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A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）
- A、Computer vacuum
- B、Plastic tweezers
- C、Canned air
- D、Screwdriver with magnetized tip
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更多 “A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）A、Computer vacuumB、Plastic tweezersC、Canned airD、Screwdriver with magnetized tip” 相关考题
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Business picked up in the stores during December, but () again after Christmas.
A.dropped offB.dropped outC.dropped overD.dropped on
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Users are unable to stay connected to the company‘s wireless network. Several times throughoutthe day the users‘ signals are dropped and they are forced to reconnect to the network.A technician determines the network cabling that supplies the WAP has been run inside with severalpower lines.Which of the following is the MOST likely cause of the network issue?（）A.AshortB.Open pairsC.ESDD.EMI
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Refer to the exhibit. For interface FastEthernet0／0, what will happen to dscp af11 traffic if the queue for class newclass reaches a depth of 40? ()
A. All packets will be dropped.B. One out of ten packets will be dropped.C. A random number of packets will be dropped.D. No packets will be dropped until the queue depth reaches 265.E. Packets will be dropped according to the exponential weight setting.
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When turning a ship in restricted space with a strong wind，it is normally best to ______．A.Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB.Back down with the rudder hard to one side，if on a single-screw vesselC.Take advantage of the tendency to back to port，if on a twin-screw vesselD.Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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A twin-screw ship going ahead on the starboard screw only tends to move ______.A.in a straight lineB.to portC.from side to sideD.to starboard
考题
Which of the following safety procedures is the BEST when lifting heavy equipment onto a repairbench?（）A、The technician should always bend at the waist and lift with their arms.B、The technician should seek assistance from an available customer.C、The technician should always bend at the waist and lift with their back.D、The technician should get assistance from another technician.
考题
Users are unable to stay connected to the company's wireless network. Several times throughout the day the users' signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has been run inside with several power lines. Which of the following is the MOST likely cause of the network issue?（）A、AshortB、Open pairsC、ESDD、EMI
考题
A customer calls in, talking constantly without allowing time for the technician to answer or ask questions. The technician decides to place the customer on hold to work on another issue and misses what the customer’s problem was. When the customer is finished explaining the issue, the technician asks the customer to summarize the problem again, which angers the customer. How could the technician have better handled the situation to avoid such a confrontation?（）A、The technician should have asked the customer to slow down and allow for a response to a few of the matters brought up in discussion.B、The technician should have allowed the customer to finish completely, and then return to the customer’s first point to build a structured discussion.C、The technician should have transferred the call to a supervisor, as the supervisor is better trained to handle such customers.D、The technician should have only asked closed-ended questions so the customer could not elaborate on the issues and the technician could troubleshoot the issue.
考题
A technician is trying to retrieve a screw that fell inside a case and is just out of reach. Which of the following is the BEST procedure to retrieve the screw?（）A、Turn the case upside down, shake gently and let the screw fall out.B、Use a shop vacuum to retrieve the screw.C、Use the hardware abstraction layer (HAL).D、Use an extension magnet.
考题
单选题The boat is stowed on the davit rather than on a cradle with which type of davit?（）A
CrescentB
Sheath-screw boomC
QuadrantalD
Radial
考题
单选题A twin-screw ship going ahead on the starboard screw only tends to move（）.A
in a straight lineB
to portC
from side to sideD
to starboard
考题
单选题A twin-screw vessel is easier to maneuver than a single-screw vessel because the twin-screw vessel（）.A
permits the rudder to move fasterB
generates more powerC
can turn without using her rudderD
can suck the water away from the rudder
考题
单选题A screw pump belongs to （） according to its working principle.A
reciprocating pumpsB
positive displacement pumpsC
centrifugal pumpsD
centripetal pumps
考题
单选题Which of the following safety procedures is the BEST when lifting heavy equipment onto a repairbench?（）A
The technician should always bend at the waist and lift with their arms.B
The technician should seek assistance from an available customer.C
The technician should always bend at the waist and lift with their back.D
The technician should get assistance from another technician.
考题
单选题What will be the result of using the SQL DROP USER SCOTT CASCADE； command？（）A
The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and the objects that are already in the Recycle Bin are dropped.B
The user， Scott， is dropped， all the objects in Scott’s schema are placed in the Recycle Bin， and all the objects in the Recycle Bin， belonging to the user Scott， are not dropped.C
The user， Scott， is dropped， all the objects in the Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin， belonging to the user， Scott， are not dropped.D
The user， Scott， is dropped， all the objects in Scott’s schema are not placed in the Recycle Bin， and the objects in the Recycle Bin are dropped.
考题
单选题While moving ahead，a twin-screw ship has an advantage over a single-screw ship because （）.A
correct trim will be obtained more easilyB
drag effect will be cancelled outC
side forces will be eliminatedD
speed will be increased
考题
单选题In a （） the center screw is driven and the outer screws idle.A
single screw pumpB
double-screw pumpC
triple screw pumpD
centripetal pump
考题
单选题A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?（）.A
If one screw is stopped，the ship will turn toward the side of the stopped screwB
The principal force which turns the ship is set up by the wake against the forward side of the rudderC
Turning response by use of the rudder only is greater than on a single-screw vesselD
With the rudder amidships，the ship will steer a fairly steady course
考题
单选题The cylinder covers and the liners are bolted together by means of studs （） the cylinder frames.A
screwing intoB
being screw onC
to screw onD
screwed into
考题
单选题When start a screw pump, the by pass valve should be （）.A
closedB
opened fullyC
cracked openD
partly open
考题
单选题When turning a ship in restricted space with a strong wind，it is normally best to（）.A
Go ahead on both engines with the rudder hard to one side，if on a twin-screw vesselB
Back down with the rudder hard to one side，if on a single-screw vesselC
Take advantage of the tendency to back to port，if on a twin-screw vesselD
Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
考题
单选题Limit switches are used on which davits?（）A
Sheath-screw davitsB
Gravity davitsC
Radial davitsD
Quadrantal davits
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