Description : What size wire bundles require double lace?
Last Answer : Bundles that are 1 inch or larger in diameter
Description : Why is flat tape preferred instead of round cord when wire bundles are laced?
Last Answer : Round cord has a tendency to cut into the wire insulation.
Description : What precautions should you take when tying bundles containing coaxial cables?
Last Answer : Do not tie too tightly and use the proper type of tape.
Description : In a shell and tube type heat exchanger, the floating tube bundle heat arrangement is used (A) In low range of temperature differences (B) In high range of temperature differences (C) Because of its low cost (D) To prevent corrosion of the tube bundles
Last Answer : (B) In high range of temperature differences
Description : State why it is important for you to consider the ambient (surrounding) temperature of a conductor when selecting wire size.
Last Answer : The heat surrounding the conductor is an important part of total conductor heating.
Description : If magnetic tape is stored in areas with temperature and humidity extremes, what are three types of tape damage that may occur?
Last Answer : Oxide shedding, layer-to-layer sticking, and tape deformation.
Description : What is an advantage of using a resistance soldering iron when soldering wire to a connector?
Last Answer : The soldering tips are hot only during the brief period of soldering the connection, thus minimizing the chance of burning the wire insulation or connector inserts.
Description : Why should wire be stripped 1/32 inch longer than the depth of the solder barrel?
Last Answer : To prevent burning the insulation during the soldering process and to allow the wire to flex easier at a stress point.
Description : Should aluminum wire be cleaned prior to installing an aluminum terminal lug or splice?
Last Answer : No, it is done automatically by the petroleum abrasive compound that comes in the terminal or splices.
Description : Why are the ends of the wire clamped down after a Western Union splice is made?
Last Answer : To prevent damage to the tape insulation.
Description : What tool should be used to strip aluminum wire?
Last Answer : Knife.
Description : What is the preferred method for stripping wire?
Last Answer : By use of a wire-stripping tool
Description : The large surface area of a waveguide greatly reduces what type of loss that is common in two-wire and coaxial lines?
Last Answer : Copper loss.
Description : . Why are coaxial lines more efficient at microwave frequencies than two-wire transmission lines?
Last Answer : The electromagnetic fields are completely confined
Description : What is the purpose of the spring or wire around the leads of a new MOSFET?
Last Answer : To prevent damage from static electricity.
Description : Conduction in which type of semiconductor material is similar to conduction in a copper wire?
Last Answer : N-type material.
Description : What type of PN diode is formed by using a fine metal wire and a section of N-type semiconductor material?
Last Answer : Point-contact.
Description : What safety precaution must you observe when soldering or hot-wire stripping fluoroplastic insulated wire?
Last Answer : Adequate ventilation.
Description : If a wire passes through a connector what portion of the aircraft wire identification number changes?
Last Answer : Wire segment letter.
Description : Where would you find the wire identification system for a specific piece of equipment?
Last Answer : In the technical manual for the equipment
Description : What are the two primary disadvantages of a two-wire open line?
Last Answer : High radiation losses and noise pickup.
Description : Name two of the three described uses of a two-wire open line.
Last Answer : Power lines, rural telephone lines, and telegraph lines
Description : What procedure involves the use of finely braided copper wire to remove solder?
Last Answer : Wicking.
Description : Which wire has the least resistance? Wire A-copper, 1000 circular mils, 6 inches long. Wire B-copper, 2000 circular mils, 11 inches long.
Last Answer : Wire B.
Description : What is the purpose of an order-wire circuit?
Last Answer : For operator-to-operator service messages and frequency changes.
Description : What is the common name for enamel-insulated wire?
Last Answer : Magnet wire.
Description : State two advantages of using aluminum wire for carrying electricity over long distances.
Last Answer : It is light and reduces corona.
Description : List the four factors you should use to select wire for a specified current rating.
Last Answer : Conductor size, the material it is made of the location of the wiren in a circuit, and the type of insulation used.
Description : When using an American Standard Wire Gauge to determine the size of a wire, where should you place the wire in the gauge to get the correct measurement?
Last Answer : In the parallel walled slot not the circular area.
Description : Using table 1-2, determine the resistance of 1,500 feet of AWG 20 wire at 25º C.
Last Answer : 1,000 ft = 10.4 ohms1,500 ft = 1.5 × 0.4 = 15.6 ohms
Description : To radiate power efficiently, a long-wire antenna must have what minimum overall length?
Last Answer : One-half wavelength.
Description : How many voltage outputs are available from a two-phase three-wire alternator?
Last Answer : Three.
Description : What combination of materials is used to patch or build up damaged areas of boards?
Last Answer : Epoxy and fiberglass powder.
Description : What areas of the earth are not normally covered by satellites?
Last Answer : The extreme polar regions
Description : The distributors for residential areas are (a) single phase (b) three-phase three wire (c) three-phase four wire (d) none of the above
Last Answer : (c) three-phase four wire
Description : When Manchester industrialists began selling cloth in India, they put labels with pictures on the cloth bundles. Why did they do so ? Explain. -SST 10th
Last Answer : (i) They used these pictures to advertise their products and to expand their markets. (ii) Images of Indian gods and goddesses regularly appeared on these labels. It was as if the association ... product was being used by kings, or produced under royal command, its quality could not be questioned.
Description : In which plants vascular bundles are closed? -Biology
Last Answer : answer:
Description : Why are the vascular bundles of dicots called open bundles? -Biology
Description : Where are the vascular bundles in a plant? -Biology
Last Answer : The vascular bundles are arranged near the edge of the stem, with the phloem on the outside and the xylem on the inside.
Description : Examples of radial vascular bundles -Biology
Description : Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :-
Last Answer : Bundles of striated muscle fibres called fasciculi are surrounded by a sheath called :- A. Epimysium B. Perimysium C. Exomysium D. Endomysium
Description : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by intrafascicular cambium.
Last Answer : $ Secondary growth occurs in those plants which have closed vascular bundles. ! Cork is produced by ... D. If both As and R are wrong.
Description : $ Biosphere is a closed system ! Closed vascular bundles are having intrafascicular cambium.
Last Answer : $ Biosphere is a closed system ! Closed vascular bundles are having intrafascicular cambium. A. If both As ... wrong D. If both As and R are wrong.
Description : When in plant leaves, chloroplast containing bundle sheath cells surrounds vascular bundles in several layers that anatomy is known as
Last Answer : When in plant leaves, chloroplast containing bundle sheath cells surrounds vascular bundles in several layers that anatomy is known as
Description : Bundles of erectile tissues in penis are
Last Answer : Bundles of erectile tissues in penis are A. Corpus cavernosa B. Corpus spongiosum C. Both D. None
Description : What genes are located in these bundles that are found in the nucleus of most cells are?
Last Answer : Chromosomes
Description : In some cells bundles of form hairlike projections called cilia and flagella that enable cells to move rapidly through liquid?
Last Answer : What is the answer ?