更多"An acceptable means of tightening c"的相关试题:
[单项选择]The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.
A. connecting rod
B. piston rod
C. bearing housing
D. none of the above
[单项选择]The connecting rod is fitted between the crosshead and the crankshaftI t transmits the firing force, and together with the crankshaft converts the （）motion to a （）motion.
A. rotary；reciprocating
B. up and down；fore and aft
C. fore and aft；up and down
D. up and down；rotary
[单项选择]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. clearance
B. crush
C. pitch
D. thrust
[单项选择]The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?（）
A. the connecting rod
B. large end bearing
C. the main bearing
D. the design
[单项选择]Because the top of the connecting rod swings about the pin and changes direction each time the piston reaches mid-stroke, the relative speed between bearing and pin at mid-stroke is zero, （）to a maximum as the piston approaches top or bottom dead center and then （） back to zero again as the piston approaches mid-stroke and the connecting rod changes direction.
A. accelerates；decelerates
B. accelerates；accelerates
C. decelerates；decelerates
D. decelerates；accelerates
[单项选择]（） is fully floating in both connecting rod small end and the piston skirt.
A. The piston rod
B. The cross head pin
C. The gudgeon pin
D. The crank-pin
[单项选择]The small end of the connecting rod is attached to the piston with a （）.
A. crankpin
B. sliding wedge
C. wrist pin
D. torque bashing
[单项选择]A connecting rod in a four-stroke/cycle diesel engine is subject to（）
A. tension load twice each crankshaft revolution
B. compression load during power and compression strokes
C. inertia load once every four crankshaft revolutions
D. bending loads at bottom and top dead center
[单项选择]Which is an acceptable means of correcting high mica between commutator bars?（）
A. undercutting
B. sanding
C. burnishing
D. filing
[单项选择]A common means of connecting shots of anchor chain in the field is to use a（）.
A. sprocket
B. Kenter link
C. swivel
D. end shackle
[单项选择]The correct tightening is obtained by use of （） to measure the extension given to the bolts.
A. pressure gauges
B. stretch gauges
C. thermometers
D. bridge gauges
[单项选择]An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a（）
A. torque wrench
B. monkey wrench
C. pipe wrench
D. slugging wrench
[单项选择]Connecting elements of a mooring system should be fabricated from（）.
A. cast iron
B. forged steel
C. stainless steel
D. cast steel
[单项选择]The connecting rob is fitted between the crosshead and the crankshaftIt transmits the firing force, and together with the crankshaft convert the （） motion to a （） motion.
A. rotary；reciprocating
B. up and down；fore and aft
C. fore and aft；up and down
D. up and down；rotary
[单项选择]For acceptable voice calls, the packet error rate should be no higher than what value?（）
A. 0.1%
B. 1%
C. 2.5%
D. 25%
[单项选择]The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.
A. one-half the SWL of the main towing hawser
B. three-fourths the SWL of the main towing hawser
C. that of the main towing hawser
D. twice that of the main towing hawser
[单项选择]VIT means （）
A. variable injection timing
B. variable inlet tonnage
C. vertical incoming tonnage
D. vertical inlet tank
[单项选择]A line on a weather chart connecting places which have the same barometric pressure is called an（）.
A. isotherm
B. isallobar
C. isobar
D. isotope
[单项选择]A line connecting all possible positions of your vessel at any given time is a（）.
A. longitude line
B. latitude line
C. line of position
D. fix
