An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of （）. -题库考试答案搜索网

An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of （）.

单选题

2022-01-01 05:45

A、maintaining a steadier speed
B、delivering liquids over greater distances
C、operating for longer periods of time
D、producing a smoother discharge flow

查看答案

正确答案

D

试题解析

标签：船舶辅助机械

感兴趣题目

One of the advantages in the use of a dry liner over a wet liner is（）

A gear pump belongs to （） according to its working principle.

To make sure of getting the full advantage of a favorable current，you should reach an entrance or strait at what time in relation to the predicted time of the favorable current?（）

If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the （）.

An advantage of nylon rope over manila is that nylon rope（）.

What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?（）

Which characteristic is an advantage of Halon as a fire extinguishing medium?（）

Which of the following statements represents an advantage of an electromagnetic clutch?（）

Which of the following statements represents an advantage of an electromagnetic clutch?

The pump has a constant stroke and the amount of fuel delivered is regulated by rotating （） which has a specially arranged helical groove cut into it.

Positive displacement, helical gear pumps are well suited for pumping oil because （）

Positive displacement, helical gear pumps are well suited for pumping oil because

相关题目: Clothing made of man-made fibres has certain advantages over made of natural fibres like cotton ,wool or silk.; Centrifugal pumps have what advantage(s) over reciprocating pumps?（）.; What is an advantage of diesel over steam turbine propulsion? （）; An advantage of DC motors over AC motors is that they （）; An advantage of an ABC dry chemical over a carbon dioxide extinguisher is（）.; The main advantage of a Chinese stopper over the one line stopper is that it（）.; An advantage of nylon rope over manila rope is that nylon rope（）.; An advantage of a dry chemical over a carbon dioxide fire extinguisher is its（）.; What is an advantage of a steam turbine over a diesel for the main propulsion?（）; What is NOT an advantage of the rhumb line track over a great circle track? （）; An advantage of nylon rope over manila rope is that nylon rope（）.; An advantage of an ABC dry chemical over a carbon dioxide extinguisher is（）.; An advantage of a dry chemical over a carbon dioxide fire extinguish is its（）.; What is NOT an advantage of containership operations over conventional break-bulk operations? （）.; An advantage of a helical gear pump over a simple gear pump is that the helical gear pump is capable of （）.; While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.; What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core（）.; The spur geared mooring winches have advantages over worm geared ones in（）; The advantage of a centrifugal pump as compared with a reciprocating pump is that （）.; Which of the following statements represents the advantage of rotary pumps as compared to reciprocating pumps?（）

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