单选题Compensated flow control or constant flow valves are used in hydraulic systems to()Acompensate for major leaks in the systemBmaintain the original fluid viscosityCallow for changes in pressure and temperature within the systemDassure constant fluid temperature

单选题
Compensated flow control or constant flow valves are used in hydraulic systems to()
A

compensate for major leaks in the system

B

maintain the original fluid viscosity

C

allow for changes in pressure and temperature within the system

D

assure constant fluid temperature


参考解析

解析: 暂无解析

相关考题:

●Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA.There are three commonly used methods for handling network congestion . (73) is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (74) are used by receiving devices to help prevent their buffers from overflowing . (75) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.(71)~(72)A.transmitting devicesB.transmitted devicesC.receiving devicesD.received devices(73)~(75) A.BufferB.Source-quench messagesC.BufferingD.Windowing

You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)A. Congestion avoidanceB. WindowingC. Cut-throughD. BufferingE. Load BalacingF. Fast Forward

Flow control is a function that prevents network congestion by ensuring that(71)do not overwhelm(72)with data. There are three commonly used methods for handling network congestion.(73)is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (74)are used by receiving devices to help prevent their buffers from overflowing.(75)is a flow -control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.A.transmitting devicesB.transmitted devicesC.receiving devicesD.received devices

Flow control is a function that prevents network congestion by ensuring that(66)do not over-whelm(67)with data. There are three commonly used methods for handling network congestion.(68)is used by network devices to temporarily store bursts of excess data in memory until they can be processed.(69)are used by receiving devices to help prevent their buffers from overflowing.(70)is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.A.transmitting devicesB.transmitted devicesC.receiving devicesD.received devices

Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?() A. It ensures that data is retransmitted if an acknowledgment is not received.B. It reassembles segments in the correct order on the destination device.C. It provides a mechanism for the receiver to control the transmission speed.D. It regulates the size of each datagram segment.E. All of the above are functions of flow control

On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?() A. Source Quench.B. Learning.C. Buffering.D. Windowing.E. Cut-Through.

What type of valve is used to direct the flow of hydraulic fluid?A.relief valveB.direction control valveC.stop valveD.pressure control valve

On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?()A、Source Quench.B、Learning.C、Buffering.D、Windowing.E、Cut-Through.

在VRP中,以下哪条命令?用于交换机在链路发生拥塞地避免报文丢失?()A、flow onB、flow-controlC、flow controlD、enable flow-control

以下哪条命令用来设置以太网端口,以保证在链路发生拥塞时缓冲区不会溢出()A、flow onB、flow-controlC、flowcontrolD、enable flow-control

Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?()A、It ensures that data is retransmitted if an acknowledgment is not received.B、It reassembles segments in the correct order on the destination device.C、It provides a mechanism for the receiver to control the transmission speed.D、It regulates the size of each datagram segment.E、All of the above are functions of flow control

在ECAM上会显示那些与发动机燃油系统有关的数据?()A、FUEL FLOW;FUEL FILTERCLOGGING;N1B、FUEL FLOW;FUEL FILTERCLOGGINGC、FUEL FLOW;FUEL USEDD、FUEL FLOW;FUEL USED;N3

单选题What type of valve is used to direct the flow of hydraulic fluid?()ARelief valveBDirection control valveCStop valveDPressure control valve

单选题Which of the following statements concerning butterfly valves is correct?()ASpecial tools are required for lapping or grindingBIt is impossible to throttle flow with a butterfly valveCTo close the valve, it is only necessary to turn the handle a quarter of a turnDThe butterfly valve should never be used in a freshwater system

单选题If the resistance of a circuit is cut in half and the applied voltage is kept constant, the current flow will be ().AdoubledBquadrupledCunchangedDcut in half

多选题On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?()ASource Quench.BLearning.CBuffering.DWindowing.ECut-Through.

单选题The series of valves used to control the return flow in well control operations is called the().Avalve assemblyBstandpipe manifoldCaccumulator manifoldDchoke manifold

单选题Overflow valve is used to ()Acontrol the fluid flow through itBprevent the pressure before it over the specified valveCmake the pressure after it steadyDcontrol the direction of oil flow

单选题Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()Adouble bottom fuel oil tank temperatureBheater supply steam flowCpressure of the fuel supplied to the burnersDattemperator steam flow in the heater discharge circuit

单选题If an emergency pump control is used as the emergency shutdown on a tank vessel,it must().Astop the flow of oil at the main deck manifoldBprevent the oil from leaving the shore facilityCprevent the oil from siphoning through the pumpDNone of the above

单选题The () discharge a nearly constant amount of liquid regardless of pressure.Amixed-flow pumpBaxial-flow pumpCcentrifugal pumpDdisplacement pump

单选题Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the ().Acooling water pumpBnozzle cooling passagesCcylinder jacketsDheat exchanger

单选题If an emergency pump control is used as the emergency shutdown on a tanker,it must().Astop the flow of oil at the main deck manifoldBprevent the oil from leaving the shore facilityCprevent the oil from siphoning through the pumpDNone of the above

单选题In a fixed displacement axial piston hydraulic motor, the speed is varied by()Aregulating the ratio between torque and speed via the torque limiter at the motorBdirecting the motor output flow through a bypass lineCmaintaining a constant flow and pressure inputDcontrolling the input flow rate

单选题Cocks and valves control or interrupt flow, and have internal passages arranged so that they can be restricted or closed: in cocks, by rotating the plug, and in valves, by lowering, raising or rotating a disc in relation to a seating surfaceAccording to the above sentence, which of the following statements is not true?()AFlows of fluids can be restricted by both cocks and valvesBThere are seats in the internal passages of valvesCA disc of valve only moves up and downDWe can infer that there is a bore in cock ping

单选题Under tropical conditions, control valves have fully opened, but the room still hot.What measures can be taken in such a case?()AKeep the plant running all timeBStart another blowerCIncrease the ratio of circulated to fresh airDReduce the seawater flow to the condenser

单选题Network equipment supporting the use of flow control mechanisms has been recently installed. What is the purpose of flow control in a data network?()AIt ensures that data is retransmitted if an acknowledgment is not received.BIt reassembles segments in the correct order on the destination device.CIt provides a mechanism for the receiver to control the transmission speed.DIt regulates the size of each datagram segment.EAll of the above are functions of flow control