The beam from a horizontally positioned cylindrical paraboloid is narrow in what plane?

The beam from a horizontally positioned cylindrical  paraboloid is narrow in what plane?
by

1 Answer

Answer :

. Vertical.
by

Related questions

A horizontally truncated paraboloid antenna is used for what purpose?

Description : A horizontally truncated paraboloid antenna is used for what purpose?

Last Answer : Determine elevation.

When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of (A) A triangle (B) A paraboloid (C) An ellipse (D) None of these

Description : When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of (A) A triangle (B) A paraboloid (C) An ellipse (D) None of these

Last Answer : Answer: Option B

In which plane will the half-wave antenna be operating if it is mounted horizontally?

Description : In which plane will the half-wave antenna be operating if it is mounted horizontally?

Last Answer : Vertical plane.

How many major lobes are produced by a paraboloid reflector?

Description : How many major lobes are produced by a paraboloid reflector?

Last Answer : One.

Brushes in a generator must be positioned in the neutral plane to avoid sparking between the brushes and the _____________. A. yoke B. armature windings C. field pole windings D. commutator

Description : Brushes in a generator must be positioned in the neutral plane to avoid sparking between the brushes and the _____________. A. yoke B. armature windings C. field pole windings D. commutator

Last Answer : Answer: D

Spinal cord is a long narrow and almost cylindrical structure that extends from the brain to the (a) coccygeal region (b) sacrum (c) first lumbar vertebra (d) last lumbar vertebra

Description : Spinal cord is a long narrow and almost cylindrical structure that extends from the brain to the (a) coccygeal region (b) sacrum (c) first lumbar vertebra (d) last lumbar vertebra

Last Answer : Ans:(c)

10. Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field? -Science

Description : 10. Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field? -Science

Last Answer : The direction of the magnetic field can be determined using the Fleming’s Left hand rule. The direction of the magnetic field will be perpendicular to the direction of current and the direction ... it can be concluded that the direction of the magnetic field inside the chamber is downward.

If disks are stored horizontally, how many can be stacked?

Description : If disks are stored horizontally, how many can be stacked?

Last Answer : No more than ten.

An electromagnetic wave is ________ polarized when the electric field lies wholly in one plane containing the direction of propagation. A. Horizontally B. Linearly C. Circularly D. Vertically

Description : An electromagnetic wave is ________ polarized when the electric field lies wholly in one plane containing the direction of propagation. A. Horizontally B. Linearly C. Circularly D. Vertically

Last Answer : B. Linearly

Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction (A) Along the plane (B) Horizontally (C) Vertically(D) At an angle equal to the angle of friction to the inclined plane

Description : Least force required to draw a body up the inclined plane is W sin (plane inclination + friction  angle) applied in the direction  (A) Along the plane  (B) Horizontally  (C) Vertically  (D) At an angle equal to the angle of friction to the inclined plane 

Last Answer : (D) At an angle equal to the angle of friction to the inclined plane 

Refer to problem # 11. Determine the force that accelerates if to 12 m/s^2. horizontally along frictionless plane.  A. 2474.23 N  B. 2574.23 N  C. 3474.23 N  D. 2374.23 N Formula : M = wk / g F = ma /k

Description : Refer to problem # 11. Determine the force that accelerates if to 12 m/s^2. horizontally along frictionless plane.  A. 2474.23 N  B. 2574.23 N  C. 3474.23 N  D. 2374.23 N Formula : M = wk / g F = ma /k

Last Answer : 2474.23 N

Frankfort plane extends from, A. horizontally from Sella to nasion B. Sagittal from …. C. Horizontally from point on superior aspect of external auditory meatus to orbitale

Description : Frankfort plane extends from, A. horizontally from Sella to nasion B. Sagittal from …. C. Horizontally from point on superior aspect of external auditory meatus to orbitale

Last Answer : C. Horizontally from point on superior aspect of external auditory meatus to orbitale

A region in front of a paraboloid antenna. A. Transmission zone B. All of these C. Fraunhofer D. Fresnel

Description : A region in front of a paraboloid antenna. A. Transmission zone B. All of these C. Fraunhofer D. Fresnel

Last Answer : B. All of these

In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder (C) Velocity profile varies hyperbolically and the shear stress remains constant over the cross-section (D) Average flow occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Description : In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a ... occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)

Last Answer : (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder

A circular slab subjected to external loading, deflects to form a (A) Semi-hemisphere (B) Ellipsoid (C) Paraboloid (D) None of these

Description : A circular slab subjected to external loading, deflects to form a (A) Semi-hemisphere (B) Ellipsoid (C) Paraboloid (D) None of these

Last Answer : Answer: Option C

What reflecting surface forms a geometrically perfect image of a point source located at infinity (such as that approximated by a star)? w) Paraboloid x) Ellipsoid y) spherical z) Hyperboloid

Description : What reflecting surface forms a geometrically perfect image of a point source located at infinity (such as that approximated by a star)? w) Paraboloid x) Ellipsoid y) spherical z) Hyperboloid

Last Answer : ANSWER: W -- PARABOLOID

The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for maximum strength are: (A) b = 57.73 cm d = 81.65 cm (B) b = 81.65 cm d = 57.73 cm (C) b = 50.00 cm d = 50.00 cm (D) b = 40.00 cm d = 80.00 cm

Description : The width b and depth d of a beam cut from a wooden cylindrical log of 100 cm diameter for  maximum strength are:  (A) b = 57.73 cm d = 81.65 cm  (B) b = 81.65 cm d = 57.73 cm  (C) b = 50.00 cm d = 50.00 cm  (D) b = 40.00 cm d = 80.00 cm 

Last Answer : (A) b = 57.73 cm d = 81.65 cm 

A cylindrical copper block with resonant cavities around the circumference is used as what component of a magnetron?

