Three 1mF capacitors are connected in parallel, what is the total capacitance of the circuit?
The second shell of an atom has a maximum of how many electrons?
Direct current is undirectional.
What is mixed with oxygen to give the hottest flame?
A resistor, a pure inductor and a pure capacitor are connected in parallel across a 120V, 60 hz supply. The resistor is 47Ω, the inductor is 0.25H and the capacitor is 50µF. What is the current across the inductor (Ixl)?
What is the name of the part of a drill bit which contains the undercut portion between the body and the shank? Usually, size and other details are marked on it.
The closest definition of an "Anode" is which of the following?
The nucleus contains two main particles. Choose them from the answers below.
National Standards Laboratories maintain these standards:
"The unidirectional flow or movement of electric charge carriers ." is the best definition of which of the terms below?
"A collision in which the total kinetic energy of the colliding bodies or particles is not the same after the collision as it was before," is a description of which mathematical term?
A magnetic field has an area of 100cm by 100cm and 4.5kWb of flux. What is the flux density of the field?
"Is the electrode from which a conventional current leaves a polarized electrical device." is the best description of which of the terms below?
"The process in which an electric or electronic device produces heat."" is the best description of which of the terms below?
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In a typical air supply system, the component that remove contaminants which are in vapour form is called
"The ability to relate individual results of measurement to a national standard though an unbroken chain of comparisons" is the definition of
Each orbit of electrons has a maximum number of electrons it can hold. Which orbit number contains a maximum of 32 electrons?
On an analog voltmeter, when the switch is moved to a higher setting, what happens to the loading?
In a typical air supply system, the component that compresses the air pressure to higher than atmospheric is called:
Each orbit of electrons has a maximum number of electrons it can hold. Which orbit number contains a maximum of 18 electrons?
The sixth shell of an atom has a maximum of how many electrons?
In a typical air supply system, the component that stores air and gives capacity storage to the air system is called
The definition for dew point is:
Protons have a positive charge.
Hysteresis can only be calculated.
What is the typical requirement when dealing with instrument air in regards to particle size
The total thread angle for UNC bolts will be?
The desiccant head adsorbes water vapour due to which?
The industrial measurement laboratories reference these standards:
National standards laboratories maintain which standards
A 120V 60Hz supply is connected to a 10K resistor, what is the current flowing through the resistor?
The seventh shell of an atom has a maximum of how many electrons?
In a typical air supply system, the component that removes liquid aerosols and droplets from the air system usually through filter cartridges
"Is an electrode through which conventional current flows into a polarized electrical device." is the best definition of which of the terms below?
Of the answers below, which one is a disadvantage of a double seated globe valve?
What does an atom consist of?
""In the event of compressor failure, it serves as a reservoir to provide a short supply of air" is the best description of?
The first shell of an atom has a maximum of how many electrons?
Air holds more moisture when:
"Used to check and calibrate the accuracy and performance of general laboratory instruments" is the deffinition of
Machines in which successive columns of air are confined within a closed space and elevated to a higher pressure are an example of what type of compressor
Which of the valves below would be used for isolation on each side of a control valve?
In a typical air supply system, the component that removes the heat of compression is called
Protons have a negative charge.
A 120V 60Hz supply is connected to a 10K resistor, what is the power dissipated by the resistor?
"Usually 150% of the total instrument air requirements in size" is the best description of?
Air holds less moisture when:
"To dampen pulsations from the compressors discharge, it acts as a surge tank" is the best description of?
The third shell of an atom has a maximum of how many electrons?
If the iron core of a coil is removed, the time taken for the current to reach its steady state will:
"The point in a fluid stream where the diameter of the stream is the least, and fluid velocity is at its maximum" is the best description of which term below?
The basic set of reference standards used for industrial measurement are refered to as
"Condenses water and oil vapours and cools the condensed air" is the best description of?
The standard unit of conductance is which of the below?
Air holds less moisture when:
Body styles for this type of valve are usually wafer and flangeless.
"Used to check and calibrate general laboratory instruments for accuracy and performance" is the definition of which standard?
Air holds more moisture when:
What is the smallest particle that a compound can be broken down into, and still retain its unique properties?
If it were necessary to operate an 50-300 kPa valve actuator, but you had a 20-80 kPa control signal, the relay used would be?
State the phase relationship between Vxl and Ixl.
What are seals used for?
The International Bureau of Weights and Measures maintains which standards?
When an atom contains the same number of ______ and _______ it is considered neutrally charged
Neutrons have a positive charge.
"Is an encounter between two bodies in which the total kinetic energy of the two bodies after the encounter is equal to their total kinetic energy before the encounter." is a description of which mathematical term?
If the process required that the pressures on two lines had to be maintained at a set different value from one another, which device below would be required
Each orbit of electrons has a maximum number of electrons it can hold. Which orbit number contains a maximum of 8 electrons?
The closest definition of a "Cathode" is which of the below?
In a typical air supply system, the component that usually is the last filter before air distribution which removes particles down to 1 micron in size
The fifth shell of an atom has a maximum of how many electrons?
Name the factor(s) that affect the total opposition to current flow in an AC circuit
Of the answers below, which one is a disadvantage of a 3 way mixing valve?
Single ported, double ported, cage guided, and 3 way body configurations are all classifications of which valve?
"The distance the plug or stem moves in order to go from a full-closed to a full-open position." is the best description of which of the following terms?
What is the typical requirement when dealing with instrument air in regards to oil content
What type of tubing should not be bent?
"Must provide a pressure load of a minimum of greater than 70 kPa necessary at the instruments" is the best description of?
Each orbit of electrons has a maximum number of electrons it can hold. Which orbit number contains a maximum of 2 electrons?
What is the typical requirement when dealing with instrument air in regards to dew point
Machines in which the air is compressed by the mechanical action of rotating, imparting velocity and pressure into the air
In a typical air supply system, the component that removes the condensed liquids from the air system typically through spinning the air by mechanical means
A resistor, a pure inductor and a pure capacitor are connected in parallel across a 120V, 60 hz supply. The resistor is 47Ω, the inductor is 0.25H and the capacitor is 50µF. What is the current across the resistor(Ir)?
Neutrons have a negative charge
Capillary action is designed to do what?
A resistor, a pure inductor and a pure capacitor are connected in parallel across a 120V, 60 hz supply. The resistor is 47Ω, the inductor is 0.25H and the capacitor is 50µF. What is the current of the circuit (It)?
The fourth shell of an atom has a maximum of how many electrons?
The definition for relative humidity is:
"An electrochemical cell that uses a chemical reaction to produce electrical energy." is the best description of which of the terms below?
In a typical air supply system, the component that a piping and fitting system system that delivers air for instrumentation usage