（）is a function of the reactive / resistive characteristics of the load items and cannot be adjusted by manipulating the alternator control devices.

相似题目

• The function of the piston compression rings used in a diesel engine is to （）

  A . seal the space between the piston and liner B . transmit heat from the piston to the cylinder liner C . reduce the amount of combustion gas blow-by D . all of the above

  查看最佳答案

• The function of damper windings in a synchronous motor is to （）.

  A . eliminate slippage B . provide excitation C . provide starting torque D . increase efficiency

  查看最佳答案

• A free press is considered very important to the functioning of parliamentary democracy because（）.

  A . it plays a watchdog function,keeping an eye on the government B . it informs people of current affairs in the world. C . it provides people with subjective reports. D . it publishes short pamphlets for Parliament.

  查看最佳答案

• What is a function of the wearing rings used in most centrifugal pumps?（）

  A . Absorb erosion of high velocity discharge stream B . Seal pump shaft against entry of air C . Isolate the discharge side from the suction side D . Dampen the turbulent discharge flow

  查看最佳答案

• The function of a centrifugal pump double volute casing is to （）.

  A . reduce radial thrust to the impeller B . double the liquid velocity through the pump when compared to a single volute C . reduce hydraulic end thrust D . provide the effect of multi-staging

  查看最佳答案

• The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.

  A . persistence B . pulse repetition rate C . pulse length D . resolutio

  查看最佳答案

• What is NOT a function of the steam drum of a marine water-tube boiler（）.

  A . Receives saturated steam from the generating tubes B . Serves as a reservoir of boiler feed water C . Holds internal fittings for separation of moisture from steam D . Collects steam exhausted from the turbine

  查看最佳答案

• Refer to the exhibit. OSPF is running throughout the network. You want to minimize the propagation of LSAs into and out of A rea 1. Which OSPF feature would best achieve this goal? （）https://assets.asklib.com/images/image2/2018073016161132410.jpg

  A . stub B . totally stubby C . NSSA D . totally NSSA

  查看最佳答案

• The basic functions of a bill of lading is (are)（）.

  A . A．a receipt for the goods which evidences the taking-over or loading by the carrier B . B．an evidence of contract of carriage between the carrier and the shipper. C . C．a document of title to goods. D . D．All of the above.

  查看最佳答案

• A System x client is interested in IBM ToolsCenter Bootable Media Creator but is concerned about functions.Which of the following describes the functions of ToolsCenter Bootable Media ?（）

  A . Update Firmware, Update Drivers, Run Diagnostics, Install Windows  B . Update Firmware, Run Diagnostics, Install Windows, and Linux Operating Systems C . Update Firmware, Run Diagnostics, Install Windows  D . Update Firmware, Update Drivers, Install Window

  查看最佳答案

• What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?（）

  A . It creates a VLAN 999 interface. B . It designates VLAN 999 for untagged traffic. C . It blocks VLAN 999 traffic from passing on the trunk. D . It designates VLAN 999 as the default for all unknown tagged traffic.

  查看最佳答案

• What is NOT a function of the air supply of a covered lifeboat?（）

  A . Provides air for engine combustion B . Pressurizes water spray system C . Provides air for passenger respiration D . Prevents smoke and other noxious fumes from entering craft

  查看最佳答案

• The function of a rectifier is similar to that of a （）.

  A . trap B . regulating valve C . check valve D . filter

  查看最佳答案

• A System x client is interested in IBM ToolsCenter Bootable Media Creator but is concerned about functions Which describes the functions of ToolsCenter Bootable Media of the following？（）

  A . Updatefirmware， update drivers， run diagnostics， install Windows B . Update firmware， run diagnostics， install Windows C . Update firmware， run diagnostics， install Windows， and install Linux D . Update firmware， update drivers， install Windows， and install Linux

  查看最佳答案

• The primary function of a fuel delivery check valve assembly is to（）

  A . deliver proper fuel quantity to the injection nozzle B . provide rapid fuel injection cutoff C . control fuel quantity entering the pump body D . control fuel pressure delivered to the combustion chamber

  查看最佳答案

• The perception of color is a function of the （0.5分）

  查看最佳答案

• Which of the following is NOT the function of conclusion in a speech?

  查看最佳答案

• b. The only function of fat in the body is to act as a source of potential energy.

  查看最佳答案

• What is NOT the advantage of a functional resumé over a chronological one?

  查看最佳答案

• The structure of a material depends on how it is processed, and a material's performance is a function of its properties.（)

  是 否

  查看最佳答案

• Which is the basic functional units of a myofibril?

  actin sarcomere myosin filament

  查看最佳答案

• The chief function of a uniform. is to______.

  A．provide practical benefits to the wearer B．make the wearer catch the public eye C．inspire the wearer's confidence in himself D．provide the wearer with a professional identity

  查看最佳答案

• What is the principal function of a financial system？ ______.

  A．Production and distribution of goods and services B．Providing a means of payment and facilitating the saving and investment process C．Directing the flow of goods and services from producer to consumer D．None of the above

  查看最佳答案

• What is the function of figures in a business according to the passage？

  A．They provide guides for the managers. B．They are policy choices for the managers. C．They lead to the increase in production. D．They determine the profits of a business.

  查看最佳答案

• The primary function of a bank today is______.

  A．to help depositors to make money B．to lend money to borrowers C．to make a reservoir D．to act as intermediary between depositors and borrowers

  查看最佳答案