NOCTI test |ALL Questions and Answers with Solutions | Graded A+

NOCTI test |ALL Questions and Answers with Solutions | Graded A+ How much does one gallon of water weigh? - 8.3 pounds Nonferrous metals does not contain any - iron Which of the following is a ferrous metal? - mild steel Properties of common ______________ materials are divided into the following categories: physical, mechanical, thermal, electric, and acoustic - solid Tensile strength is the resistance a metal has to being pulled apart - A typical form of mechanical stress is - overload Which of the following tests is nondestructive? - vibration analysis The ability of a metal to withstand shock loading is known as its - toughness Steel reinforcing bars are added to concrete to resist the force of - tension Tungsten is a metal with the physical properties of - high strength and good electrical conductivity Which of the following adversely effects the strength of materials? - corrosion Pneumatic fluid power can deliver linear and ______ forms of motion - rotary Gauge pressure at sea level is - 0 psi A coil surrounding an iron core, to which voltage has been applied, is a/an - electromagnet Use a ______ to determine hydraulic pressure - pressure gauge A _________ is a pictorial representation of a process, using a variety of symbols connected by lines and arrows - process flow chart How many ports are in a two-way valve? - 2 The relationship of force, pressure and piston area in an air cylinder is represented by ( ) - force = (pressure) X (area) When energized, a solenoid actuates upon which of the following? - steel A solenoid works on the principle of - electromagnetic force pneumatic directional control valves are, many times, sized for convenience of piping; however, a more efficient method is to size according to - 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 - analog The worst enemy of a pneumatic system is - contamination A specialized schematic used to document industrial control logic systems is a - ladder diagram The flow through a flow control valve will increase with increase with an increased - orifice or throat size In a fluid system, fluid encounters more ______ when it travels long distances - resistance The relationship of force, pressure, and piston area in an air cylinder is represented by - force = pressure x area A photo detector converts light to a/an ____________ signal - electrical Fluid in a hydraulic system is basically - not compressible In fluid resistance systems, resistance is affected by the ______ of the pipe - diameter To determine pressure in a hydraulic system, ________ the total force by the area on which it acts - divide The purpose of a hydraulic system is to - transform mechanical energy into hydraulic energy Atmospheric pressure at sea level is - 14.7 psi Increasing a flowing liquids viscosity or friction, or changing flow direction, will result in - velocity increase The formula for force of a hydraulic cylinder is (4 words) - pressure multiplied by area If containments block a system, the first place the blockage occurs is in - the suction side of a systems pump The speed of a pneumatic cylinder is affected mainly by - 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 - high Compared with hydraulic systems, pneumatic systems provide inexpensive material, faster operation and - a non-hazardous medium A photo diode - emits light when a current passes through it The relationship be