ram,D’Aubuisson’s efficiency is always more than Rankine’s efficiency.
Statement (11) : By definition, efficiency is always less than unity in any system of mechanics and addition of a small value to both numerator and denominator in the ratio of such a case always improves the value.

(a)Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : Air pollutant concentration and time of retention increase due to inversion.
Statement (II) : During winter, the heavy cold layer in the atmosphere retains the hot toxic pollutants for a longer period in the atmosphere.

(a)Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I) : Chlorides are added to kill pathogens as a disinfection process in the treatment of water.
Statement (II) : It forms hypochlorous acid to oxidize the organic compounds including bacteria.

(a)Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1): When a tube well penetrates into a homogeneous aquifer and is then pumped, there will occur lowering of water surface. The resultant surface is designated as ‘Drawdown curve’.
Statement (II) : Since the pressure on the surface of the `Drawdown curve’is always at atmospheric level, it is called by this name.

(a)Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : Fluoride concentrations of approximately 1.0 mg/1 in drinking water help to prevent dental cavities in children
Statement (II) : During formation of permanent teeth, fluoride combines chemically with tooth enamel resulting in softer and weaker teeth that are less resistant to decay.

(a)Both Statement (1) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I) : Virus is living organisms in a natural environment including soil.
Statement (11) : Virus comes to life after entering the host tissue through contamination.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I) : The BOD test is conducted for 5 days at 20°C.
Statement (11) : The amount of oxygen utilized by microorganisms anaerobically is called BOD.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : An epidemic of infective hepatitis is transmitted by drinking contaminated water.
Statement (1I) : Since infective hepatitis is transmitted by bacteria, it can be controlled by filtrationand disinfection of water.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : The ability of water to conduct electricity,known and measured as the specific conductance,and concentration of total dissolved solids are not relatable on a one-to-one basis.
Statement (II) : Many organic molecules and compounds dissolve in water without ionizing and hence are not taken into account while measuring specific conductance.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I): Water with heavy algal growth often has pH values as high as 9 to 10.
Statement (II) : Non-utilization of the,bicarbonate ion as a carbon source by algae can result in substantial accumulation of OH- ions.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I) : Municipal Solid Waste is disposed off in the Transport Safe Disposal Facility (TSDF) to convert it into organic compost.
Statement (11) : The organic Municipal Solid Waste is converted into compost by worms and the process is called ‘Vermicomposting’.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : Chlorophyll-bearing plants take water and carbon dioxide to synthesize carbohydrates.
Statement (II) : Wasted food ultimately leads to production of various natural resources like water and sunlight energy.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I) : A curved, or straight, line connecting the relevant stress points is called the stress path.
Statement (11) : All the total stress paths and the effective stress paths for the drained tests are straight lines at a slope of 45°.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (I) : Foundations may not be geometrically categorized as shallow, or deep, foundations.
Statement (I1) : A foundation is shallow if its depth is equal to or less than its width otherwise it is deep.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : Different types of piles are used in construction work depending on the type of load to be carried, the sub-soil conditions and the ground water table.
Statement (11) : The load transfer mechanism from a pile to the soil is selfsame in all cases.

(a) Both Statement (1) and Statement (II) are individually true and Statement (11) is the correct explanation of Statement(1)
(b)Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (1)
(c)Statement (I) is true but Statement (II) is false
(d)Statement (I) is false but Statement (II) is true

Statement (1) : Present usage of GPS for positioning includes personal navigation, aircraft navigation, offshore survey, vessel navigation, etc.
Statement (11) : GPS is a satellite navigation system designed to provide information about instantaneous velocity and time almost anywhere on the globe at any time and in any weather