Description : Skew rays and meridional rays define different acceptance angles. Which acceptance angle is larger, the skew ray angle or the meridional ray angle?
Last Answer : Skew ray angle.
Description : The maximum angle in which external light rays may strike the air/glass interface and still propagate down the fiber. ∙ A. Acceptance cone half-angle ∙ B. Acceptance cone ∙ C. Critical angle ∙ D. Angle of incidence
Last Answer : A. Acceptance cone half-angle
Description : The maximum angle in which external light rays may strike the air/glass interface and still propagate down the fiber.
Last Answer : Acceptance cone half-angle
Description : Drying operation under vacuum is carried out to (A) Dry those materials which have very high unbound moisture content (B) Reduce drying temperature (C) Increase drying temperature (D) Dry materials having high bound moisture content
Last Answer : (B) Reduce drying temperature
Description : During drying operation, it is easier to remove the __________ moisture. (A) Equilibrium (B) Critical (C) Unbound (D) Bound
Last Answer : (C) Unbound
Description : Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture. (A) Bound (B) Unbound (C) Critical (D) None of these
Last Answer : (A) Bound
Description : Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture. (A) Unbound (B) Free (C) Critical (D) Bound
Last Answer : (B) Free
Description : All moisture in a non-hygroscopic material is the __________ moisture. (A) Free (B) Equilibrium (C) Unbound (D) Bound
Description : Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. (A) Unbound (B) Critical (C) Free (D) Bound
Last Answer : (A) Unbound
Description : Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. (A) Free (B) Unbound (C) Equilibrium (D) Bound
Last Answer : (C) Equilibrium
Description : Low-order and high-order modes propagate along an optical fiber. How are modes determined to be low-order or high order modes?
Last Answer : Depends on the bending caused by the velocity difference of the wave traveling through different mediums
Description : Whoever, being a public servant, and being legally bound as such public servant, not to purchase or bid for certain property, purchases or bids for that property, either in his own name or in the name ... imprisonment for a term which may be extend 3 year or with fine or both d) None of these
Last Answer : b) Simple imprisonment for a term which may be extend 2 year or with fine or both
Description : Light travels faster in a material with a lower refractive index. Therefore, light rays that travel a longer distance in a lower refractive index travel at a greater average velocity. What effect does this have on multimode graded-index fiber modal dispersion and bandwidth?
Last Answer : Decreases the time difference between light rays, which reduces modal dispersion and increases fiber bandwidth.
Description : In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always (A) Zero (B) Tensile (C) Compressive (D) Tensile or compressive
Last Answer : (C) Compressive
Description : The transport of energy or matter across the parallels of latitude in a north-south direction or the reverse is called: w) global transport x) air transport y) meridional transport z) polar transport
Last Answer : ANSWER: Y -- MERIDIONAL TRANSPORT
Description : To propagate energy down an arm of a hybrid ring duplexer, the two fields at the junction of the arm and the ring must have what phase relationship?
Last Answer : 180 degrees out of phase
Description : The value of the normalized frequency parameter (V) relates the core size with mode propagation. When single mode fibers propagate only the fundamental mode, what is the value of V?
Last Answer : V≤2.405.
Description : What fiber property directly affects splice loss in fusion splicing?
Last Answer : The angles and quality of the two fiber-end faces.
Description : What fiber property does numerical aperture (NA) measure?
Last Answer : NA measures the light-gathering ability of an optical fiber.
Description : What is the basic optical-material property relevant to optical fiber light transmission?
Last Answer : The index of refraction.
Description : The cutoff wavelength of matched-clad and depressed-clad single mode fibers varies according to the fiber's radius of curvature and length. The cutoff wavelength of which single mode fiber type is more sensitive to length
Last Answer : Depressed-clad.
Description : What shape do electron probability fields have when they are unbound?
Last Answer : FireMadeFlesh What a fascinating question. An unbound electron does not exhibit quantized energy levels. However, it does exhibit the wave/particle duality that photons and other unbound particles do. That doesn't close the ... I can bring to the party, and this is a party I want to attend. :-)
Description : Vasopressin and oxytocin circulate unbound to proteins and have very short plasma half lives, on the order of (A) 1–2 minutes (B) 2–4 minutes (C) 5–8 minutes (D) 10–12 minutes
Last Answer : Answer : B
Description : Free fatty acids are transported in the blood (A) Combined with albumin (B) Combined with fatty acid binding protein (C) Combined with β -lipoprotein (D) In unbound free salts
Last Answer : Answer : A
Description : In the constant rate period of the rate of drying curve for batch drying, (A) Cracks develop on the surface of the solid (B) Rate of drying decreases abruptly (C) Surface evaporation of unbound moisture occurs (D) None of these
Last Answer : (C) Surface evaporation of unbound moisture occurs
Description : During the constant rate period of drying of a solid, (A) Increased air humidity decreases the rate of drying (B) Increasing the air temperature decreases the drying rate (C) Surface evaporation of unbound moisture occurs (D) None of these
Description : How are laced cable groups bound together?
