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Description : Can you help me understand what a parabolic cylinder is in the context of this problem?

Last Answer : answer:I’m just guessing here, but it sounds to me that instead of a normal cylinder with a circular wall, the cylinder you’re looking at here is ovoid (if closed), meaning that sections of it would have a parabolic curved wall. Here are some examples, if it helps.

Description : How is the line interpolation method better than circula interpolation method, parabolic interpolation method and spline curve interpolation method?

Last Answer : Interpolation https://en.wikipedia.org/wiki/Interpolation

Description : The shape of a suspended cable under its own weight is a.Catenary b.Elliptical c.Cycloidal d.Semi-circle e.Parabolic

Last Answer : a. Catenary

Description : The curve of a catenary by nature is a.hyperbolic b.ellipse c.107 dynes d.circular e.parabolic

Last Answer : e. parabolic

Description : The parabolic potential of a substance depends on what factors ?

Last Answer : Answer : ( 1) Thickness of the object ( ii) Volume and shape of the electrode ( iii) Type of electric field ( iv) Frequency of applied voltage ( v) Rate and duration of application of voltage ( ... of voltage ( vi) viii) Potential chemical changes as a result of moisture content and ( ix) pressure.

Description : A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is along x-axis. The work done by the field is

Last Answer : A point charge q moves from A to B along a parabolic(x2 =2ay) path (AB is latus rectum). Electric field is ... qEa` B. `+qEa` C. `-2qEa` D. `2qEa`

Description : The type of mirror used in the headlamps of cars is the (a) plane mirror (b) spherical convex mirror (c) spherical concave mirror (d) parabolic concave mirror

Last Answer : Ans:(d)

Description : Shaving mirror is – (1) Convex (2) Concave (3) Plane (4) Parabolic

Last Answer : (2) Concave Explanation: Concave mirrors are used in makeup or shaving mirrors. When shaving or applying makeup, a person holds the mirror close to her face. This allows him to see an enlarged image of him face, which is helpful for applying makeup or shaving correctly.

Description : Which type of mirror is used in the head lights of vehicles? (1) Plane mirror (2) Concave mirror (3) Convex mirror (4) Parabolic mirror

Last Answer : (2) Concave mirror Explanation: Car head lights have concave mirrors because it collects and focuses as much as possible of the light from the bulb and send it out as a fairly tight beam in one ... at the focal point. The reflected light is parallel and gives more visibility to the driver at night.

Description : A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle? (1) Circle (2) Parabolic (3) Great circle (4) Hyper-parabolic

Last Answer : (2) Parabolic Explanation: If a particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower then a parabolic path will be traversed by ... the point of projection and when it reaches the ground that point is called the point of impact.

Description : Parabolic mirros are used in – (1) Car headlights (2) Driving mirrors (3) Dentists mirros (4) Shaving mirros

Last Answer : (1) Car headlights Explanation: A parabolic reflector (mirror) transforms an incoming plane wave traveling along the axis into a spherical wave converging toward the focus. Since the principles of ... focus outward in a parallel beam, used in devices such as spotlights and car headlights.

Description : The mirror used for the head light of a car is – (1) spherical concave (2) plane (3) cylindrical (4) parabolic concave

Last Answer : (4) parabolic concave Explanation: A parabolic (or paraboloid or paraboloidal) reflector(or dish or mirror) is a reflective surface used to collect or project energy such as light, sound, or radio waves.

Description : The type of mirrors used in the headlamp of cars is – (1) Parabolic concave (2) Plane (3) Spherical convex (4) Cylindrical concave

Last Answer : (1) Parabolic concave Explanation: Curved mirror that reflects light from its inner surface, the curve being inward. It may be either circular or parabolic in section. A concave mirror converges parallel light ... is not too close to the mirror. A real image is formed at the point of convergence.

Description : In olden days the type of section adopted in trunk and out fall sewers was A. Parabolic shaped B. Horse shoe shaped C. Egg shaped D. Circular shaped

Last Answer : ANS: B

Description : The most efficient cross section of sewers in a separate sewerage system is A. Parabolic B. Circular C. Rectangular D. New egged

Last Answer : ANS: B

Description : For trunk and out-fall, the type of sewers generally used, is A. Standard egg shaped B. Circular shaped C. Horse shoe shaped D. Parabolic shaped

Last Answer : ANS: C

Description : The most efficient cross-section of sewers in a combined sewerage system is A. Parabolic B. Circular C. Rectangular D. New egged

Last Answer : ANS: B

Description : One of the following is very useful as a multiband HF receiving antenna. A. Parabolic antenna B. Elementary doublet C. Log-periodic D. Square loop

Last Answer : C. Log-periodic

Description : An antenna with very high gain and very narrow beamwidth. A. Helical antenna B. Discone antenna C. Horn antenna D. Parabolic dish antenna

Last Answer : D. Parabolic dish antenna

Description : A special horn antenna consisting of a parabolic cylinder joined to a pyramidal horn. A. Hoghorn B. Cass-horn C. Pyramidal horn D. Conical horn

Last Answer : A. Hoghorn

Description : What antenna can be used to minimize the effect of Faraday rotation of polarization? A. Dipole B. Parabolic C. Helical D. Rhombic

Last Answer : C. Helical

Description : What illumination factor is normally considered in computing parabolic antenna gain in microwave communications? A. 0.54 B. 0.65 C. 0.75 D. 0.85

