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NOCTI ENGINEERING 004 EXAM WITH ALL QUESTIONS AND VERIFIED ANSWERS
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NOCTI ENGINEERING 004 EXAM WITH ALLQUESTIONS AND VERIFIED ANSWERS
How much does a gallon of water weigh? - ANSWER: 8.3 pounds
Nonferrous metals have no iron.
Which of the following is considered a ferrous metal? - Answer: mild steel.
The properties of common ______________ materials are grouped into the
following categories: physical, mechanical, thermal, electric, and acoustic.
Tensile strength refers to a metal's resistance to being pulled apart.
A typical type of mechanical stress is ANSWER overload.
Which of the following tests are nondestructive? - ANSWER vibration analysis.
Toughness describes a metal's capacity to tolerate shock loading.
Steel reinforcing bars are put to concrete to resist the force of ANSWER tension.
Tungsten is a metal having physical qualities such as strong strength and good
electrical conductivity.
Which of the following reduces the strength of materials? - The answer is rusting.
Pneumatic fluid power can deliver linear and rotating forms of motion.
,The gauge pressure at sea level is - ANSWER 0 PSI.
A coil encircling an iron core to which voltage has been applied is an
electromagnet.
Use a pressure gauge to determine hydraulic pressure.
A _________ is a visual representation of a process that uses a multitude of
symbols connected by lines and arrows. - ANSWER process flow chart
How many ports are there in a two-way valve? - ANSWER 2.
The equation () - ANSWER force = (pressure) X (area) represents the relationship
between force, pressure, and piston area in an air cylinder.
When electrified, a solenoid acts on which of the following? - ANSWER Steel
A solenoid operates on the principle of ANSWER electromagnetic force.
Pneumatic directional control. Valves are frequently sized for pipeline
convenience; however, a more effective way is to size them according to the flow
coefficient.
An engineer has connected an oscilloscope to measure the output of a standard wall
electrical outlet. The oscilloscope displays a 60 hertz sine wave at 120 volts. This
signal is called ANSWER analogue.
The worst enemy of a pneumatic system is - ANSWER contamination
, A specialized schematic used to document industrial control logic systems is a -
ANSWER ladder diagram
The flow through a flow control valve will increase with increase with an increased
- ANSWER orifice or throat size
In a fluid system, fluid encounters more ______ when it travels long distances -
ANSWER resistance
The relationship of force, pressure, and piston area in an air cylinder is represented
by - ANSWER force = pressure x area
A photodetector converts light to a/an ____________ signal - ANSWER electrical
Fluid in a hydraulic system is basically - ANSWER not compressible
In fluid resistance systems, resistance is affected by the ______ of the pipe -
ANSWER diameter
To determine pressure in a hydraulic system, ________ the total force by the area
on which it acts - ANSWER divide
The purpose of a hydraulic system is to - ANSWER transform mechanical energy
into hydraulic energy
Atmospheric pressure at sea level is - ANSWER 14.7 psi
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