Last Answer : They are bound together at intervals with telephone hitches.
Description : Modes that are bound at one wavelength may not exist at longer wavelengths. What is the wavelength at which a mode ceases to be bound called?
Last Answer : Cutoff wavelength
Description : Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature. (A) Less than (B) More than (C) Equal to (D) Either (A) or (B); depends on the solid
Last Answer : (A) Less than
Description : The operation of resection involves the following steps 1. Rough orientation of the plane table 2. The three lines form a triangle of error 3. Drawing lines back through the three control points 4. Select a point in the triangle of error ... 2, 3, 4, 5 (C) 1, 4, 3, 2, 5 (D) 1, 3, 2, 4, 5
Last Answer : (A) 1, 3, 2, 4, 5
Description : Nitroglycerin, either directly or through reflexes, results in which one of the following effects (a) Decreased heart rate (b) Decreased venous capacitance (c) Increased afterload (d) Increased cardiac force (e) Increased diastolic intramyocardial fiber tension
Last Answer : Ans: D
Description : Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______. (1) light waves (2) electromagnetic waves (3) electric waves (4) magnetic waves
Last Answer : (2) electromagnetic waves Explanation: Electromagnetic radiation is the radiant energy released by certain electromagnetic processes. It consists of electromagnetic waves which are synchronized oscillations of electric and magnetic fields that propagate at the speed of light through a vacuum.
Description : Pick up the correct statement in case of water supply. (A) Pipes laid in trenches and pipes fixed to walls are measured separately (B) Cutting through walls and floors are included with the item (C) Pipes are classified according to their sizes and quality (D) All the above
Last Answer : (D) All the above
Description : What does Patal propagate through ?
Last Answer : Patal propagates through roots.
Description : ________ dispersion is caused by the difference in the propagation times of light rays that take different paths down a fiber. a. Material dispersion b. Wavelength dispersion c. Modal dispersion d. Delay dispersion
Last Answer : c. Modal dispersion
Description : It is caused by the difference in the propagation time of light rays that take different paths down the fiber. ∙ A. modal dispersion ∙ B. microbending ∙ C. Rayleigh scattering ∙ D. chromatic dispersion
Last Answer : A. modal dispersion
Description : Light rays that are emitted simultaneously from an LED and propagated down an optical fiber do not arrive at the far end of the fiber at the same time results to ∙ A. intramodal dispersion ∙ B. pulse length dispersion ∙ C. modal dispersion ∙ D. wavelength dispersion
Last Answer : D. wavelength dispersion
Description : More than one path for light rays to take down the fiber ∙ A. Multimode ∙ B. Step-index ∙ C. Single mode
Last Answer : A. Multimode
Description : Only one path for light rays to take down the fiber ∙ A. Multimode ∙ B. Step-index ∙ C. Single mode ∙ D. Graded index
Last Answer : C. Single mode
Description : ______ dispersion is caused by the difference in the propagation times of light rays that take different paths down a fiber. ∙ a. Material dispersion ∙ b. Wavelength dispersion ∙ c. Modal dispersion
Last Answer : ∙ c. Modal dispersion
Description : If the fiber length of a cotton hybrid variety is 25 mm, it classified under
Last Answer : Ans.Long staple cotton
Description : Losses caused by skin effect and the I2R (power) loss are classified as what type of loss?
Last Answer : Copper losses.
Description : At present what type of classified use is allowed for SNAP II?
Last Answer : Unclassified.
Description : How are computers classified?
Last Answer : Technology (mechanical, electromechanical, electronic), purpose (special or general), type of data they handle (analog or digital), cost, physical size (handheld to room size)
Description : Components made up exclusively of discrete elements are classified as what type of electronics?
Last Answer : Miniature.
Description : In what two ways are amplifiers classified?
Last Answer : By function and frequency response.
Description : Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?
Last Answer : T-coupler
Description : What is the difference between passive and active fiber optic couplers?
Last Answer : Passive couplers redistribute optical signals without optical-to electrical conversion.
Description : The Navy classifies fiber optic connectors in what two ways?
Last Answer : Light-duty and heavy-duty connectors.
Description : Is coupling loss from fiber separation and lateral misalignment more critical in expanded-beam or butt-jointed connectors?
Last Answer : Butt-jointed connectors.