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which of the following is a type of expansion device?

Expert Answer . Some additional controls to control the capacity of compressor and the space temperature may be required in addition, so as to minimize the energy There are basically four types of valves that are in used. Security devices; RAM memory ; Older expansion cards also included memory expansion cards, clock/calendar cards, hard disk cards, compatibility cards for hardware emulation, and disk controller cards. The evaporation temperature depends on the capacity of the compressor and the characteristics and efficiency of the evaporator. A float type valve opens or closes depending upon the liquid level as sensed by a buoyant member, called as float. The AGP bus was designed specifically for video. Lower efficiency HVAC systems have fixed orifice types. A refrigerant system is operating with a vapor charge txv. Determine whether the following recording devices are random access or ... is not the only type of data storage device capable of randomly accessing its contents, and that the term “RAM” as it is commonly used is something of a misnomer. Metering devices installed by the manufacturer of the HVAC system partially define efficiency of the equipment. and acceleration. There are three types of optical drives: Compact Disc (CD), Digital Versatile Disc (DVD) and Blu-ray Disc (BD). Figure 1: Motherboard Diagram with all components labeled You might also envision different forms of PCs, such as desktop computers, towers and laptops. When they are heated one side of the bimetallic strip will expand more than the second one. Effort required to cycle the device “on” (begin inspiration). IEEE 1284 does not specify serial protocols, such as RS-232 and USB. The term PC has been associated with certain brands, such as Intel processors or Microsoft operating systems. Float valves. Your email address will not be published. What type of lung expansion therapy is physiologically most common? Which of the following is not a type of output device? It's the best way to discover useful content. Following on Altair-8800's debut, Intel began manufacturing expansion slots on a large scale for use in the corporate sector. Microphone, speakers and other digital audio devices. Which of the following is a list of input devices? Which of the following statements are TRUE? B. … Read more. Flooded evaporators use a(n) _____type of expansion device. Welcome to a guide on the types of computer expansion cards and the types of expansion slots. High-side float valves: b) In a capillary tube pressure drop takes place due to fluid friction. In most cases, palate expansion treatment takes 3 to 6 months. A. PCIe B. PCI C. PCI-X D. miniPCI Give your Answers in the Comments. The reverse Automatic expansion valve 2. Types of Expansion Valves. Power element with a feeler bulb, valve seat and needle, and a superheat adjustment spring. Therefore, the expansion device has to make sure that the amount of liquid fed into the expansion zone, will be completely boiled at the end of the evaporator. The expansion slot opening is generally located on the back … to ensure system operation in the event of float failure. Which of the following is a type of internal hard drive used in laptop computers?-SSDs-Magnetic Drives-SSHDs. * The throughput limit is between 128 MiB/s and 250 MiB/s, depending on the volume size. This platform provides access to a … A. 2. To add features to your computer, you can typically add a peripheral card to an existing bus slot. 295431. You must be logged in to read the answer. BIMETALLIC DEVICES: As per the name of this device the temperature is measured by the means of bimetal i.e. In 2005, both PCI and AGP were replaced with PCI Express. SSHDs. 27.Which device allows your computer to talk to other computers over a telephone line as well as access the internet? The density of vapour is less than that of the liquid. External Peripheral Devices Common external peripheral devices include devices like a mouse , keyboard , pen tablet , external hard drive , printer, projector, speakers, webcam, flash drive , media card readers, and microphone. The device tree illustrates the parent/child relationships that are inherent in the PnP environment. A. electrically operated throttling valve B. manually operated valve C. thermostatic valve D. capillary tube E. expansion valve. INTERNAL EXPANSION. When you hear PC, you probably envision an enclosed device with an attached video screen, keyboard and some type of a pointing device, like a mouse or touchpad. Types of Throttling Devices. These are: Hand (manual) expansion valves; Capillary Tubes; Orifice; Constant pressure or Automatic Expansion Valve (AEV) Thermostatic Expansion Valve (TEV) Float type Expansion Valve a) High Side Float Valve b) Low Side Float Valve; Electronic Expansion Valve Depending on the type of HVAC system and the effective efficiency range will depend on the type of metering device. There are basically seven types of refrigerant expansion devices. Expansion slots – provide expansion capability to add hardware components beyond what was originally installed; Ports – provides an interface between the computer and a peripheral device such as a mouse, keyboard, or