Description : What is allotrope ? In what forms of cubic pattern, iron exists ?
Last Answer : Some elements exist in more than one crystalline form. Each form is known as “allotrope”. Iron exists in two forms of cubic pattern, namely body centered cubic (bcc) and face-centered cubic (fee).
Description : What Is Allot Rope? In What Forms Of Cubic Pattern, Iron Exists?
Last Answer : Some elements exist in more than one crystalline form. Each crystalline form is known as ‘allotrope’ of the element. Iron exists in two crystalline forms of cubic pattern, namely, bodycentered cubic (BCC) and face-centered cubic (FCC).
Description : . Fan nozzle forms narrow. spray pattern. a. large c. Straight. d. None of above
Last Answer : Ans- b. elliptical.
Description : nozzle which forms narrow elliptical spray pattern. a) Hollow cone nozzle b) Hard cone nozzle c) Solid cone nozzle d) Fan nozzle
Last Answer : Fan nozzle
Description : Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure. (A) Hexagonal close, packed (hcp) (B) Face centred cubic (fcc) (C) Body centred cubic (bcc) (D) Simple cubic
Last Answer : (D) Simple cubic
Description : The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?
Last Answer : (a) Cheapness. (B) Low melting point and high fluidity making it suitable for castings of intricate shape. (c) Relatively good erosion and corrosion resistance. (d) High damping capacity, with respect to vibration. (e) Relatively good mechanical properties under compressive loading.
Description : The pattern of NaCl particles have a: a) Triangular b) Square c) Cubic d) Rectangular
Last Answer : c) Cubic
Description : Thermodynamically most stable allotrope of phosphorus is :
Last Answer : Thermodynamically most stable allotrope of phosphorus is : A. Red B. White C. Black D. Yellow
Description : Which of the following is not an allotrope of carbon?
Last Answer : Which of the following is not an allotrope of carbon? a. buckyball b. diamond c. graphite d. emerald
Description : Which is element exhibit allotrope in the 6thA group ?
Last Answer : Sulphur
Description : Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude ... (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only
Last Answer : Ans:(b)
Description : Diamond is an allotrope of (a) Tin (b) Silicon (c) Sulphur (d) Carbon
Last Answer : Ans:(d)
Description : _____is not an allotrope of carbon. (1) Buckminsterfullerene (2) Carbon Doxide (3) Diamond (4) Graphite
Last Answer : (2) Carbon Doxide Explanation: Carbon is capable of forming many allotropes due to its valency. Well-known forms of carbon include diamond and graphite. Other allotropes in clude: include buckyballs (fullerenes), amorphous carbon, glassy carbon, carbon nanofoam, nanotubes,and others.
Description : Hardest allotrope of carbon is - (1) diamond (2) graphite (3) coke (4) lamp black
Last Answer : (1) diamond Explanation: Diamond is one well known allotrope of carbon. The hardness and high dispersion of light of diamond make it useful for both industrial applications and jewellery. Diamond is ... mineral. This makes it an excellent abrasive and makes it hold polish and luster extremely well.
Description : Fullerene is a newly discovered crystalline carbon allotrope, contains–
Last Answer : 60 C atoms
Description : Which allotrope of the carbon is used in cutting and drilling?
Last Answer : Diamond
Description : The latest discovered allotrope of carbon?
Last Answer : Graphene
Description : The allotrope of Oxygen?
