网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Connecting rods in a diesel engine are used to connect the （）.
A
engine to the bed
B
rocker arm to the camshaft
C
crankshaft to the gear train
D
piston to the crankshaft
参考答案
参考解析
解析：
暂无解析
更多 “单选题Connecting rods in a diesel engine are used to connect the （）.A engine to the bedB rocker arm to the camshaftC crankshaft to the gear trainD piston to the crankshaft” 相关考题
考题
●Which one of these statements about connecting to the Internet is true? (68) .(68) A．The Internet can only be used to link computers with same operating systemB．The Internet can be used to connect computers with different ISPC．You must have a telephone line to connect to the InternetD．You must have a modem to connect to the Internet
考题
Which one of these statements about connecting to the Internet is true?(68).A．The Internet can only be used to link computers with same operating systemB．The Internet can be used to connect computers with different ISPC．You must have a telephone line to connect to the InternetD．You must have a modem to connect to the Internet
考题
A thrust bearing is used with a propulsion diesel engine to ____.A.control axial movement of the crankshaftB.transmit engine thrust to the propeller shaftC.absorb vibrations in the propeller shaftingD.prevent propeller thrust from being transmitted to the hull
考题
_____ the engines, the diesel engine is ____ used engine on boardA.Between / more commonlyB.Among / the most commonlyC.Between / not more commonlyD.Among / not the most commonly
考题
A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles ofA.waterB.babbittC.iron or steelD.acids
考题
In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .A.all of the oil used by the engine through a filterB.some of the oil used by the engine through a filterC.some of the oil used by the engine through a centrifugeD.all of the oil used by the engine through a centrifuge
考题
A bypass line provided around a waste heat auxiliary boiler in a diesel engine exhaust system, may be used to avoid boiler ______.A.corrosion at low engine loadsB.erosion at high engine loadsC.overload at high engine loadsD.scaling at all exhaust temperatures
考题
A Kort nozzle is a(n) ______.A.hollow tube surrounding the propeller used to improve thrustB.nozzle attached to a firefighting hoseC.intake valve on a diesel engineD.piston cylinder on a diesel engine
考题
单选题The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.A
principleB
principalC
causeD
case
考题
单选题Diesel oil may be used to cool （） of a diesel engine.A
cylindersB
exhaust valvesC
pistonsD
fuel valves
考题
单选题Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed （）.A
clearanceB
crushC
pitchD
thrust
考题
单选题The main moving parts of a diesel engine consist of the （） and the pistons.A
bedplate, connecting rodsB
crankshaft, the connecting rodsC
frames, crossheadsD
crankshaft, the cylinder
考题
单选题The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to （）A
compensate for low oil levelB
increase governor promptnessC
prevent governor huntingD
limit engine load
考题
单选题The opening of an exhaust valve on a modem, large, low-speed, main propulsion diesel engine may be actuated by （）.A
direct action of cam shaftB
compressed air pressureC
hydraulic “push rods”D
direct action of the main piston moving down
考题
单选题Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）A
Decreased connecting rod bearing clearanceB
Increased connecting rod bearing clearanceC
Decreased compression ratioD
Increased compression ratio
考题
单选题A thrust bearing is used with a propulsion diesel engine to （）.A
control axial movement of the crankshaftB
transmit engine thrust to the propeller shaftC
absorb vibrations in the propeller shaftingD
prevent propeller thrust from being transmitted to the hul
考题
单选题Injection lag in a diesel engine may be caused by（）A
a higher cetane number of fuel oilB
the diesel fuel used having a high viscosityC
mechanical rigidity in the lube pump mechanismD
a decrease rigidity in the fuel pump delivery pressure
考题
单选题The gas loads on the engine structure are constrained by means of hydraulically preloaded （） which connect the bed plate, frame sections and cylinder jackets into a single unit.A
connecting rodsB
main bearingC
columnD
tie rods
考题
单选题Bridge gauge can be used to measure （） of a diesel engine.A
diameters of journalsB
deflections of crankwebsC
diameters of crankpinsD
none of the above
考题
单选题（） the engines, the diesel engine is（） used engine on board.A
Between；more commonlyB
Among；the most commonlyC
Between；not more commonlyD
Among；not the most commonly
考题
单选题The lube oil pump used in a diesel engine is a （）.A
volute pumpB
centrifugal pumpC
diaphragm pumpD
gear pump
考题
单选题Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）A
AtomizationB
MeteringC
Effective strokeD
Penetration
考题
单选题Lubricating oil used in a diesel engine serves to（）A
reduce the wear of bearing surfacesB
cool the bearing surfacesC
assist in sealing bearing surfacesD
all of the above
考题
单选题A Kort nozzle is a(n)（）.A
hollow tube surrounding the propeller used to improve thrustB
nozzle attached to a firefighting hoseC
intake valve on a diesel engineD
piston cylinder on a diesel engine
考题
单选题Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.A
cylinder coversB
lubricating spaceC
crossheadD
exhaust manifold
考题
单选题Diesel engine cylinder head test cocks are used to （）A
check cylinder lubricationB
connect the pressure indicator pressureC
test cylinder headsD
connect the exhaust gas pyrometers
热门标签
最新试卷