printer; All of the above components are labeled in Figure 1. Capillary tubes REFRIGERATION AND AIR CONDITIONING 4. By convention, the root device node is drawn at the bottom of the device tree, as shown in the following diagram. In throttling devices the pressure of the refrigerant drops down suddenly and due to this its temperature also reduces drastically. Hence there is a possibility of Which of the following types of computer would you use to support a computer network? In other cases, it is desirable that liquid refrigerant should not enter the compressor. Which of the following best describes the concept of hot-swappable devices? A expansion sound card may improve a computer's audio input. Network interface cards, USB expansion cards, and other internal devices that might plug in to a PCI Express or other type of port, are all types of internal peripherals. The following points are involved along with an in-depth study of each point for B-type Diagnostic Ultrasound Devices Market: Manufacture Analysis – Manufacture of the B-type Diagnostic Ultrasound Devices is analyzed with respect to different applications, types, and regions. A. operating system B. word processor valve and less amount of refrigerant flows into the evaporator to match the This was followed by the AGP bus in 1997. This device works due to the expansion of metals when they are heated. The following table lists common expansion buses in a PC system: Slot Characteristics Peripheral Component Interconnect (PCI) PCI supports a 32- or 64-bit I/O bus providing compatibility with both … Without boring you, the PCI Express type of expansion slot communicates with the motherboard, and therefore with the microprocessor, both quickly and efficiently. load increases, more amount of refrigerant evaporates and condenses. An expansion device is essentially a restriction offering resistance to flow so that pressure drops, resulting in throttling process. the bulb of the TXV is located at Evaporator outlet Author. To add features to your computer, you can typically add a peripheral card to an existing bus slot. E. expansion valve. This card adds memory capabilities to the computer. ISA PCI AGP ATX Question 29: Which IRQ does COM1 commonly use? This expansion shows by the pointer of this device which is calibrated according to the proper temperature range. An expansion device is another basic component of a refrigeration system. It is not a temperature control device and it cannot be adjusted and used to vary evaporator temperature. The function of an expansion valve is shown in Figure 4.1. Lower efficiency HVAC systems have fixed orifice types. A. Volumes smaller than 170 GiB deliver a maximum throughput of 128 MiB/s. Network interface cards, USB expansion cards, and other internal devices that might plug in to a PCI Express or other type of port, are all types of internal peripherals. This device works due to the expansion … D. capillary tube Sometimes, the product to be cooled is such that a constant evaporator temperature has to be maintained. Hard Drive Modem CD-ROM drive RAM Question 28: Which of the following is NOT a type of motherboard expansion slot? Capillary tubes. The following expansion devices are designed to pro- vide automatic control of refrigerant flow: 1. walls. Reduce pressure from condenser pressure to evaporator pressure, and, b. Card Set. The device can be removed with power applied after it is properly stopped in the operating system. Categories IT Exam Answers Tags Which of the following types of expansion slots is MOST frequently found in blade servers? valve. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________? Fn key. Advertisement. 1. FireWire is specified by IEEE 1394. As the name implies, in fixed opening type the flow area remains fixed, while in variable opening type the flow area changes with changing mass flow rates. Check out a sample textbook solution. Float valve; Throttling Devices for Refrigeration Systems. In some practical situations the bimetallic … stored in the low-pressure side (evaporator). valve or the copper tubing that allows the flow of the refrigerant through very small opening also called as the orifice This leads to some pressure drop, and. The basic functions of an expansion device used in refrigeration systems are to: a. RPEs can widen the upper jaw at a rate of 0.5mm per day. Want to see the full answer? consumption. A half-size board is sometimes called an 8-bit board because it can transmit only 8 bits at a time. 3 4 … As a As a result, the refrigerant liquid level in the evaporator or the low-side float 16. two metals inside the temperature sensor. Intel launched their PCI slot as replacement for ISA in 1991. The following table describes the use cases and performance characteristics for each volume type. What are the two types of atelectasis? take care of the increased load and the liquid level is restored. 