WorksheetsQUIZ 2 (TOPIC1 SYMBOL)
Total questions: 15
Worksheet time: 8mins
1. In a Directional Control Valve (DCV) symbol, what does a single square represent?
A. The number of ports
B. A valve switching position
C. The direction of flow
D. The air pressure level
2. How is a "shut-off" or "blocked" position identified within a valve square?
A. An arrow pointing downwards
B. A diagonal line
C. A line drawn at a right angle (T-shape)
D. A dashed vertical line
3. In the designation "3/2-way valve," what does the first number (3) indicate?
A. The number of switching positions
B. The number of ports
C. The maximum pressure in bar
D. The number of internal springs
4. Which symbol is used to represent a manually operated "Pushbutton" actuation?
A. A small circle
B. A mushroom-shaped or hemispherical cap
C. A lever with a ball
D. A zigzag line
5. A valve that is actuated by a "Mechanical Roller" is identified by which symbol?
A triangle
B. A small circle at the end of an actuation line
C. A foot pedal symbol
D. A rectangle with a diagonal slash
6. What distinguishes the symbol of a "Single-acting cylinder" from a "Double-acting cylinder"?
A. It has two supply ports
B. It has an adjustable cushioning arrow
C. It contains a built-in return spring (zigzag line)
D. It is represented by a circle
7. Which component is represented by a diamond-shaped symbol with a vertical dashed line in the middle?
A. Lubricator
B. Pressure Regulator
C. Filter
D. Air Reservoir
8. In a Service Unit (FRL) symbol, a diamond with a small "drop" at the bottom represents a:
A. Water separator
B. Lubricator
C. Silencer
D. Filter
9. The "Shuttle Valve," which is used for "OR" logic operations, is identified by a symbol containing:
A. A spring-loaded cone
B. A small ball and two seats
C. A diagonal arrow
D. A dashed square
10. Which valve symbol represents a logic "AND" operation, where flow only occurs if both inputs are pressurized?
A. Dual-pressure valve
B. Check valve
C. One-way flow control valve
D. Quick exhaust valve
A "Direct Pneumatic Actuation" is represented by which symbol attached to the valve square
A. A solid black triangle
B. A small hollow triangle pointing inwards
C. A spring symbol
D. A roller symbol
12. Which auxiliary symbol consists of a rectangle with vertical lines, typically used to reduce exhaust noise?
A. Pressure gauge
B. Silencer
C. Visual indicator
D. Air dryer
How is a "One-way flow control valve" symbolized?
A. A throttle valve in parallel with a check valve
B. A simple square with one arrow
C. A circle with a triangle
D. A diamond with a spring
14. The technical symbol for an "Air Reservoir" (Air Receiver) is:
A. A square with a T-junction
B. An elongated oval with a T-junction
C. A triangle pointing upwards
D. A circle with a cross inside
What does a diagonal arrow placed across a cylinder's piston or a flow control valve indicate?
A. The component is non-functional
B. The component is adjustable
C. The component is operated by a solenoid
D. High-pressure warning
