MMET 401 FINAL EXAM QUESTIONS
WITH 100% CORRECT ANSWERS |
ALREADY PASSED
A ___ system uses liquid under pressure to create movement. - Answer- hydraulic
Class ___ protective helmets are the most common class of helmets used in
manufacturing, mining, and construction industries. - Answer- G
____ are an eye protection device with special impact-resistant glass or plastic lenses,
reinforced frames, and side shields. - Answer- safety glasses
A ___ is an ear protection device worn over the ears to reduce the level of noise
reaching the eardrum. - Answer- earmuff
___ are an eye protection device with a flexible frame that is secured on the face with
an elastic headband. - Answer- goggles
___ are used to protect a worker's head by resisting penetration and absorbing the blow
of an impact. - Answer- protective helmets
A ____ system uses gas under pressure to create movement. - Answer- pneumatic
An ____ number indicates how many decibels a noise level is reduced by. - Answer-
NRR (noise reduction rating)
___ is the technology of using a fluid to transmit power from one location to another. -
Answer- fluid power
------------------------------Chapter 2----------------------------------- - Answer- fluid power
system principles
____ indicates the rate that work is done. - Answer- Power
If 225 kg of force is exerted on a hydraulic cylinder, it is equal to ___ lb of force. -
Answer- 495
,Pressure is typically measured in psi, bars, and ___. - Answer- kilopascals (kPa)
If a hydraulic cylinder needs to lift a bridge beam that weighs 60000 lb and the piston in
the cylinder has a surface area of 113.10 sq. in, then the hydraulic system must
produce system pressure of ___ psi. - Answer- 530.5
Most pump manufacturers recommend a vacuum rating less than or equal to ___ in Hg.
- Answer- vacuum rating depends on pump design and manufacturer specifications
A ___ consists of a glass tube that is completely filled with mercury and closed on one
end. - Answer- mercury barometer
___ energy is the energy of motion. - Answer- kinetic
A common form of inefficiency in a fluid power system is ___. - Answer- leaks,
resistance to movement of mechanical devices, resistance in pipes and hoses (all of the
above)
___ is anything that changes or tends to change the state of rest or motion of a body. -
Answer- force
Fluid mechanics is comprised of static energy and ___ energy. - Answer- kinetic
Horsepower is a mechanical unit of measure equal to the force required to move 550 lb,
___ ft in ___ sec. - Answer- 1;1
Energy from gears, belts, or pulleys is an example of ___ energy. - Answer- mechanical
The ___ pressure gauge is the most commonly used fluid power pressure gauge in
industry. - Answer- bourdon tube
Most professional certifications for fluid power technicians are valid for up to ____
years, at which time they must be renewed. - Answer- 5
_____ protective helmets protect against impacts at the top of the head only. - Answer-
Type 1
An OSHA-approved hearing conservation program is required whenever workers are
exposed to noise equal to our exceeding an 8 hour time-weighted average (TWA) of
____ decibels. - Answer- 85
____ is clothing and/or equipment worn by a worker to reduce the possibility of an
injury. - Answer- personal protective equipment (PPE)
, ANSI Emergency Eyewash and Shower Equipment, specifies that an emergency
eyewash station must be located within ___ sec or ___ feet of hazards. - Answer- 10;
55
All professional certifications for fluid power technicians are available through the ____.
- Answer- International Fluid Power Society (IFPS)
An ear protection device with an NRR of 33 means that in an area where the noise level
is at 101 dB, the level of noise entering the ear would be at ___ dB. - Answer- 68
____ law states that fluid in a closed system takes shape of the container that it
occupies and exerts pressure equally in all directions. - Answer- Pascal's
____ protective helmets protect against top and side impacts. - Answer- Type 2
___ are an eye and face protection device that covers the entire face with a plastic
shield and is used for protection from flying objects. - Answer- Face shields
Fluid in a closed fluid power system exerts ____ equally in all directions. - Answer-
Pressure
____ system applications consist of equipment used to move light loads that are
typically less than 100 lb. - Answer- pneumatic
___ is the process of attaching a danger tag to the source of power to indicate that the
equipment may not be operated until the tag is removed. - Answer- tagout
___ protective helmets protect against impact hazards and contact with high voltages
up to 20000 V. - Answer- Class E (electrical)
___ is environmentally nonhazardous hydraulic fluid that is composed of synthetic
chemicals and vegetable based oil. - Answer- bio-hydraulic fluid
In an emergency, only ___ may remove a lockout/tagout, and only upon notification of
the authorized person who installed it. - Answer- supervisory personnel
___ pressure is the amount of pressure above the existing atmospheric pressure and is
used to measure pressure inside a closed fluid power system. - Answer- gauge
___ is the useful amount of output energy from a fluid power system compared to the
amount of input energy. - Answer- fluid power system efficiency
____ pressure is equal to the sum of gauge pressure and atmospheric pressure. -
Answer- absolute
Pressure in a hydraulic system is the resistance to ___. - Answer- fluid flow