86. Which of the following laptop features allows users to overcome keyboard size restrictions? These valves are also refer to as metering devices. The four types of charges that the TXV uses to control refrigerant flow are Liquid charge; Cross liquid charge; Vapor charge; Cross vapor charge . Expansion slots (#4) on the motherboard make it possible to connect internal peripherals, such as a video card or sound card (not shown). These are: Of the above seven types, Capillary tube and orifice belong to the fixed opening type, while the rest belong to the variable opening type. Slow palate expansion can also be achieved by widening the upper jaw at a rate of 0.2mm per week. The last main expansion device is the electronic expansion valve. the thermal bulb is sensing a suction line temp that is higher that the temp that allows liquid to be present in the bulb. Types of coding used in AAC devices include the sequencing of numbers, letters (abbreviation expansion, instant messages), words/icons (semantic encoding/Minspeak) and Morse code (dits and dahs). Answer to list the types of cables used to connect the following devices. Leave a comment . The default volume type is General Purpose SSD (gp2). B. manually operated valve systems and normally a by-pass line with a hand-operated expansion is installed Which of the following is a type of internal data storage device found in laptops? In such a case, the mass flow rate has to be controlled in such a manner that only superheated vapour leaves the evaporator. PCI: The PCI slot is the most common form of internal expansion for a PC. d) In a capillary tube pressure drop takes place due to fluid friction . Reference. Thermostatic expansion valve . Expansion Bus Types Expansion slots provide a connection for a number of devices and functions. opening is increased and more amount of refrigerant flows into the evaporator to It contains communication devices such as modem. result, the liquid level in the float chamber rises momentarily. The most common types of throttling devices are capillary tube and thermostatic expansion valves. There are seven main types of expansion devices: Thermal expansion valves (TEVs) Manual valves; Capillary tubes; Automatic valves; Electronic expansion valves There are basically seven types of refrigerant expansion devices. float valves, a high-side float valve can be used with both flooded as well as Again, an ideal refrigeration system should have the facility to control it in such a way that the energy requirement is minimum and the required criterion of temperature and cooling load are satisfied. The name ‘thermostatic-expansion valve’ may give the impression that it is a temperature control device. However, unlike lowside An SCSI controller expansion card allows you to add a port for those devices. process occurs when the load falls, i.e., the float reduces the opening of the It is called that because it's external to the CPU. The word “capillary” is a misnomer since surface tension is not important in refrigeration application of capillary tubes. See solution. • The nodes in a network can have following two relationships: 1. The float could take the form of a hollow metal or plastic ball, a hollow cylinder or a pan. The orifice type expansion is used only in some special applications. It is called that because it's external to the CPU. reverse happens when the load drops. ID. External Peripheral Devices Common external peripheral devices include devices like a mouse , keyboard , pen tablet , external hard drive , printer, projector, speakers, webcam, flash drive , media card readers, and microphone. Download our mobile app and study on-the-go. Valves; Thermostatic Exp. It will select the particular memory address that the device is using and use the address bus to write to that particular address. Valves; Capillary Tubes; Float Valves; Automatic Expansion Valve regulates the flow of refrigerant from the liquid line to the evaporator by using a pressure-actuated diaphragm. It deals with the devices like a hard disk. opens the valve more to allow a higher amount of refrigerant flow to cater to the It was developed in 1974-1975 by IBM Corp. The A capillary tube is a long, narrow tube of constant diameter. The top of a thermostatic expansion valve diaphragm is exposed to ___ which works to close the valve. Metering devices installed by the manufacturer of the HVAC system partially define efficiency of the equipment. C. Care must be taken when swapping the device because it can be hot to the touch. The higher efficiency systems have thermostatic expansion valves. That is, a device designed for Gen-3 PCI Express functions at Gen-2 speeds when connected to a Gen-2 device, a Gen-2 device functions at Gen-1 speeds when connected to a Gen-1 device, and so on. 85. PCI Express: The best type of expansion slot to have in your PC is the PCI Express, also written as PCIe. any additional increases in the evaporator load will _____. Among other improvements, USB 3.0 adds the new transfer rate referred to as SuperSpeed USB (SS) that can transfer data at up to 5 Gbit/s (625 MB/s), which is about 10 times faster than the USB 2.0 standard. Hard Drive Modem CD-ROM drive RAM Question 28: Which of the following is NOT a type of motherboard expansion slot? The standard parallel port only transmits data out of the computer. Generally, between one and seven expansion cards can be installed into the desktop computer system. a) A capillary tube is a variable opening area type expansion device. Go ahead and login, it'll take only a minute. (adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test.

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