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WorksheetsP & H - 2025
Total questions: 83
Worksheet time: 42mins
Name
Class
Date
1.
Low temperature Drying also known as _______
a)
refrigerated
b)
Absorption
c)
Adsorption
d)
Chemical process
2.
Hydraulic device that stores energy in the form of fluid pressure, is known as ______________-.
a)
power pack
b)
accumulator
c)
cylinder
d)
Compressor
3.
The component which converts supply energy into useful work in pneumatics is _____
a)
actuator
b)
add the lubricant in the form of fine mist
c)
control valves
d)
FRL unit
4.
Pressure converter works on both Oil & ____
a)
electricity
b)
Air
c)
water
d)
none of the mentioned
5.
The shutt off valve is also known as ___
a)
OR valve
b)
AND valve
c)
ON-OFF valve
d)
DCV
6.
To reduce the lengthly return stroke of cylinder __________ valve is used.,
a)
OR valve
b)
AND valve
c)
Quick Exhaust Valve
d)
Throttle Valve
7.
Throttle valve is _____ valve.
a)
Bidirectional
b)
AND valve
c)
ON-OFF valve
d)
check valve
8.
Example for fixed displacement pump.
a)
Vane Type
b)
Bent Axis Pump
c)
Axial Piston pump
d)
Gear Pump
9.
A compressor intercooler is located________
a)
after the final stage of compression
b)
between stages of compression
c)
at the compressor inlet
d)
after the air receiver.
10.
In prefect gas law from P1V1 = P2V2
a)
Boyle's
b)
Charle's
c)
Gay Lussac's
d)
General gas
11.
In perfect gas ___law states, V1/T1=V2/T2
a)
Boyle's
b)
Charle's
c)
Gay Lussac's
d)
General gas
12.
To prevent the overheating of a compressor _____ is needed.
a)
Dryer
b)
Cooler
c)
Lubricator
d)
Regulator
13.
The hydraulic actuator which gives rotary motion is ____
a)
SAC
b)
DAC
c)
DCV
d)
MOTOR
14.
As the volume of the gas decreases the pressure ______
a)
Increases
b)
Decreases
c)
constant
d)
unpredictable
15.
which type of compressor offers a continuous pulse free delivery.
a)
Twin Shaft Screw compressor
b)
Diaphragm compressor
c)
Piston compressor
d)
Reciprocating Piston compressor
16.
The compressor preffered for food industries is ______
a)
Flow compressor
b)
Diaphragm compressor
c)
sliding vane compressor
d)
Piston compressor
17.
Compressor has unusual noise because of _______
a)
valve seats works
b)
Dirt in suction filling
c)
broken elements
d)
installation is wrong
18.
The return movement of the piston is effected by a built in spring.the actuator is called ____
a)
Single Acting Cylinder
b)
Double Acting Cylinder
c)
telescopic cylinder
d)
Rodless cylinder
19.
Branch of a science, which deals with the characteristics and properties of fluid, when it is in rest condition is known as ___________.
a)
Pascals Law
b)
Dynamics
c)
Hydro-dynamics
d)
Hydrostatics
20.
The devices which transform pneumatic energy into mechanical rotary movement is ____.
a)
Pneumatic motors
b)
Electric Motor
c)
Hydraulic Pump
d)
Hydraulic Motor
21.
Pressure switches are used to sense __________.
a)
preset or excessive pressure
b)
electrical current
c)
hydraulic pressure
d)
electrical voltage
22.
The integration of pneumatics and electrical control for industrial automation is known as ______________ .
a)
Intensifiers
b)
Electro Pneumatics
c)
Hydro Pneumatics
d)
Accumulators
23.
The combination of Hydraulics and Pneuamatics is known as_____
a)
Intensifiers
b)
Electro Pneumatics
c)
Hydro Pneumatics
d)
Accumulators
24.
The limitation of Electrical power transmission ____________
a)
Impossible to obtain a precise control of actuator velocity
b)
Elements require special treatments to protect them against rust, corrosion, dirt, etc.
c)
Heat dissipation problem
d)
Un even force distribution
25.
Viscosity of liquid ____________ with the increase in temperature.
a)
Not Equal
b)
equal
c)
increases
d)
decreases
26.