Description : A cylindrical copper block with resonant cavities around the circumference is used as what component of a magnetron?

Last Answer : Anode or plate

____ is a light that can be coherent ∙ a. Spontaneous emission ∙ b. Monochromatic and in-phase ∙ c. Narrow beam divergence ∙ d. Monochromatic

Description : ____ is a light that can be coherent ∙ a. Spontaneous emission ∙ b. Monochromatic and in-phase ∙ c. Narrow beam divergence ∙ d. Monochromatic

Last Answer : ∙ b. Monochromatic and in-phase

Laser radiation is: w) monochromatic x) directed in a narrow beam y) produced with large power densities z) all of the above

Description : Laser radiation is: w) monochromatic x) directed in a narrow beam y) produced with large power densities z) all of the above

Last Answer : ANSWER: Z -- ALL OF THE ABOVE

Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) The electron gun creates a source of electrons which are focussed into a narrow beam directed at the face of CRT. (4) All of the above.

Description : Which of the following statement(s) is/are correct? (1) Persistence is the term used to describe the duration of phosphorescence. (2) The control electrode is used to turn the electron beam on and off. (3) ... which are focussed into a narrow beam directed at the face of CRT. (4) All of the above. 

Last Answer : All of the above.

For the rear view, motorists use (a) plane mirror (b) concave mirror (c) convex mirror (d) cylindrical mirror

Description : For the rear view, motorists use (a) plane mirror (b) concave mirror (c) convex mirror (d) cylindrical mirror

Last Answer : Ans:(c)

A dentist’s mirror is a (a) cylindrical mirror (b) plane mirror (c) none of these (d) concave mirror

Description : A dentist’s mirror is a (a) cylindrical mirror (b) plane mirror (c) none of these (d) concave mirror

Last Answer : Ans:(d)

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

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.

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

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.

Pick up the correct statement from the following: (A) An unconfined compression test is a special case of triaxial compression test (B) An unconfined compression test is a special case of direct shear test (C) The confining pressure is maximum during an unconfined compression test (D) The cylindrical specimen of a soil is subjected to major principal stress till it fails due to shearing along the plane of the failure

Description : Pick up the correct statement from the following: (A) An unconfined compression test is a special case of triaxial compression test (B) An unconfined compression test is a special case of direct ... subjected to major principal stress till it fails due to shearing along the plane of the failure

Last Answer : Option A

A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively (A) 0.5 N/mm² and 30° (B) 0.05 N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Description : A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of ... N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Last Answer : Answer: Option B

In Fraunhofer diffraction, the incident wave front should be ….. A. elliptical B. Plane C. Spherical D. Cylindrical

Description : In Fraunhofer diffraction, the incident wave front should be ….. A. elliptical B. Plane C. Spherical D. Cylindrical

Last Answer : B. Plane

You want to put up a mirror at a blind corner in a building. Which of the following will give you the largest field of view? Is it a: w) convex mirror x) concave mirror y) cylindrical mirror z) plane mirror

Description : You want to put up a mirror at a blind corner in a building. Which of the following will give you the largest field of view? Is it a: w) convex mirror x) concave mirror y) cylindrical mirror z) plane mirror

Last Answer : ANSWER: W -- CONVEX MIRROR

The type of mirrors used in the headlamp of cars is (1) parabolic concave (2) plane (3) spherical convex (4) cylindrical concave

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 : parabolic concave

What type filter is used to block the passage of current for a narrow band of frequencies, while allowing current to flow at all frequencies above or below this band?

Description : What type filter is used to block the passage of current for a narrow band of frequencies, while allowing current to flow at all frequencies above or below this band?

Last Answer : . Band-reject.

What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Description : What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Last Answer : Bandpass.

Where is your bed positioned in your bedroom?

Description : Where is your bed positioned in your bedroom?

Last Answer : Allways in the corners. To keep the pillows from falling on the floor.

Sunday fun question: If you turned on the kitchen faucet and instantly discovered that someone had taped the handle of the sprayer down and positioned it just so, so that water would nail you in the face, what is the first name you would yell?

Description : Sunday fun question: If you turned on the kitchen faucet and instantly discovered that someone had taped the handle of the sprayer down and positioned it just so, so that water would nail you in the face, what is the first name you would yell?