Last Answer : A. 0.54

Description : How does the gain of a parabolic dish type antenna change when the operating frequency is doubled? A. Gain does not change B. Gain is multiplied by 0.707 C. Gain increases 6 dB D. Gain increases 3 dB

Last Answer : C. Gain increases 6 dB

Description : Determine the gain of a 6 ft. parabolic dish operating at 1800 MHz. A. 30 dB B. 11.2 dB C. 15.5 dB D. 28.17 dB

Last Answer : D. 28.17 dB

Description : What is the free space loss, in dB, between two microwave parabolic antennas 38.0 kilometer apart operating at 7.0 GHz? A. 145.6 dB B. 138.5 dB C. 135.5 dB D. 140.89 dB

Last Answer : D. 140.89 dB

Description : ECE Board Exam March 1996 A type of an underground antenna is a/an __________ antenna. A. Hertz B. isotropic C. parabolic D. Marconi

Last Answer : A. Hertz

Description : ECE Board Exam March 1996 An antenna that is circularly polarized is the ____________. A. parabolic reflector B. helical C. Yagi-uda D. small circular loop

Last Answer : B. helical

Description : The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law. (A) Exponential (B) Parabolic (C) Linear (D) Cubic

Last Answer : (A) Exponential

Description : If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ ... (A) Hyperbolic (B) Parabolic (C) Linear (D) Logarithmic

Last Answer : (C) Linear

Description : Graph of potential energy against distance is A. curve B. parabolic C. hyperbolic D. straight line

Last Answer : straight line

Description : Temperature profile in steady state heat transfer is (A) Asymptotic (B) Hyperbolic (C) Parabolic (D) Linear

Last Answer : (D) Linear

Description : In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is (A) Linear (B) Hyperbolic (C) Parabolic (D) None of these

Last Answer : (C) Parabolic

Description : If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law. (A) Parabolic (B) Hyperbolic (C) Linear (D) Logarithmic

Last Answer : (A) Parabolic

Description : A parabolic dish antenna isa(n)_______ antenna. A) omnidirectional B) bidirectional C) unidirectional D) horn

Last Answer : unidirectiona

Description : Typical growth curve in plants is (a) stair-steps shaped (b) parabolic (c) sigmoid (d) linear.

Last Answer : (c) sigmoid

Description : Aerobic respiratory pathway is appropriately termed (a) parabolic (b) amphibolic (c) anabolic (d) catabolic

Last Answer : (b) amphibolic

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

Description : For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance 'd' measured from the wall of the pipe and the friction velocity 'v', and it follows a __________ relationship. (A) Logarithmic (B) Linear (C) Hyperbolic (D) Parabolic

Last Answer : (A) Logarithmic

Description : The velocity profile for turbulent flow through a closed conduit is (A) Logarithmic (B) Parabolic (C) Hyperbolic (D) Linear

Last Answer : (A) Logarithmic

Description : The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is (A) Parabolic (B) Flat (C) Flat near the wall and parabolic in the middle (D) Parabolic near the wall and flat in the middle

Last Answer : (D) Parabolic near the wall and flat in the middle

Description : Which law is followed by the velocity distribution in the turbulent boundary layer? (A) Parabolic law (B) Linear law (C) Logarithmic law (D) None of these

Last Answer : (C) Logarithmic law

Description : The distribution of shear stress in a stream of fluid in a circular tube is (A) Linear with radius for turbulent flow only (B) Linear with radius for laminar flow only (C) Linear with radius for both laminar & turbulent flow (D) Parabolic with radius for both laminar & turbulent flow

Last Answer : (C) Linear with radius for both laminar & turbulent flow

Description : For laminar flow of Newtonian fluid in a circular pipe, the velocitydistribution is a function of the distance 'd' measured from the centre line of the pipe, and it follows a __________ relationship. (A) Logarithmic (B) Parabolic (C) Hyperbolic (D) Linear

Last Answer : (B) Parabolic

Description : Most commonly used section in grade aqueducts, is  (A) Circular  (B) Rectangular  (C) Parabolic  (D) Horse shoe section 

Last Answer : (B) Rectangular 

Description : The population growth curve is  (A) S-shaped curve  (B) Parabolic curve  (C) Circular curve  (D) Straight line 

Last Answer : (A) S-shaped curve

Description : The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with  a uniformly distributed load l t per horizontal length is (where Ic  is the M.I. at the crown, which  varies as the slope ... arch).  (A) 50/EIc (B) 100/EIc (C) 150/EIc (D) 200/E

Last Answer : (D) 200/E

Description : For calculating the allowable stress of long columns. The empirical formula 0 y/n) (1 - a l/r), is  known as  (A) Straight line formula  (B) Parabolic formula  (C) Perry's formula  (D) Rankine's formula 

Last Answer : (A) Straight line formula 

Description : The equation of a parabolic arch of span and rise , is given by  (A) y = h/l² × (1 - x)  (B) y = 2h/l² × (1 - x)  (C) y = 3h/l² × (1 - x)  (D) y = 4h/l² × (1 - x) 

Last Answer : (D) y = 4h/l² × (1 - x) 

Description : For calculating the permissible stress 0 y /[(1 + a(l/r)²]is the empirical formula, known as  (A) Straight line formula  (B) Parabolic formula  (C) Perry's formula  (D) Rankine's formula 

Last Answer : (D) Rankine's formula 

Description : If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit  length over the entire span,  (A) Horizontal thrust is wl2 /8h (B) S.F. will be zero throughout  (C) B.M. will be zero throughout  (D) All the above 

Last Answer : (D) All the above