Kurdistan regional government Subject: Workshop
Ministry of Education Stage: 3rd
General Directorate of
Date: 25 / 4 / 2024
institutes and training
Second term Exam Time: 90 minute
Knowledge Institute
Academic Year (2023–2024) Department: Petroleum
Q1/Choose the correct answer (8 mark)
B
① Is the symbol of …….……............
A- Check valve B- Ball valve C-Gate valve D-Choke valve
②The primary purpose of a ……………..is to prevent backflow in the system.
A- Gate valve B-Check valve C- Ball valve D-Choke valve
③………..…………Mostly used in oil and gas production wells to control the flow of well fluids being produced.
A-Choke valve B-Check valve C-Gate valve D- Ball valve
④………………….….Are named for their spherical body shape.
A-Ball valve B- Gate valve C- Globe valve D-Choke valve
⑤……………………..… This contains the tube bundle.
A-Shell B-Front end C-Rear end D- Frame
⑥…………..………..Requires more than 360⁰ turn to open or close the valve fully.
A-Ball valve B-Globe valve C- Choke valve D- Gate valve
⑦……..……………Is a shut off valve that controls the flow of a liquid or gas.
A- Ball valve B-Check valve C- Butterfly valve D-Choke valve
⑧PVC is a …………………….
A- Polyvore chlorite B- Type of plastic C- Type of brass D- Type of steel
Q2/ Define which one is (True) or (False) (2 mark)
①Is the symbol of butterfly valve.
②Heat exchanger is the device used to transfer heat between two fluids.
③When the cracking pressure is higher than upstream pressure the check valve can open.
④Choke valve can open or close by rotating a quarter turn(90 degrees).
1
Q3/ Write the name of only three parts of this ball valve (3 mark)
Q4/ Answer the only one questions ( 2 mark)
①What are only two primary purpose of check valve?
②What are the materials ball valves are made?
Good Luck ........
Awezan Abdulla
Lecturer
2
Answer Workshop
B
Q1/Choose the correct answer
(8 mark)
① Is the symbol of …….……............
A- Check valve B- Ball valve C-Gate valve D-Choke valve
②The primary purpose of a ……………..is to prevent backflow in the system.
A- Gate valve B-Check valve C- Ball valve D-Choke valve
③………..…………Mostly used in oil and gas production wells to control the flow of well fluids being produced.
A-Choke valve B-Check valve C-Gate valve D- Ball valve
④………………….….Are named for their spherical body shape.
A-Ball valve B- Gate valve C- Globe valve D-Choke valve
⑤……………………..… This contains the tube bundle.
A-Shell B-Front end C-Rear end D- Frame
⑥…………..………..Requires more than 360⁰ turn to open or close the valve fully.
A-Ball valve B-Globe valve C- Choke valve D- Gate valve
⑦……..……………Is a shut off valve that controls the flow of a liquid or gas.
A- Ball valve B-Check valve C- Butterfly valve D-Choke valve
⑧PVC is a …………………….
A- Polyvore chlorite B- Type of plastic C- Type of brass D- Type of steel
Q2/ Define which one is (True) or (False) (2 mark)
①Is the symbol of butterfly valve. F
②Heat exchanger is the device used to transfer heat between two fluids. T
③When the cracking pressure is higher than upstream pressure the check valve can open. T
④Choke valve can open or close by rotating a quarter turn(90 degrees). F
3
Q3/ Write the name of only three parts of this ball valve (3 mark)
A-Lever
B-Stem
C-Caver
D-Ball
E-Seat
Q4/ Answer the only one questions ( 2 mark)
①What are only two primary purpose of check valve?
1-Prevent backflow in the system
2-Cheap
3-Effective
4-Easy solutions to potential issue
②What are the materials ball valves are made?
1-PVC(Polyvinyl chloride )
2-Bronze and brass
3-Stainless steel
