NOCTI Engineering Final Exam Questions And Answers
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NOCTI Engineering Final Exam Questions And Answers
2024-2025
NOCTI Engineering Final Exam Questions And Answers
2024-2025
How much does one gallon of water weigh? - Answer 8.3 pounds
Nonferrous metals does not contain any - Answer iron
Which of the following is a ferrous metal? - Answer mild steel
Properties of common ______________ materials are divided into the following
categories: physical, mechanical, thermal, electric, and acoustic - Answer solid
Tensile strength is the resistance a metal has to - Answer being pulled apart
A typical form of mechanical stress is - Answer overload
Which of the following tests is nondestructive? - Answer vibration analysis
The ability of a metal to withstand shock loading is known as its - Answer toughness
Steel reinforcing bars are added to concrete to resist the force of - Answer tension
Tungsten is a metal with the physical properties of - Answer high strength and good
electrical conductivity
Which of the following adversely effects the strength of materials? - Answer corrosion
Pneumatic fluid power can deliver linear and ______ forms of motion - Answer rotary
Gauge pressure at sea level is - Answer 0 psi
A coil surrounding an iron core, to which voltage has been applied, is a/an - Answer
electromagnet
Use a ______ to determine hydraulic pressure - Answer pressure gauge
, NOCTI Engineering Final Exam Questions And Answers
2024-2025
A _________ is a pictorial representation of a process, using a variety of symbols
connected by lines and arrows - Answer process flow chart
How many ports are in a two-way valve? - Answer 2
The relationship of force, pressure and piston area in an air cylinder is represented by (
) - Answer force = (pressure) X (area)
When energized, a solenoid actuates upon which of the following? - Answer steel
A solenoid works on the principle of - Answer electromagnetic force
pneumatic directional control valves are, many times, sized for convenience of piping;
however, a more efficient method is to size according to - Answer flow coefficient
An engineer has connected an oscilloscope to measure the output of a standard wall
electrical outlet. The oscilloscope shows a 60 hertz sine wave measuring 120 volts. This
signal is - Answer analog
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 photo detector 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
, NOCTI Engineering Final Exam Questions And Answers
2024-2025
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
Increasing a flowing liquids viscosity or friction, or changing flow direction, will result in -
Answer velocity increase
The formula for force of a hydraulic cylinder is (4 words) - Answer pressure multiplied by
area
If containments block a system, the first place the blockage occurs is in - Answer the
suction side of a systems pump
The speed of a pneumatic cylinder is affected mainly by - Answer compressibility of air
A network interface card (NIC) on a computer is receiving a series of pulses measuring
+5 volts DC then alternating back to 0 volts. The +5 volt signal is referred to as - Answer
high
Compared with hydraulic systems, pneumatic systems provide inexpensive material,
faster operation and - Answer a non-hazardous medium
A photo diode - Answer emits light when a current passes through it
The relationship between gauge and absolute pressure is ( ) - Answer gauge pressure =
(absolute pressure) - (atmospheric pressure)
When installing a new three-way pneumatic valve, a technician, should attach ports A
and B to the - Answer pneumatic cylinder
Typical pressure gauges will read ______ at atmospheric pressures - Answer 0 psi
A _________ switch opens automatically when the current exceeds a predetermined
safety level - Answer limit
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