Name the Regulation Type:
a)
Shut off Regulation
b)
Exhaust Regulation
c)
On-Off Regulation
d)
Grip arm Regulation
27.
The piston in a DAC can ____by hydraulic power
a)
retract only
b)
extend only
c)
retract and extend
d)
neither retract nor extend
28.
From the listed which pump has a crescent shaped seal ___________
a)
Internal gear pump
b)
external gear pump
c)
Lobe pump
d)
Screw pump
29.
Volumetric flow Q=
a)
p/a
b)
f/A
c)
V.A
d)
p2<p1
30.
On smaller compressors, _________ allow the heat to be removed by radiation.
a)
Water Cooling
b)
Fan Cooling
c)
Air Dryer
d)
Cooling fins
31.
Air Service Unit is also wise Known as________
a)
Actuator
b)
Filter
c)
FRL Unit
d)
Control Valve
32.
Sliding Vane compressor is a type of __________ compressor.
a)
Reciprocating
b)
Flow
c)
Rotary piston
d)
dynamic
33.
Radial flow compressor is an example of _____
a)
Rotary piston
b)
Flow compressor
c)
dynamic
d)
Reciprocating
34.
In adsorption dryers the drying agent is ____________
a)
oil
b)
Flux
c)
Silica gel
d)
dehydrated chalk
35.
The high power pneumatic motors are ____.
a)
Vane Type
b)
Gear
c)
Turbine
d)
piston type
36.
Radial piston motors have _____________
a)
Low speed
b)
High Torque
c)
both A and B
d)
None
37.
Components of Hydro Pneumatic circuits_______
a)
Air-oil reservoir
b)
Hydraulic check unit
c)
Intensifiers
d)
all the above
38.
Identify the symbol given:
a)
SAC
b)
Intensifier
c)
DAC
d)
telescopic cylinder
39.
Magnetically actuated proximity switches are known as ___________.
a)
Reed switches
b)
Limit Switches
c)
pressure Switches
d)
Temperature Switches
40.
Piston force =
a)
Area * Pressure
b)
Load * Speed
c)
Internal Load
d)
external Load
41.
Exhaust regulation is an example for _____ regulation
a)
No load regulation
b)
Low speed regulation
c)
On-Off Reegulation
d)
none
42.
In Air service unit which is optional?
a)
Filter
b)
Lubricator
c)
regulator
d)
none
43.
Which of the following is a self lubricated system?
a)
Electrical
b)
Mechanical
c)
Pneumatics
d)
Hydraulic system
44.
Cylinder which can obtain four positions is known as ____________.
a)
DAC
b)
Multi position cylinder
c)
tandem
d)
impact cylider
45.
Which cylinder have both sides piston rods
a)
DAC
b)
Multi position cylinder
c)
tandem
d)
cylinder with through piston rod
46.
__________ air compressors work by forcing air into a chamber whose volume is reduced to compress the air.
a)
Positve displacement
b)
Negative displacement
c)
both A and B
d)
none
47.
In a 5/2 way Valve, 5 represents
a)
no. of position
b)
no. of application port
c)
no. of ports
d)
no. of Pressure port
48.
In a 3/2 way DC valve the 2 indicates ____.
a)
no. of application port
b)
no. of ports
c)
no. of Pressure port
d)
number of positions
49.
The property of resistance to flow, is called as ______________ .
a)
Density
b)
Pascals law
c)
Viscoscity
d)
Orifice Plate
50.
Hydraulic jack is an application of ____law
a)
Dynamics
b)
Pascals Law
c)
Hydrostatics
d)
Bernoullis priciple
51.
The air filter selection by
a)
Pore size
b)
Pipe size
c)
Contamination
d)
Filter size
52.
High pressure can be obtained from _________compressor
a)
Screw
b)
Piston compressor
c)
Vane compressor
d)
Gear compressor
53.
The high speed pneumatic motor is a ___ type.
a)
Turbine
b)
piston type
c)
Vane Type
d)
Gear
54.
Fluid power system that uses gases as a transmitting force is called
a)
Hydraulic system
b)
Pneumatic system
c)
Electrical system
d)
Electro hydraulic system
55.
The centrifugual compressor is an example for ____type.
a)
negative displacement compressors
b)
Positve displacement
c)
Diaphragm compressor
d)
Piston compressor
56.
