Apparent wind speed blowing across a vessel under tow can be measured by a(n)().
- Abarometer
- Bwind vane
- Canemometer
- Dthermometer
Apparent wind speed blowing across a vessel under tow can be measured by a(n)().
1、A WIND BLOWS ROUND ANTICLOCKWISE defin
A WIND BLOWS ROUND ANTICLOCKWISE defines().ABacking (of wind)BBeach (to)CVeering (of wind)DMaintaining direction of the wind
2、A current moving across a lock entranc
A current moving across a lock entrance toward the river or toward the dam is called a(n)().AcutoffBoutdraftClockwashDspringpool
3、A apparent B desirable C negative
A apparent B desirable C negativeAD plausible
4、A wind blows round anticlockwise defin
A wind blows round anticlockwise defines().Abacking ( of wind )Bbeach ( to )Cveering ( of wind )Dmaintaining direction of the wind
5、The pressure differential across a die
The pressure differential across a diesel engine lube oil system duplex filter should be checked to ________.Adetermine the need for filter cleaningBmeasure any change in oil viscosityCprevent damage to the filterDdetermine the need for batch filtration
6、The apparent wind’s speed can be zero
The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind().Amust be from dead aheadBspeed must be zeroCmust be from dead asternDmust be on the beam