Last Answer : answer:Wouldn’t be a name, it would be “WHAT THE HELL?” Then I’d think it was my dad because he’s the most prankstery in the family, other than myself lol.

Is there a car that you would prefer to see the license plate positioned on the trunk lid rather than the bumper, or vice versa?

Description : Is there a car that you would prefer to see the license plate positioned on the trunk lid rather than the bumper, or vice versa?

Last Answer : IMO it take away from the asthetics of the car to have the licence on the trunk.

How are your teeth positioned when your jaw is relaxed?

Description : How are your teeth positioned when your jaw is relaxed?

Last Answer : Ajar (slightly). (Sometimes) bottom row and (sometimes) top row tongue rester.

How do spy satellites get positioned?

Description : How do spy satellites get positioned?

Last Answer : answer:Depends on its function. Satellites that are designed to map and see the whole globe go in a north south direction so the Earth rotates under them. Otherwise, they'll be in an orbit that ... be in geosynchronous orbit-but those aren't as good as spy satellites as they are must farther out.

Why are bricks positioned vertically over windows and doorways?

Description : Why are bricks positioned vertically over windows and doorways?

Last Answer : I hate linking to Wikipedia, but usually their articles are well-developed. So here’s what I found: http://en.wikipedia.org/wiki/Arch#Technical_aspects

Two male members of the aristocracy are positioned to engage in battle against one another. Their wives, undaunted and loyal, stand beside their husbands, despite the dangers of the impending conflict. The strength of each of the opposing forces is equal, but small, with a mere 14 fighting men for each force, aside from the husbands and their wives. The combat is about to commence, so I ask you ------- Which army will make the first move? -Riddles

Description : Two male members of the aristocracy are positioned to engage in battle against one another. Their wives, undaunted and loyal, stand beside their husbands, despite the dangers of the impending conflict. The strength of ... commence, so I ask you ------- Which army will make the first move? -Riddles

Last Answer : The White Army. White always is required to make the first move ----- in a game of chess.

When Performing medical aseptic hand washing the hands should be positioned?

Description : When Performing medical aseptic hand washing the hands should be positioned?

Last Answer : In medical you are to wash hand very often. When washing thehands you should wash them with soap from the top to thebottom.

What term describes a prism that only has one base positioned opposite of a single point?

Description : What term describes a prism that only has one base positioned opposite of a single point?

Last Answer : The term that best describes it is an "oxymoron". A solid shapewith one base opposite a single point is not a prism so such anobject cannot exist.

Who is better positioned to regulate online transactions and handle irregularities or complaints and ndash consumer advocacy groups or the government?

Description : Who is better positioned to regulate online transactions and handle irregularities or complaints and ndash consumer advocacy groups or the government?

Last Answer : Who is better positioned to regulate online transactions andhandle irregularities or complaints - consumer advocacy groups orthe government

When moving detainees by foot vehicles should be positioned at thr rear of the formation to provide which type of support?

Description : When moving detainees by foot vehicles should be positioned at thr rear of the formation to provide which type of support?

Last Answer : Feel Free to Answer

When raising a vehicle on a hoist how should it be positioned?

Description : When raising a vehicle on a hoist how should it be positioned?

Last Answer : Feel Free to Answer

Who is better positioned to regulate online transactions and handle irregularities or complaints and ndash consumer advocacy groups or the government?

Description : Who is better positioned to regulate online transactions and handle irregularities or complaints and ndash consumer advocacy groups or the government?

Last Answer : Who is better positioned to regulate online transactions andhandle irregularities or complaints - consumer advocacy groups orthe government

What does a cctv surveillance camera consist of and where is it positioned?

Description : What does a cctv surveillance camera consist of and where is it positioned?

Last Answer : CCTV surveillance cameras consist infrared and bunch of other surveillance styles. They can be positioned onto the corner of most walls. For more information on cctv surveillance cameras, visit: www.closeoutcctv.com/

When the pointer is positioned on a _____ it is shaped like a hand. 1) Grammar error 2) Hyperlink 3) Screen tip 4) Spelling error 5) Formatting error

Description : When the pointer is positioned on a _____ it is shaped like a hand. 1) Grammar error 2) Hyperlink 3) Screen tip 4) Spelling error 5) Formatting error

Last Answer : Answer :2

Etched or burned bands on the contact faces of the brushes in a direct current generator can be caused by ____________. A. high mica segments B. copper drag on the commutator C. brushes improperly positioned D. copper embedded in the brushes

Description : Etched or burned bands on the contact faces of the brushes in a direct current generator can be caused by ____________. A. high mica segments B. copper drag on the commutator C. brushes improperly positioned D. copper embedded in the brushes

Last Answer : Answer: C

A handheld digital tachometer could give a bad reading if ___________________. A. aimed directly at the shaft B. partially aimed at a 60 Hz. fluorescent light C. positioned 5-10 inches from the shaft D. the tape is too shiny

Description : A handheld digital tachometer could give a bad reading if ___________________. A. aimed directly at the shaft B. partially aimed at a 60 Hz. fluorescent light C. positioned 5-10 inches from the shaft D. the tape is too shiny

Last Answer : Answer: B