Last Answer : Ozone
Description : Graphite is a/an (A) Electrical insulator (B) Allotrope of carbon (C) Moderator used in nuclear reactor (D) Both (B) and (C)
Last Answer : (C) Moderator used in nuclear reactor
Description : Which allotrope of sulphur is insoluble in carbon disulphide? (A) Rhombic sulphur (B) Monoclinic sulphur (C) Plastic sulphur (D) Milk of sulphur
Last Answer : (C) Plastic sulphur
Description : Buckminsterfullerene is an allotrope of
Last Answer : Carbon
Description : Hardest allotrope of carbon is (1) diamond (2) graphite (3) coke (4) lamp black
Last Answer : diamond
Description : Laminated Object Manufacturing (LOM) is developed by_______ a.Stratasys b.CAM-LEM c.Kira Corporation d.Cubic Technologies
Last Answer : d.Cubic Technologies
Description : The degree of the curve is independent of the number of control points in _____ a.Hermite cubic spline curve b.Bezier curve c.B-spline curve d.Hyperbola
Last Answer : c.B-spline curve
Description : ________curves allow local control of the curve. a.Analytical b.Hermite cubic spline c.Beizer d.B-Spline
Last Answer : d.B-Spline
Description : The Bezier curve is smoother than the Hermite cubic spline because it has _________ orderderivatives. a.lower b.higher c.lower and higher both d.none of the above
Last Answer : b.higher
Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following? a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above
Last Answer : b.Hermite Cubic Spline Curve
Description : Find parametric equation for Y-coordinates of Hermite cubic spline curve having endpoints P0[4,4]; P1[8,5] a.2u3-3u2+2u+4 b.3u3-2u2-2u-4 c.2u3-3u2-2u-4 d.2u3+3u2+2u+4
Last Answer : a.2u3-3u2+2u+4
Description : Find parametric equation for X-coordinates of hermite cubic spline curve having endpoints P0[4,4]; P1[8,5] a.-5u3+8u2+u+1 b.5u3+8u2+u+1 c.8u3-5u2-u+1 d.8u3+5u2+u+1
Last Answer : a.-5u3+8u2+u+1
Description : The degree of the curve is independent of the number of control points in . a.Hermite cubic spline curve b.Bezier curve c.B-spline curve d.Hyperbola
Description : The number of control points can be added orsubtracted in . a.Bezier curve b.B-spline curve c.Cubic spline curve d.all of the above
Last Answer : b.B-spline curve
Description : To determine the coefficients of the equation – two end-points and the two tangentvectors. This statement is true for which of the following a.B-spline curve b.Hermite Cubic Spline Curve c.Beizer curve d.none of the above
Description : curves allow local control of the curve a.Analytical b.Hermite cubic spline c.Beizer d.B-Spline
Description : The curve that follows a convex hull property is: a.Cubic spline b.B-spline c.Bezier curve d.Both (b) and (c)
Last Answer : b.B-spline
Description : The number of tangents required to describe cubic splines is a.2 b.1 c.3 d.4
Last Answer : b.1
Description : Which of the following is not a synthetic entity? a.Hyperbola b.Bezier curve c.B-spline curve d.Cubic spline curve
Last Answer : a.Hyperbola
Description : A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the ... a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg
Last Answer : a. 15 - 20 kg
Description : Piston displacement is the volume displaced by the piston during one stroke and is usually expressed in 1. Cubic meter 2.cubic inches 3. Both of these 4. none of these
Last Answer : <!-- [endif] -->ans-1
Description : Water flow to a terminal 3 mm diameter and has an average speed of 2 m/s. What is the rate of flow in cubic meter/mm? a. 0.0001m³/min b. 0.076 m³/min c. 0.085 m³/min d. 0.097 m³/min
Last Answer : 0.085 m³/min
Description : A vessel with a volume of cubic meter contains liquid water and water vapor ion equilibrium at 600 kPa. The liquid water has mass of1kg. Using the steam table, calculate the mass of the water vapor. A. 0.99kg B. 1.57 kg C ... / kg vg = 0.3157 m^3 / kg Vtot = mƒ vƒ + mg vg mg = (tot-mƒ vƒ) / vg
Last Answer : 3.16 kg
Description : To displace a cubic foot of fresh water, you need _________ force. a. 62.4 lb b. 9.81 lb c. 76 lb d. 760 lb
Last Answer : 62.4 lb
Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due
Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct
Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc
Last Answer : Answer : D
Description : The phenomenon by which the same element exists in the same physical state in different forms is known as?
Last Answer : Allotropy
Description : The only matter which exists in three forms (Solid; liquid; gas)?
Last Answer : Water
Description : Pick out the wrong statement. (A) Tin can be readily and very easily drawn into very fine wire (B) Tin can be severely cold worked without the necessity of annealing due to its low recrystallisation temperature (C) Tin exists in two allotropic forms
Last Answer : (A) Tin can be readily and very easily drawn into very fine wire
Description : Titanium metal (A) Exists in three allotropic forms (B) Cannot be welded (C) Is used in oceanographic and space exploration applications (D) None of these
Last Answer : (C) Is used in oceanographic and space exploration applications
Description : In solution, glucose exists as _________ (a) the open-chain form only (b) the cyclic hemiacetal form only (c) the cyclic acetal form only (d) an equilibrium mixture of the open-chain form and cyclic hemiacetal forms
Last Answer : an equilibrium mixture of the open-chain form and cyclic hemiacetal forms
Description : What is the name given to an element that exists in two or more physical forms?
Last Answer : ANSWER: ALLOTROPIC