Industrial maintenance Exam
A gate valve offer is very little resistance to flow went open, so it produces very little
_______ - answer Pressure drop
Gate valve should not be used to ______ - answer Throttle flow
Enough gate valve is likely to be used in which of the following applications - answer
Slurry or waste
Which of the following valves is a rotary action valve? - answer Ball
Which of the following valves is easily adapted to multiport construction - answerPlug
One disadvantage of the globe valve is - answer High head loss
If the taper of the plug goes from wide to narrow from top to bottom, the plug must travel
- answerDown to close , up to open
I needle valve maybe use with an application requires - answerFine adjustment of flow
Relief valves are normally used in liquid services - answerTrue
A swing check valve requires a counter white if used in a ________ application -
answerVertical
Butterfly valves use _____ operators to transmit power of right angles - answerWorm-
gear
The failsafe position for any Automatically actuated valve is closed position -
answerTrue
When choosing one valves the blank Valve exhibits the largest pressure drop -
answerGlobe
If I gave valve has a flow indicated on it, it Is because the gate valve has a -
answerDouble gate
Fittings that are marked capital LH on the outside wall indicate - answerLeft-handed
threads
Mixing rigging hardware of different lifting capacity is OK, as long as the capacity of One
of the hardware items to see the weight of the load - answerFalse
, Be safe working load of a rigging hook is accurate only when the load is suspended
from the _______ of the hook - answerSaddle
OSHA requires that a Hook be replaced if the throat has open _________ percent or
more from its original size - answer15%
I hope that his point loaded can carry about ____ percent of the rated load - answer40%
Slings are attached together using ______. - answershackles
All of the following are true except - answerThe size of the shackle is determined by its
pin size
Tap tolls used With screw in a bowl should have a minimum depth of ______ times the
bolt diameter - answer1 1/2
Which of the following statements about lifting lugs his correct - answerThey are used
primarily for vertical lifts but some are also use for angled list if so designed
Screwed up late clamps are used for vertical lifting of plates only - answerFalse
Two level loads when the legs of a sling or on equal a ______ can be used -
answerEqualizer plate
Custom fabricated spreader and equalizer beam should be tested at _______ percent
of their Rated capacity - answer125
Long loads are supported during lifting operations with - answerspreader beams
One of the slings best suited for situations where load is abrasive, hot, or tends to cut is
a _______ sling - answerMetal mesh
The term D/d ratio Refers to the relationship between the sling and the -
answerDiameter of the service this line is wrapped around
Dredging and other marine work requires ________ slings because they were stand
corrosion better - answerChain
A chain slang should be discarded if any proportion of the chain is worn by _______
percent or more - answer15
Which of the following statements about a compound block and tackle is correct -
answerThe more sheaves the block have, the greater the load
The capacity range of come along is ______ tons - answer1/2 to 6
A gate valve offer is very little resistance to flow went open, so it produces very little
_______ - answer Pressure drop
Gate valve should not be used to ______ - answer Throttle flow
Enough gate valve is likely to be used in which of the following applications - answer
Slurry or waste
Which of the following valves is a rotary action valve? - answer Ball
Which of the following valves is easily adapted to multiport construction - answerPlug
One disadvantage of the globe valve is - answer High head loss
If the taper of the plug goes from wide to narrow from top to bottom, the plug must travel
- answerDown to close , up to open
I needle valve maybe use with an application requires - answerFine adjustment of flow
Relief valves are normally used in liquid services - answerTrue
A swing check valve requires a counter white if used in a ________ application -
answerVertical
Butterfly valves use _____ operators to transmit power of right angles - answerWorm-
gear
The failsafe position for any Automatically actuated valve is closed position -
answerTrue
When choosing one valves the blank Valve exhibits the largest pressure drop -
answerGlobe
If I gave valve has a flow indicated on it, it Is because the gate valve has a -
answerDouble gate
Fittings that are marked capital LH on the outside wall indicate - answerLeft-handed
threads
Mixing rigging hardware of different lifting capacity is OK, as long as the capacity of One
of the hardware items to see the weight of the load - answerFalse
, Be safe working load of a rigging hook is accurate only when the load is suspended
from the _______ of the hook - answerSaddle
OSHA requires that a Hook be replaced if the throat has open _________ percent or
more from its original size - answer15%
I hope that his point loaded can carry about ____ percent of the rated load - answer40%
Slings are attached together using ______. - answershackles
All of the following are true except - answerThe size of the shackle is determined by its
pin size
Tap tolls used With screw in a bowl should have a minimum depth of ______ times the
bolt diameter - answer1 1/2
Which of the following statements about lifting lugs his correct - answerThey are used
primarily for vertical lifts but some are also use for angled list if so designed
Screwed up late clamps are used for vertical lifting of plates only - answerFalse
Two level loads when the legs of a sling or on equal a ______ can be used -
answerEqualizer plate
Custom fabricated spreader and equalizer beam should be tested at _______ percent
of their Rated capacity - answer125
Long loads are supported during lifting operations with - answerspreader beams
One of the slings best suited for situations where load is abrasive, hot, or tends to cut is
a _______ sling - answerMetal mesh
The term D/d ratio Refers to the relationship between the sling and the -
answerDiameter of the service this line is wrapped around
Dredging and other marine work requires ________ slings because they were stand
corrosion better - answerChain
A chain slang should be discarded if any proportion of the chain is worn by _______
percent or more - answer15
Which of the following statements about a compound block and tackle is correct -
answerThe more sheaves the block have, the greater the load
The capacity range of come along is ______ tons - answer1/2 to 6