WITH 100% CORRECT ANSWERS |
ALREADY PASSED
A ___ system uses liquid under pressure to create movement. - Answer- hydraulic
Class ___ protective helmets are the most common class of helmets used in
manufacturing, mining, and construction industries. - Answer- G
____ are an eye protection device with special impact-resistant glass or plastic lenses,
reinforced frames, and side shields. - Answer- safety glasses
A ___ is an ear protection device worn over the ears to reduce the level of noise
reaching the eardrum. - Answer- earmuff
___ are an eye protection device with a flexible frame that is secured on the face with
an elastic headband. - Answer- goggles
___ are used to protect a worker's head by resisting penetration and absorbing the blow
of an impact. - Answer- protective helmets
A ____ system uses gas under pressure to create movement. - Answer- pneumatic
An ____ number indicates how many decibels a noise level is reduced by. - Answer-
NRR (noise reduction rating)
___ is the technology of using a fluid to transmit power from one location to another. -
Answer- fluid power
------------------------------Chapter 2----------------------------------- - Answer- fluid power
system principles
____ indicates the rate that work is done. - Answer- Power
If 225 kg of force is exerted on a hydraulic cylinder, it is equal to ___ lb of force. -
Answer- 495
,Pressure is typically measured in psi, bars, and ___. - Answer- kilopascals (kPa)
If a hydraulic cylinder needs to lift a bridge beam that weighs 60000 lb and the piston in
the cylinder has a surface area of 113.10 sq. in, then the hydraulic system must
produce system pressure of ___ psi. - Answer- 530.5
Most pump manufacturers recommend a vacuum rating less than or equal to ___ in Hg.
- Answer- vacuum rating depends on pump design and manufacturer specifications
A ___ consists of a glass tube that is completely filled with mercury and closed on one
end. - Answer- mercury barometer
___ energy is the energy of motion. - Answer- kinetic
A common form of inefficiency in a fluid power system is ___. - Answer- leaks,
resistance to movement of mechanical devices, resistance in pipes and hoses (all of the
above)
___ is anything that changes or tends to change the state of rest or motion of a body. -
Answer- force
Fluid mechanics is comprised of static energy and ___ energy. - Answer- kinetic
Horsepower is a mechanical unit of measure equal to the force required to move 550 lb,
___ ft in ___ sec. - Answer- 1;1
Energy from gears, belts, or pulleys is an example of ___ energy. - Answer- mechanical
The ___ pressure gauge is the most commonly used fluid power pressure gauge in
industry. - Answer- bourdon tube
Most professional certifications for fluid power technicians are valid for up to ____
years, at which time they must be renewed. - Answer- 5
_____ protective helmets protect against impacts at the top of the head only. - Answer-
Type 1
An OSHA-approved hearing conservation program is required whenever workers are
exposed to noise equal to our exceeding an 8 hour time-weighted average (TWA) of
____ decibels. - Answer- 85
____ is clothing and/or equipment worn by a worker to reduce the possibility of an
injury. - Answer- personal protective equipment (PPE)
, ANSI Emergency Eyewash and Shower Equipment, specifies that an emergency
eyewash station must be located within ___ sec or ___ feet of hazards. - Answer- 10;
55
All professional certifications for fluid power technicians are available through the ____.
- Answer- International Fluid Power Society (IFPS)
An ear protection device with an NRR of 33 means that in an area where the noise level
is at 101 dB, the level of noise entering the ear would be at ___ dB. - Answer- 68
____ law states that fluid in a closed system takes shape of the container that it
occupies and exerts pressure equally in all directions. - Answer- Pascal's
____ protective helmets protect against top and side impacts. - Answer- Type 2
___ are an eye and face protection device that covers the entire face with a plastic
shield and is used for protection from flying objects. - Answer- Face shields
Fluid in a closed fluid power system exerts ____ equally in all directions. - Answer-
Pressure
____ system applications consist of equipment used to move light loads that are
typically less than 100 lb. - Answer- pneumatic
___ is the process of attaching a danger tag to the source of power to indicate that the
equipment may not be operated until the tag is removed. - Answer- tagout
___ protective helmets protect against impact hazards and contact with high voltages
up to 20000 V. - Answer- Class E (electrical)
___ is environmentally nonhazardous hydraulic fluid that is composed of synthetic
chemicals and vegetable based oil. - Answer- bio-hydraulic fluid
In an emergency, only ___ may remove a lockout/tagout, and only upon notification of
the authorized person who installed it. - Answer- supervisory personnel
___ pressure is the amount of pressure above the existing atmospheric pressure and is
used to measure pressure inside a closed fluid power system. - Answer- gauge
___ is the useful amount of output energy from a fluid power system compared to the
amount of input energy. - Answer- fluid power system efficiency
____ pressure is equal to the sum of gauge pressure and atmospheric pressure. -
Answer- absolute
Pressure in a hydraulic system is the resistance to ___. - Answer- fluid flow
