In a single acting, two-stroke/cycle, diesel generator engine, the power impulse in an individual cylinder occurs （）

相似题目

• The purpose of the skirt or trunk in four-stroke cycle engines is to act in a similar manner to a （）.

  A . crosshead B . crown C . piston rod D . connecting rod

  查看最佳答案

• How does the effect known as “bank suction” act on a single-screw vessel proceeding along a narrow channel?（）

  A . It pulls the stern toward the bank B . It heels the vessel toward the bank C . It pushes the entire vessel away from the bank D . It pulls the bow toward the bank

  查看最佳答案

• A single piece（） fitted with bronze rings guides the piston in the cylinder liner.

  A . piston skirt B . piston crown C . guide way D . cross-head

  查看最佳答案

• A single line of position combined with a dead-reckoning position results in a(n)（）.

  A . running fix B . fix C . estimated position D . assumed positio

  查看最佳答案

• A vessel fitted with twin screws is easier in（）than a vessel with single screw.

  A . turning maneuver B . course setting C . position fixing D . regulating speed

  查看最佳答案

• Which storage subsystem can scale in a single image to multiple petabytes of physical disk?（）

  A . XIV system  B . SONAS  C . DS5300  D . DS8700

  查看最佳答案

• With a given load on the cargo hook，tension in a single span topping lift（）.

  A . increases as the boom's angle to the horizontal increases B . is at a maximum when the boom is at a 45° angle to the horizontal C . increases as the boom's angle to the horizontal decreases D . decreases as the boom's angle to the horizontal decrease

  查看最佳答案

• Using more than one label on a single packet is required in what context？（）

  A . MPLS TE B . MPLS VPN C . When CEF switching and Label switching is done D . In all the above circumstance

  查看最佳答案

• In a Cisco SDN， every element in the network acts as a point of defense. Which two best describethe features of Cisco SDN？ （）

  A .  enables automated threat response B .  enables noncompliant device access C .  enables endpoint posture enforcement D .  enables third-party client and server protocol

  查看最佳答案

• The usual number of single-acting pistons used in a variable stroke axial-piston pump is （）.

  A、3 or 5 B、5 or 7 C、7 or 9 D、9 or 11

  查看最佳答案

• Proper lubrication of the main bearing is more easily obtained in a single acting four-stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because （）

  A、a circulating system; a total loss system B、a total loss system; a circulating system C、an opened system; a closed system D、a closed system; an opened system

  查看最佳答案

• Proper lubrication of the main bearings is more easily obtained in a single acting, four-stroke/cycle diesel engine than in a tow-stroke/cycle diesel engine because（）.

  A . The direction of pressure on the journal in four-stroke engine is continuously B . positive feed lubricators are installed on all bearings of four-stroke engine, whereas as a splash feed system is used on tow-stroke engine C . four-stroke engines usually utilize a heavier grade of oil than tow-stroke engines D . Low-stroke engines usually consume less lube oil than four-stroke engine

  查看最佳答案

• A term used to describe the dip in a towline that acts as a shock absorber is（）.

  A . catenary B . step C . shock dip D . bight

  查看最佳答案

• Tensile stress is a result of two forces acting in（）.

  A . opposite directions on the same line，tending to pull the material apart B . opposite directions on the same line，tending to compress the object C . opposite directions along parallel lines D . the same direction along parallel line

  查看最佳答案

• The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）

  A . It forces the bow away from the bank B . It forces the stern away from the bank C . It forces the entire vessel away from the bank D . It heels the vessel toward the bank

  查看最佳答案

• When there is a single word, it should be read in its weak form.

  查看最佳答案

• In “Ticket, Please”, What does Annie’s act on John’s back in a reversal of the traditional position suggest?

  查看最佳答案

• When very angry, few people are able to act in a ____ way.

  查看最佳答案

• Protein from food or a protein supplement acts the same in the body.

  查看最佳答案

• The analysis of a project which investigates the changes in projectvalues based on a change in a single variableis called _____ analysis.

  查看最佳答案

• Read the following sentence: It was a picture of a boa constrictor in the act of swallowing an animal. In this sentence, which word is a gerund?

  查看最佳答案

• Natural selection acts in the form. of variation with a species.

  A．Y B．N C．NG

  查看最佳答案

• Accommodation in a family home providing a single bedroom,breakfast and evening meal will cost around＄80 per week.Alternatively,if you wish to cook for yourself,accommodation in a single room in a family home would be approximately＄50 per week.

  We estimate that,in addition to your tuition fees,you will therefore need＄5,000 a year to cover your accommodation,food,clothing,local travel and incidental expenses. Finally,may I say how pleased we are that you have chosen to come to York to study.Your tutors look forward to meeting you. 寄宿家庭将提供一间卧室、早餐和晚餐，这样的食宿一周的费用大约80美元。如果你愿意自己做饭，______。 ______，除学费外，你还需每年5000美元以支付住宿、食品、服装、当地旅游及其他一些杂费。 最后，非常高兴你能来约克学习。______。

  查看最佳答案

• In a（n） _____ partnership, a single partner runs the business and any number of other partners have little involvement in it（）

  A．general B．limited C．unlimited D．corporation

  查看最佳答案