fin

If an RSCC student is determined to be guilty of misconduct, the following may result (select all that apply): a. the instructor may assign an "F" or a zero for the exercise b. the instructor may assign an "F" or a zero for the examination c. the instructor may assign an "F" for the course d. the student will be permitted to drop the class in which the academic misconduct occurred e. an administrative hold will be place on the student's grades until the academic misconduct matter is concluded

a. the instructor may assign an "F" or a zero for the exercise b. the instructor may assign an "F" or a zero for the examination c. the instructor may assign an "F" for the course e. an administrative hold will be place on the student's grades until the academic misconduct matter is concluded

Inside a gas turbine, hot gases are produced in the _____ and are directed toward the turbine blades, causing the rotor to move. a. Fuel line b. Combustion chamber c. Stage d. Compressor

b. Combustion chamber

Which of the following is NOT a piece of bag packaging equipment? a. Stretch wrapper b. Fluidized bed dryer c. Valve bag filler d. Palletizer

b. Fluidized bed dryer

Heat exchangers are used to transfer heat between: a. Separation equipment b. Hot and cold streams c. Chemical reactions d. Temperature and pressure

b. Hot and cold streams

What noise can indicate improper draft operation? a. Screeching b. Huffing c. Squealing d. Squeaking

b. Huffing

What is a byproduct of the combustion of fuel at high temperatures or with fuel containing nitrogen (N2) compounds? a. Smoke b. NOx c. SOx d. CO

b. NOx

A volute pump has a housing made in the form of a(n): a. Cylinder b. Spiral c. Cone d. Triangle

b. Spiral

What is the benefit of static mixer elements in tubular or in-line reactors? a. They prevent corrosion b. They increase mixing and turbulence c. They prevent overpressurization d. They protect personnel and equipment

b. They increase mixing and turbulence

What is a flat plate to which the tubes in a heat exchanger are fixed? a. Exchanger head b. Tube sheet c. Shell d. Tube bundle

b. Tube sheet

​A thermal oxidizer would be used to remove: a. Particulates from an air stream. b. Volatile Organic Compounds (VOCs) from an air stream. c. Recycled paper from a plant site. d. Solids from a wastewater stream.

b. Volatile Organic Compounds (VOCs) from an air stream.

Who governs the design and construction standards for atmospheric tanks? a. EPA b. ASME c. API d. OSHA

c. API

What pollution control device converts coal from a solid to a gaseous state before burning to produce electricity? a. Electrostatic precipitators b. Baghouses c. Coal gasification d. Flare systems

c. Coal gasification

What component of an internal combustion engine converts the piston's up-and-down or forward-and-backward motion into rotational motion? a. Connecting rod b. Exhaust port c. Crankshaft d. Camshaft

c. Crankshaft

What type of lifting equipment is a vehicle with elongated prongs (forks) used for lifting and transporting equipment or pallets of product? a. Forklift b. Hoist c. Dolly d. Crane

a. Forklift

What type of valve is a positive shutoff valve that utilizes a gate or guillotine which, when moved between two seats, causes a tight shutoff? a. Gate b. Butterfly c. Check d. Globe

a. Gate

What should be used to reduce the risk of parts fusing together? a. High-quality oil b. Bearings c. Hunting d. Wet steam

a. High-quality oil

Which of the following tests are used to perform a pressure tightness test on a piping system? (Select all that apply.) a. Hydrostatic testing b. Pneumatic testing c. Temperature testing d. Hypertesting

a. Hydrostatic testing b. Pneumatic testing

What type of filter uses a strainer or cartridge to remove particles from the feed stream? a. Mechanical b. Suction c. Gravity d. Vacuum

a. Mechanical

Select the common types of cooling towers (select all that apply). a. Natural Draft b. Induced Draft c. Forced Draft d. Water Free e. Convoluted Draft f. Air Free

a. Natural Draft b. Induced Draft c. Forced Draft

What position will a fail open automatic valve be in when air is removed from its pneumatic actuator? a. Open b. 25% closed c. 50% open d. 25% open e. Closed

a. Open

A(n) __________ crane runs on an elevated runway system along the length of a warehouse and provides three axes of hook motion (up and down, sideways, and back and forth). a. Overhead traveling bridge b. Gantry c. Jib d. Monorail

a. Overhead traveling bridge

Process drawings include (select all that apply): a. Plot plans b. Block flow diagrams c. Process flow diagrams d. System diagrams

a. Plot plans b. Block flow diagrams c. Process flow diagrams

What can cause a loss of pumps and blowers? a. Power outage b. Increased soot deposits c. Formation of scale in the tubes d. Overheating

a. Power outage

What auxiliary equipment prevents overpressurization? a. Pressure controls b. Internal heating and cooling coils c. Reactor shell jacket d. Static mixer elements

a. Pressure controls

What happens to the rate of reaction when pressure is increased? a. Rate of reaction increases. b. Rate of reaction decreases. c. Rate of reaction does not change. d. Reaction does not occur.

a. Rate of reaction increases.

