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Description : Mercury is an ideal barometric fluid mainly due to its (A) High density (B) Low compressibility (C) Low capillary action (D) Very low vapor pressure

Last Answer : (D) Very low vapor pressure

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Description : In frictional fluid flow, the quantity, (P/ρ) + (V 2 /2gc) + gz/gc) is (A) Constant along a streamline (B) Not constant along a streamline (C) Increased in the direction of flow (D) None of these

Last Answer : (B) Not constant along a streamline

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Description : Surge tanks are provided in high pressure water pipelines to (A) Store a definite quantity of water all the time (B) Reduce the water hammer (C) Facilitate easy dismantling of pipeline for cleaning and maintenance (D) None of these

Last Answer : (B) Reduce the water hammer

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Description : The velocity distribution in direction normal to the direction of flow in plane Poiseuille flow is (A) Hyperbolic (B) Parabolic (C) Linear (D) None of these

Last Answer : (B) Parabolic

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Description : An equipotential line is __________ to the velocity vector at every point. (A) Normal (B) Parallel (C) Tangential (D) None of these

Last Answer : (A) Normal

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Description : With increase in the temperature, viscosity of a liquid (A) Increases (B) Decreases (C) Remain constant (D) May increase or decrease; depends on the liquid

Last Answer : (B) Decreases

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Description : The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides 'x' & 'y' is given by (A) 2xy/(x + y) (B) xy/(x + y) (C) (x + y)/2xy (D) (x + y)/xy

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Description : The continuity equation in ideal fluid flow states that (A) Net rate of inflow into any small volume must be zero (B) Energy is not constant along a streamline (C) Energy is constant along a streamline (D) There exists a velocity potential

Last Answer : (A) Net rate of inflow into any small volume must be zero

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Description : The nominal size of a hose pipe is specified by its (A) I.D. (B) O.D. (C) Thickness (D) None of these

Last Answer : (A) I.D.

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Description : Capacity of a hydraulic accumulator is defined in terms of maximum (A) Amount of energy stored (B) Flow rate through accumulator (C) Rate of falling of ram (D) Volume available in the cylinder

Last Answer : (A) Amount of energy stored

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Description : Static concept of species was put forward by (a) de Candolle (b) Linnaeus (c) Theophrastus (d) Darwin.

Last Answer : (b) Linnaeus

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Description : Basic unit or smallest taxon of taxonomy/ classification is (a) species (b) kingdom (c) family (d) variety.

Last Answer : d) variety.

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Description : A taxon is (a) a group of related families (b) a group of related species (c) a type of living organisms (d) a taxonomic group of any ranking

Last Answer : (c) a type of living organisms

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Description : A group of plants or animals with similar traits of any rank is (a) species (b) genus (c) order (d) taxon.

Last Answer : (b) genus

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Description : The term phylum was given by (a) Cuvier (b) Haeckel (c) Theophrastus (d) Linnaeus.

Last Answer : (c) Theophrastus

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Description : Sequence of taxonomic categories is (a) class–phylum–tribe–order–family–genus– species (b) division–class–family–tribe–order–genus– species (c) division–class–order–family–tribe–genus– species. (d) phylum–order–class–tribe–family–genus– species.

Last Answer : (b) division–class–family–tribe–order–genus– species

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Description : ‘Taxon’ is the unit of a group of (a) order (b) taxonomy (c) species (d) genes.

Last Answer : (d) genes.

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Description : Which of the following is less general in characters as compared to genus? (a) Species (b) Division (c) Class (d) Family

Last Answer : (b) Division

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Description : Species are considered as (a) real basic units of classification (b) the lowest units of classification (c) artificial concept of human mind which cannot be defined in absolute terms (d) real units of classification devised by taxonomists.

Last Answer : (c) artificial concept of human mind which cannot be defined in absolute terms

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Description : Which one of the following animals is correctly matched with its particular taxonomic category? (a) Tiger - tigris, species (b) Cuttlefish - mollusca, class (c) Humans - primata, family (d) Housefly - Musca, order

Last Answer : (a) Tiger - tigris, species

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