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)

How should you signal the crane operator to hoist ________.

A.With forearm vertical and forefinger pointing up,move hand in small horizontal circles

B.With arm extended downwards and forefinger pointing down,move hand in small horizontal circles

C.Extend arm with fingers closed and thumb pointing upward

D.Place both fists in front of body with the thumbs pointing upward


参考答案

更多 “ How should you signal the crane operator to hoist ________.A.With forearm vertical and forefinger pointing up,move hand in small horizontal circlesB.With arm extended downwards and forefinger pointing down,move hand in small horizontal circlesC.Extend arm with fingers closed and thumb pointing upwardD.Place both fists in front of body with the thumbs pointing upward ” 相关考题
考题 On a crane, the boom indicator tells the operator what angle the boom angle is compared to the ______.A.vertical positionB.horizontal positionC.boom stop angleD.minimum radius angle

考题 The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward.This is the signal to ______.A.raise the boomB.raise the hookC.raise the boom and hookD.check the boom stop

考题 How should you signal the crane operator to lower the boom and raise the load ________.A.Extend arm and point finger in the direction to move the boomB.Extend arm with thumb pointing downward and flex fingers in and outC.With forearm vertical and forefinger pointing up,move hand in small horizontal circlesD.With arm extended downwards and forefinger pointing down,move hand in small horizontal circles

考题 How should you signal the crane operator to move slowly ________.A.Use one hand to give any motion signal,and place the other hand motionless in front of the hand giving the motion signaB.Extend arm with the thumb pointing up,and flex the fingers in and out for as long as the load movement is desiredC.First tap your elbow with one hand and then proceed to use regular signalsD.First tap the top of your head with your fist and then proceed to use regular signals

考题 The load chart of a ship crane enables the operator to combine the load radius with boom length to determine the ______.A.Maximum counter weight requiredB.Minimum horsepower requiredC.Hoist rope strengthD.Allowable load

考题 How should you signal the crane operator to lower the boom?______.A.With arm extended and fingers closed, point thumb downwardB.With arm extended downwards and forefinger pointing down, move hand in small horizontal circlesC.Extend arm with the palm down, and hold this position rigidlyD.With hands clasped in front of your body

考题 How should you signal the crane operator to raise the boom?_________.A.Extend arm with the thumb pointing up and flex the fingers in and outB.Place both fists in front of the body with the thumbs pointing upwardC.With forearm vertical and forefinger pointing up,move hand in small horizontal circlesD.Extend arm with fingers closed and point thumb upward

考题 How should you signal the crane operator to stop?______.A.Place both fists in front of your body with thumbs pointing pointing outwardB.With both arms extended out and palms down, move arms back and forthC.Extend arm with the palm down and hold this position rigidlyD.Clasp hands in front of your body

考题 When you hoist national flag, you should hoist it in ()place.A、outstandingB、secretC、A or BD、A+B

考题 单选题How should you signal the crane operator to hoist?().A With foremarm vertical and forefinfer pointing up ,move hand in small horizonal circlesB With arm ertended downwards and forefinger pointing down,move hand in small horizontal creclesC Extend arm with fingers closed and thumb pointing upwardD Place both fists in front of the body with the thumbs pointing outward

考题 单选题How should you signal the crane operator to raise the boom?().A Extend arm with the thumb pointing up and flex the fingers in and outB Place both fists in front of the body with the thumbs pointing upwardC With forearm vertical and forefinger pointing up,move hand in small horizond circlesD Extend arm with the fingers closed and thumb upward

考题 单选题When you hoist national flag, you should hoist it().A quicklyB rapidlyC slowlyD speedily

考题 单选题The signal man assisting a crane operator has his arm extended with his fingers closed and thumb pointing upward. This is the signal to().A raise the boomB raise the hookC raise the boom and hookD check the boom stop

考题 单选题During which condition should the operator of a pedestal crane shutdown operations?()A LightningB High windsC Fire aboardD All of the above

考题 单选题During which condition should the operator of a pedestal crane shutdown operations?()A BunkeringB High windsC Potable water spill on deck

考题 单选题Which action(s) should the operator of a pedestal crane take if crane control is lost?()A Let go of both control levers and return to neutral positionB Press the emergency stopC Notify the mate on watchD All of the above

考题 单选题How should you signal the crane operator to move slowly().A Use one hand to give any motion signal,and place the other hand motionless in front of the hand giving the motion signaB Extend arm with the thumb pointing up,and flex the fingers in and out for as long as the load movement is desiredC First tap your elbow with one hand and then proceed to use regular signalsD First tap the top of your head with your fist and then proceed to use regular signals

考题 单选题How should you signal the crane operator to swing?().A With both arms extended out and palms to down, move arms back and forthB With arm ertended downwards and forefinger pointing down,move hand in small horizontal creclesC Extend arm and point finger in the direction to move boomD Place both fists in front of the body with the thumbs pointing outward

考题 单选题How should you signal the crane operator to lower the boom and raise the load().A Extend arm and point finger in the direction to move the boomB Extend arm with thumb pointing downward and flex fingers in and outC With forearm vertical and forefinger pointing up,move hand in small horizontal circlesD With arm extended downwards and forefinger pointing down,move hand in small horizontal circles

考题 单选题How should you signal the crane operator to stop in an emergency?()A Extend arm with the palm down and hold this position rigidlyB Place clasped hands in front of your bodyC Extend arm and move hand rapidly right and left with the palm downD Place both fists in front of the body with the thumbs pointing outward

考题 单选题How should you signal the crane operator to stop?().A Place both fists in front of the body with the thumbs pointing outwardB With both arms extended out and palms to down, move arms back and forthC Extend arm with the palm down and and hold this position rigidlyD Clasp hands in front of you body

考题 单选题How should you signal the crane operator to hoist().A With forearm vertical and forefinger pointing up,move hand in small horizontal circlesB With arm extended downwards and forefinger pointing down,move hand in small horizontal circlesC Extend arm with fingers closed and thumb pointing upwardD Place both fists in front of body with the thumbs pointing upward

考题 单选题How should you signal the crane operator to use the main hoist?().A Use one hand to give any miotion signal , and place the other hand motionless in front of the hand giving the motion signalB Extend arm with the thumb pointing up , and flex the fingers in and out for as long as the load movement is desiredC First tap your elbow with one hand , and then proceed to use regular signalsD First tap the top of your head with your first , and then proceed to use regular signals

考题 单选题How should you signal the crane operator to dog everthing?().A Place both fists in front of the body with the thumbs pointing outward each otherB Clasp hands in front of your bodyC Extend arm with the palm down and and hold this position rigidlyD Extend arm with the thumb pointing up, and flex the finger s in and out

考题 单选题How should you signal the crane operator to lower the boom and raise the load?().A Extend arm and point finger in the direction to move the boomB Extend arm with the thumb pointing downward and flex fingers in and outC With f rearm vertical and forefinger pointing up,move hand in small horizond circlesD With arm extended downwards and forefinger pointing down,move hand in small horizontal circles

考题 单选题When you hoist national flag, you should hoist it in ()place.A outstandingB secretC A or BD A+B

考题 单选题How should you signal the crane operator to raise the boom and lower the load?().A Extend arm with the palm down and and hold this position rigidlyB Place both fists in front of the body with the thumbs pointing outward each otherC Clasp hands in front of you bodyD Extend arm with the thumb pointing up, and flex the finger s in and out for as long as the load movement is desired