Test Your knowledge on Valves – Online Quiz

A valve is a device or natural object that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways. Valves find variety of application in Oil & gas, Chemical and Petrochemicals, Power and Water industry along with wide application in other industries like Pulp & Paper, Food, Pharma etc. This quiz module gives outline on various valve types, standards, application and selection of valves, design and testing standards related to valves.

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1.
Preferred Valve for fully open or fully closed service with Low Pressure drop is

A. Gate Valve

B. Globe Valve

C. Ball Valve

D. Diaphragm valve

2.
The Purpose of gate valve bypass is

A. To delay filling of Pipelines

B. For pressure balancing and to reduce the torque requirement

C. To avoid stagnation

D. All of the above

3.
For Natural gas lines to allow Pig operation, which one is preferred

A. Globe Valve

B. Through Conduit Gate Valve

C. Ball valve

D. Angle Valve

4.
The valve ideal for throttling the flow in the pipeline is

A. Gate Valve

B. Globe Valve

C. Ball Valve

D. Diaphragm valve

5.
Valve well suited for suspended solids application is

A. Gate Valve

B. Globe Valve

C. Ball Valve

D. Plug valve

6.
Which one of the following is not a quarter turn type of valve?

A. Plug Valve

B. Ball Valve

C. Butterfly Valve

D. Globe valve

7.
Which one of the following doesn’t have Linear motion

A. Gate Valve

B. Globe Valve

C. Diaphragm Valve

D. Swing Check Valve

8.
Which one of the following valve is Quick to Close?

A. Gate Valve

B. Globe Valve

C. Ball Valve

D. Diaphragm Valve

9.
Valve which has very less pressure drop is

A. Plug Valve

B. Gate Valve

C. Butterfly Valve

D. Globe valve

10.
Preferred valve for precise flow control

A. Gate Valve

B. Globe Valve

C. Needle Valve

D. Ball Valve

11.
Check Valves are used for

A. Fully Open/ Fully Close Application

B. Throttling Application

C. One Direction Flow

D. All of the Above

12.
In Angle Valve Inlet and Outlet are located……………..to each other

A. 30°

B. 45°

C. 90°

D. 180°

13.
The following valve is used in Suction lift pumps

A. Plug Valve

B. Butterfly Valve

C. Angle Valve

D. Foot Valve

14.
Valve preferred for Boiler Feed water drain application

A. Plug Valve

B. Butterfly Valve

C. Angle Valve

D. Check Valve

15.
Pressure Seal bonnet valves are used in

A. High temperature & High pressure Boiler feed water Application

B. Transportation of Hydrogen

C. Cryogenic Application

D. All of the above

16.
The following valve is also known as Swing Type Valve

A. Plug Valve

B. Butterfly Valve

C. Angle Valve

D. Foot Valve

17.
Foot Valves are used for

A. Avoiding the flow reversal in pump

B. To keep the pump in priming condition

C. Prevent foreign particle entry to pump

D. All of the above

18.
Match the Following

a) API 607 1. Valve Inspection and Testing
b) API 600 2. Fire Test for Quarter-turn Valves and Valves Equipped with Non-Metallic Seats
c) API 623 3. Steel Gate Valves - Flanged and Butt-welding Ends, Bolted Bonnets
d) API 598 4. Steel Globe Valves—Flanged and Butt-welding Ends, Bolted Bonnets

A. a-1,b-2,c-3,d-4

B. a-2,b-3,c-4,d-1

C. a-3,b-4,c-1,d-2

D. a-4,b-1,c-2,d-3

19.
Dual plate check valve prevents water hammer.

A. True

B. False

20.
Suitable valve type for Lime Slurry application is

A. Gate Valve

B. Pinch Valve

C. Angle Valve

D. Foot Valve

21.
Cavity Pressure relieving system is used to

A. Relieve the pressure generated by trapped fluid in cavity

B. Relieve the pressure during valve open condition

C. All of the above

D. None of the above

22.
Trim number specifies the material of the following valve part(s)

A. Seat

B. Disc

C. Stem

D. All of the above

E. None of the above

23.
In Custody transfer application of Oil pipeline, the preferred valve is

A. Ball Valve

B. Globe Valve

C. Angle Valve

D. Double Block and Bleed Valve

24.
OS & Y valves are also called as

A. Rising Stem Gate valve

B. Non-rising stem gate valve

25.
CSC in the P&ID diagram represents

A. Closed stem

B. Car Seal Closed

C. Check valve

D. Chain Operated Valve

26.
The pumps operated in parallel is normally fitted with

A. Check valve

B. Needle valve

C. Angle valve

D. Diaphragm valve

27.
Float valves are commonly used to

A. Prevent vessel overpressure

B. Prevent tank overflow

C. Prevent Reverse Flow

D. All of the above

28.
Operating effort for opening the valve can be reduced by

A. Reducing the diameter of the hand wheel

B. Increasing the diameter of the hand wheel

C. Operating effort is not related to diameter of the hand wheel

29.
Choose the correct Option

A. An Oversized Check valve results in chattering and undersized check valve create noise & vibration

B. An Oversized Check valve results in noise & vibration and undersized check valve create chattering

30.
Multi port plug valves are used in

A. Throttling Application

B. Shutoff Application

C. Diverting Application

D. Any one of the above

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