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WorksheetsLXR Unit 6 Module 6.1
Total questions: 55
Worksheet time: 28mins
What is the function of a valve?
Used to start/stop/restrict/control the flow
Used to start/stop the flow
What type of valve requires the hand wheel or motor to complete several revolutions to open or close the valve?
Quater-turn valve
Multi-turn valve
Which of the following are common multi-turn valves use in Saudi plants?
Gate/Globe/Diaphragm
Gate/Globe/Check valve
What type of valve is used for isolation?
Globe valve
Gate valve
What type of valves are classed as control valves?
Globe/Diaphragm valve
Gate/Diaphragm valve
What type of valve is used to start or stop flow and throttle-control amount of flow?
Globe valve
Plug valve
What type of valve operates much faster to close than multi-turn valves?
Self-Actuated valve
Quarter-turn valve
What type of valve permits flow in one direction only?
Non-return/Check valve
Gate/Globe valve
What are relief valves classed as?
Installation devices
Safety devices
What are the function of a unclassified drain valve?
Drain out liquids from a pipeline
Redirect liquids from a pipeline
What is the function of a steam trap?
Remove air and condensate from the system
Remove air and gas from the system
What is the function of a pump?
Compress gasses/air so that it becomes pressurized
Move fluid from 1 place to another
What is the function of a compressor?
Compress gasses/air so that it becomes pressurized
Heat or cool liquids by means of convection
What is the function of a heat exchanger?
Hold/Store liquids and gases
Heat or cool liquids by means of convection
What is the function of a tank/reservoir?
Hold/Store liquids and gases
Used to separate/cut out different products from crude oil
What is the function of a column?
Used to only cut out different products from crude oil
Used to separate/cut out different products from crude oil
What is the function of a vessel?
Has many uses such as mixing, processing and working catalytic reactions
Has many uses such as storing gas under pressure
What type of valve symbol is shown?
Gate valve
Globe valve
What type of valve symbol is shown?
Globe valve
Diaphragm valve
What type of valve symbol is shown?
Diaphragm valve
Butterfly valve
What type of valve symbol is shown?
Globe valve
Butterfly valve
What type of valve symbol is shown?
Ball valve
Control valve
What type of valve symbol is shown?
Plug valve
Hand operated gate valve
What type of valve symbol is shown?
Hand operated gate valve
Control valve
What type of valve symbol is shown?
NRV/Check valve
Flush bottom tank valve
What type of valve symbol is shown?
Safety relief valve
Flush bottom tank valve
What type of valve symbol is shown?
Flush bottom tank valve
Needle valve
What type of valve symbol is shown?
Flush bottom tank valve
Needle valve
What type of symbol is shown?
A. Normally open valve
B. Normally close valve
A. Normally close valve
B. Normally open valve
Identify symbols A & B?
A. Vessel/Drum
B. Spheroid
A. Vessel/Drum
B. Sphere
Identify symbols A & B?
A. Centrifugal pump
B. Strainer
A. Centrifugal pump
B. Inverted bucket trap
Identify symbols A & B?
A. Motor-driven/Gear pump
B. Rotary compressor
A. Rotary compressor
B. Motor-driven/Gear pump
Identify symbols A & B?
A. Reactor/fractionator column
B. Heat exchanger
A. Heat exchanger
B. Reactor/fractionator column
Identify symbols A & B?
A. Floating roof tank
B. Strainer
A. Strainer
B. Floating roof tank
What does the picture represent?
Gate valve
Globe valve
What does the picture represent?
Gate valve
Globe valve
What does the picture represent?
Diaphragm valve
Butterfly,Ball & Plug valve
What does the picture represent?
(Quater turn) Butterfly,Ball & Pinch valve
(Quater turn) Butterfly,Ball & Plug valve
What does the picture represent?
NRV Check valve
Pinch valve
Which of the following valves represent multiturn?
Gate valve
Globe valve
Diaphragm valve
Needle valve
Which of the following are control valves?
Gate valve
Globe valve
Diaphragm valve
What type of valve is represented?
Swing check valve
Ball check valve
What type of valve is represented?
Swing check valve
Ball check valve
What type of valve controls or limits pressure in a system or vessel by opening to vent excess pressure?
Relief (Safety) valve
Ball check valve
Relief valves are......................................if they are damaged or cannot operate, they are .............................with a new valve rather than repaired?
Safety devices
Replaced
Security devices
Repaired
What is represented by the picture?
Piston trap
Strainer
Which of the following are thermodynamic traps?
Piston trap
Tilting disc trap
Lever trap
Float trap
What is represented by the picture?
Piston trap
Bellows trap
What is represented by the picture?
Tilting disc trap
Piston trap
What is represented by the picture?
Float trap
Lever trap
What is represented by the picture?
Float trap
Inverted bucket trap
What are the 2 main classes of pumps?
Positive displacement pump
Centrifugal pump
Piston pump
What are the 2 main classes of positive displacement pumps?
Gear pump
Centrifugal pump
Piston pump
What is the function of a compressor?
Compresses gas/air so that it becomes pressurized to perform various tasks
Compresses only air so that it becomes pressurized to perform various tasks
What is the 3 different types of compressor used in Saudi?
Impeller
Sliding vane
Reciprocating/piston
Gear