The other name of Intensifiers is __________
a)
Boosters
b)
power pack
c)
accumulator
d)
cylinder
57.
The condensate water is drained from the reservoir by ______
a)
Man-hole
b)
Pressure guage
c)
Drain cock
d)
Pressure relif Valve
58.
What device is used to protect against excessive pressure
a)
pressure relief valve
b)
pressure reduce valve
c)
pressure sequence valve
d)
pressure selector valve
59.
The other name of safety valve is __________
a)
Direction control valve
b)
pressure sequence valve
c)
Pressure relif valve
d)
Logical Valve
60.
In Hydraulic gear Motor, One gear is connected to the output shaft and the other is an________________ .
a)
Idler
b)
Prime mover
c)
Driver
d)
Tooth
61.
Pump making noise probable cause ____
a)
wrong direction of pump
b)
relief valve sticking open
c)
misalignment of pump and prime mover
d)
pump pressure too high
62.
The function of pressure regulator is to ___
a)
remove the excessive moisture
b)
remove the dirt
c)
regulate the pressure constant
d)
achieve the more pressure
63.
Linear motion actuator is ____
a)
air motor
b)
rotary cylinder
c)
rotary actuator
d)
Double Acting Cylinder
64.
Identify the Symbol given:
a)
Tandem cylinder
b)
SAC
c)
telescopic cylinder
d)
DAC
65.
When large forces are required and only small cylinder dimensions are possible________ cylinder is used.
a)
Tandem Cylinder
b)
SAC
c)
telescopic cylinder
d)
DAC
66.
The function of air lubricator is to _____
a)
ensure proper lubrication of elements
b)
seperate oil from air
c)
remove excessive lubrications
d)
cool the air
67.
What holds the piston in the retracted position in a SAC
a)
Fluid pressure
b)
static pressure
c)
spring pressure
d)
return pressure
68.
To prevent the sudden impacts on cylinder when large load are moved ,_____is used in cylinder.
a)
cushioning
b)
telescopic
c)
Through rod
d)
Spring return
69.
The Cylinder used for longer strokes__________
a)
SAC
b)
telescopic cylinder
c)
Tandem cylinder
d)
DAC
70.
A quick and simple method to determine the diameter of pipeline, is done by using a ______________.
a)
Nomogram
b)
Threaded connection
c)
Pore size
d)
Contamination
71.
In case of Exhaust regulation ,the compressor operates against a _____
a)
pressure sequence valve
b)
time delay valve
c)
pressure relief valve
d)
2/2 way valve single pilot
72.
The function of air dryers is _____
a)
to remove dirt
b)
to remove moisture
c)
to remove oil contamination
d)
to remove excess ion pressure
73.
Dynamic seals are used:
a)
to seal stationary components
b)
to seal between moving components
c)
only in high-temperature areas
d)
on cylinder cap ends
74.
Identify the symbol given:
a)
Shuttle Valve
b)
Two Pressure Valve
c)
Check Valve
d)
Quick Exhaust Valve
75.
The component which directs the air flow to the actuator is______
a)
actuator
b)
Valves
c)
motor
d)
cylinder
76.
The symbol indicates:
a)
fixed displacement indirection pump
b)
variable displacement indirectiion pump
c)
fixed displacement indirection motor
d)
variable displacement indirection motor
77.
Weight density = ___________
a)
Mass/Volume
b)
Weight/Volume
c)
Liquid/water
d)
1/ρ
78.
The optical proximity sensors are using the property of ___
a)
Light
b)
Weight/Volume
c)
Magnet
d)
Mechanical
79.
The pressure in the reciever and the pipelines is known as____
a)
delivery volume
b)
working pressure
c)
operating pressure
d)
constant pressure
80.
Which of the following is the symbol of Optical proximity sensor?
a)
a
b)
b
c)
c
d)
None
81.
Which of the following is a symbol of Orifice type valve?
a)
a
b)
b
c)
c
d)
none
82.
Which of the following is the symbol of capacitive proximity sensor?
a)
a
b)
b
c)
c
d)
None
83.
Which of the following is a symbol of Flow meter?
a)
a
b)
b
c)
c
d)
d
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