What act establishes a program to manage both hazardous and nonhazardous solid wastes, as well as underground storage tanks? a. Resource Conservation and Recovery Act b. Clean Air Act c. National Ambient Air Quality Standards Act d. National Pollutant Discharge Elimination System Act

a. Resource Conservation and Recovery Act

Which of the flowing are types of check valves? (Select all that apply.) a. Swing b. Lift c. Butterfly d. Gate

a. Swing b. Lift

A centrifuge uses centrifugal force to separate solids from liquids based upon their: a. Color Difference b. Temperature Difference c. Density Difference d. Pressure Difference

c. Density Difference

Which dryer typically has the shortest product exposure time to heat? a. Rotary Drum b. Fluid Bed c. Flash Dryer d. Spray

c. Flash Dryer

Which of the following is one of the most common types of turbines? a. Hydraulic b. Electric c. Gas d. Wind

c. Gas

Which potential problem with electrical distribution and motors is caused by misalignment? a. Equipment failure b. Motor not starting c. High vibration d. High temperatures

c. High vibration

What is a mechanical driver that converts electrical energy into useful mechanical work and provides power for rotating equipment? a. Drivers b. Torque c. Motor d. Engine

c. Motor

Drivers that convert electrical energy into useful mechanical work and provide power for rotating equipment such as pumps, compressors, and conveyor drives are: a. Reactors b. Solids handling equipment c. Motors d. Furnaces

c. Motors

Which of the following hazards can cause flame impingement? a. Loss of boiler feedwater b. Loss of fuel gas or oil c. Poor control of excess air d. Failing to purge the firebox

c. Poor control of excess air

Which of the following hazards can cause flame impingement? a. Bypassing safety interlocks b. Opening furnace inspection ports when the firebox pressure is greater than atmospheric pressure c. Poor control of excess air and poor draft control d. Failure to follow flame safety procedure

c. Poor control of excess air and poor draft control

One purpose of filters is to: a. Add air or other gases to a process stream b. Remove moisture from a process stream c. Remove solid particles from a process stream d. None of the above

c. Remove solid particles from a process stream

​What type of dryers use large, rotating, cylindrical tubes that reduce the moisture content of a material by bringing it into direct contact with a heated gas? a. Fluid bed dryers b. Flash dryers c. Rotary dryers d. Fixed bed dryers

c. Rotary dryers

Fouling in a heat exchanger is: a. An offensive odor generated while the unit is not operating. b. A desirable flow pattern which improves unit efficiency. c. The accumulation of deposits that build up on the internal surfaces. d. An incorrect installation order for plates in a plate and frame unit.

c. The accumulation of deposits that build up on the internal surfaces.

What type of auxiliary equipment generates turbulence and promotes mixing? a. Ejector b. Eductor c. Mixer d. Agitator

d. Agitator

Which of the following is a task that process technicians may have to complete during the maintenance of power transmissions? a. Check the grease supply b. Switch oil filters c. Check oil levels d. All of the above

d. All of the above

What type of pressure storage tank is used to store contents at moderate to high pressures? a. Hemispheroids b. Spheroids c. Spheres d. Bullets

d. Bullets

Which of the following is a general safety tip when using hand tools? a. Modify a tool to do the task you require. b. Overtighten fasteners. c. Use screwdrivers as chisels or gouges. d. Check wooden handles for splinters, cracks, chips, or weathering.

d. Check wooden handles for splinters, cracks, chips, or weathering.

What environmental control measure is a containment device built around a piece of equipment to contain any liquids should the equipment rupture or leak? a. Settling pond b. Landfill c. Sand absorption d. Dike

d. Dike

What type of mixer rotates to combine products? a. Inline mixer b. Agglomerator c. Drum mixer d. Dynamic mixer

d. Dynamic mixer

What type of reactor uses high-velocity fluid to suspend or fluidize solid catalyst particles? a. Fixed bed reactor b. Stirred tank reactor c. Tubular reactor d. Fluidized bed reactor

d. Fluidized bed reactor

What are flat pieces of a material used to make a seal between two piping or equipment connection points? a. Hoses b. Blinds c. Expansion loop d. Gaskets

d. Gaskets

Which of the following is an example of a fixed bed reactor? a. Steam methane reformer reactor b. Sulfuric acid alkylation reactor c. Fluid catalytic cracking reactor d. Hydrotreating reactor

d. Hydrotreating reactor

What does the letter "I" represent in the P&ID tag name of "LIC"? a. Intrinsic b. Internal c. Innovative d. Indicating

d. Indicating

What type of solids handling equipment is a vibratory device attached to the bottom of a bin or silo that is designed to facilitate the smooth discharge of material? a. Flow inducer b. Pneumatic conveyors c. Bucket elevator d. Live bottom

d. Live bottom

​A(n) _____ defines the amount of torque necessary for a motor to overcome the resistance of the machine it drives. a. Watt b. Amp c. Volt d. Load

d. Load

Which of the following hazards can cause a collapse of the tank? a. Putting wrong or off-spec material in a vessel b. Misalignment of pump systems c. Overpressurization d. Pulling a vacuum on a tank while emptying

d. Pulling a vacuum on a tank while emptying

The _____ and temperature of the air determine the amount of heat removed in a standard amount of air. a. Steam b. Heat transfer c. Entrainment d. Relative humidity

d. Relative humidity

What type of compressor would you use in applications where the operating conditions (flow/pressure) vary greatly? a. Reciprocating compressor b. Centrifugal compressor c. Axial compressor d. Rotary compressor

d. Rotary compressor

What type of steam is in equilibrium with water? a. Boiler steam b. Desuperheated steam c. Superheated steam d. Saturated steam

d. Saturated steam

​What do the density and specific gravity affect in pump selection? a. The liquid's viscosity b. Net positive suction head c. The pressure that exists at the suction end of a pump d. The horsepower required by the pump

d. The horsepower required by the pump

When loosening or opening a pipe flange, you should loosen which side first? a. The bottom b. The side facing towards you c. The top d. The side facing away from you

d. The side facing away from you

When does breakthrough occur in a dryer? a. When corrosive materials move downstream b. When moisture is present in the instrument air system c. When upstream equipment causes a problem in the dryer d. When the dryer output contains excessive moisture

d. When the dryer output contains excessive moisture

Name three causes of leakage in valves.

Corrosion (internal or external)​ Vibration​ Wear (external)​

In the RSCC CHET lab, every chemical should be treated as though it were _______.

Dangerous

Name the two major compressor types:

Dynamic​ Positive Displacement​

Increasing the feed pressure to a filter will decrease the flow rate through the filter. True False

False

Industrial furnaces are operated at positive pressure. True False

False

Landfills allow contaminants to leach into the soil to complete their proper decomposition. True False

False

The process of evaporation is less efficient than convection at removing heat. True False

False

When putting a vessel into service, the pressure should be increased quickly to operating pressure. True False

False

​A ______ ________ is used to transfer heat from one substance to another (i.e. cooling a process stream with cooling tower water, heating a process stream with steam).

Heat Exchanger

​A jet pump eductor is designed to be used in the following area(s) (select all that apply): a. Areas that need to be drained b. Areas that might contain high levels of debris c. Areas that might contain combustible fluids d. Areas that need more fluid added to the process

a. Areas that need to be drained b. Areas that might contain high levels of debris c. Areas that might contain combustible fluids

List three things a process technician should look for during the operation and maintenance of heat exchangers.

Leaks​ Abnormal noises​ Abnormal pressure changes

Name two safety concerns when working with material handling equipment:

PPE​ Moving components / entrapment​

What component of a furnace is a wall or vertical partition in the fire chamber of the furnace that is used to deflect the heat? a. Bridgewall b. Shock bank tubes c. Refractory lining d. Purge system

a. Bridgewall

According to Ohm's law, when voltage in an electrical circuit is reduced the corresponding current will _____ when a constant load (resistance) is maintained. a. Decrease b. Increase c. Remain unchanged d. Oscillate

a. Decrease

What prevents water from being blown out of the cooling tower? a. Drift eliminators b. Fill c. Water distribution header d. Louvers

a. Drift eliminators

List three measures, other than treating the NOx generated by those processes, that can be taken to reduce the amount of NOx produced in combustion processes.

Switching to a fuel with a lower nitrogen content​ Flue gas recirculation (FGR)​ Use of low NOx burners​

________ in a pumping system is the measure of a pump's ability to move liquid through the system.

Total head

Equipment vibration on large rotating equipment can be an indication of a potentially serious problem. True False

True

One advantage of a chain over a belt driver is that there is no slippage between chain and sprocket teeth. True False

True

The Reynolds Number is used in fluid mechanics to indicate if a fluid flow in a particular situation will be smooth or turbulent. True False

True

​A trickle valve is a free-hanging flap between two different pressure environments that maintains an air seal inside a flow area. True False

True

​Boilers deliver steam at a desired pressure and temperature that is used throughout the process facility. True False

True

Match the furnace adjustment to its reason to achieve maximum efficiency and lowest emissions. a. Adjust the fuel to the furnace to achieve the correct: b. Adjust the stack damper to achieve the proper: c. Adjust the burner air registers to get the correct: _____ Firebox pressure _____ O2 analyzer reading _____ Balance with the process flow rates

__B___ Firebox pressure __C___ O2 analyzer reading __A___ Balance with the process flow rates

What is one of the most valuable skills a process technician can master? a. Ability to communicate b. Ability to weld small sections of piping c. Ability to conduct process experiments d. Ability to rewire pump motors

a. Ability to communicate

Which of the following types of auxiliary equipment can cause exposure to rotating parts (select all that apply)? a. Agitator b. Eductor c. Centrifuge d. Demister

a. Agitator c. Centrifuge

What solids handling equipment carries material to a process device? a. Feeder b. Screener c. Extruder d. Conveyor

a. Feeder