Mechanical Technologist Grade 1 CWEA
Certification Exam Study Guide 2024
"Authorized Employees" are the ones which might be accepted to
___________________________________________ machines - ANS-Lock out/Tag out
1 gal of water weighs how a lot in lbs? - ANS-eight.34 lbs
1 kilowatt equals how many watts? - ANS-1000 watts
1 psi = ________ feet of water - ANS-2.31 toes of water
1 Thermal Unit is same to ______________ BTU - ANS-a hundred,000 BTU
A 12" diameter pipe, forty eight' lengthy, weighs 35lbs according to linear ft. What is the load of
the entire load? - ANS-1680 lbs/toes
48' * 35lbs = 1680
A a hundred and fifty watt bulb at 110 volts burns for eight hours, what is the strength used? -
ANS-one hundred fifty x 8 = 1200 Watts in eight hours
A one hundred fifty watt, a hundred and twenty volt lamp burns continuously for 8 hours at a
rated voltage. What is the power used in watts/hour? - ANS-1,200 Watts/hour
A 38 tooth equipment at 360rpm is riding a gear at one hundred forty four rpm, what number of
teeth are on the tools that is turning 144rpm? - ANS-ninety five teeth
A bourdon tube in a strain gauge is usually of what layout? - ANS-C-shape
A chemical feed pump is about to deliver 50 GPD. What is the calibrated chemical feed in gpm?
- ANS-50gal/1 day divided with the aid of 24hours = 2.083gal/hour divided by way of 60 mins =
zero.0.5 gpm
A chuck key for s drill press have to be connected to the ____________________________ by
using a quick chain or cable - ANS-the drill press
A automatic renovation control gadget (CMMS) is a form of .... - ANS-tool
,A cyanide destruction technique is designed to deal with 30 lbs of cyanide in keeping with 24
hour operational day. How many lbs of cyanide may be dealt with throughout an 8 hour shift? -
ANS-30 lbs/1 day divided by 24 hours = 1.25lbs/hour multiplied by using 8 hours (1 shift) =
10lbs cyanide in step with shift
A DAFT is an acronym which means......... - ANS-Dissolved Air Flotation Thickener
A fabricated piece of 12-inch diameter pipe, 48 ft lengthy, weighs 35 pounds in step with lineal
foot. What is the load of the overall load? - ANS-1680 lbs
A room is 60' with the aid of 30' toes and the complete room desires new tile. How many square
ft of tile must be ordered? If 1 square foot of tile costs $1.12, how an awful lot would it value to
retile the complete room? - ANS-$2016 for 1800sq toes of tile
A scale on a blueprint suggests 1" = 2". What does this scale imply? - ANS-Each line on the
blueprint is proven as half of of its actual size
A scale on a blueprint suggests 1" = 2" what does this mean? - ANS-Each line at the print this is
proven is half of of the size of what it's miles in real existence
A Sodium hypochlorite tank is complete at 23,000 gallons. It's modern level is at 1,two hundred
gallons. How many gallons will the transport driving force want to feature for you to deliver it to
70% capability? - ANS-14,900 gallons need to be delivered to the tank so as for it to be 70% full
A fashionable metal plate is 4ft x 8ft x 1 inch thick. If metallic weighs 490 lbs/ft^three, what's the
whole weight of this plate? - ANS-1/12 = zero.083
4 x eight x 0.083 = 2.656
2.656 x 490 = 1,301.Forty four lbs
A substance is considered an acid while the ph is ___________ 7 - ANS-below
A tank is 50' in diameter and 20' deep and carries carbon media that is 6' deep. What is the
volume of the carbon media? - ANS-eleven,775 ft^three
A trench 18" huge has sewage flowing at a intensity of two'. If the speed of the sewage is 1.Five
ft per 2d, what is the float in gallons consistent with minute? - ANS-18/12 = 1.5'
1.Five' x 2' x 1.Five'/sec = 4.5ft^3/s
four.5ft^3/s x 60 sec = 270ft^3/min
270ft^3/min x 7.48gal = 2,019.60 gal/min
, A weigh scale makes use of 4 round 5" diameter iron plates 1/4" thick as counterweights, if iron
weighs 490 lbs/ft^3, what's the weight of the plates? - ANS-5.Sixty two lbs
five"/12 = 0.417ft
1/four = 0.25"/12 = zero.021ft
zero.785 x 0.417 x 0.417 x 0.021 = zero.00287ft^three
0.00287ft^three x 490 lbs/feet^three = 1.Forty lbs in keeping with weight
there are four weights = 1.40 x four = 5.Sixty two lbs
AN 8' diameter tank is 20' deep and has 5'4" of water in it, what is the extent of the water? How
a good deal does the water weight in gallons? - ANS-267.Seventy eight feet^three
2002.99 gallons
At what pressure rating need to you use a blower rather than a fan? - ANS-7 psi
At what temperature does water have a specific gravity of one.000? - ANS-four tiers C
CBT Demo Website - ANS-www.Cwea.Org/cbt
Does a sealed ball bearing need to be lubricated? - ANS-It does not need to be lubricated below
normal use
Heavy gadgets are made primarily of what form of metals? - ANS-Iron and metallic
How do you calculate amps? - ANS-Amps = watts / volts
How do you calculate ohms? - ANS-Ohms (R) = volts / amps
How do you calculate watts? - ANS-Watts = amps * volts
How do you store a VOM? What is the proper transfer position to save a VOM? - ANS-Turn it off
within the voltage maximum variety with the transfer inside the off role.
How does a centrifugal pump paintings? - ANS-Moves fluid by means of rotational energy from
rotor drives/impellers. Fluid enters the unexpectedly rotating impeller alongside its axis and is
cast out by centrifugal force along its circumference through the impeller's vein pointers
How does a high-quality displacement pump paintings? - ANS-Pump movements fluid through
time and again enclosing a hard and fast quantity of fluid, with the useful resource of seals or
valves, and moving it automatically (with a piston or a plunger) thru a device
Certification Exam Study Guide 2024
"Authorized Employees" are the ones which might be accepted to
___________________________________________ machines - ANS-Lock out/Tag out
1 gal of water weighs how a lot in lbs? - ANS-eight.34 lbs
1 kilowatt equals how many watts? - ANS-1000 watts
1 psi = ________ feet of water - ANS-2.31 toes of water
1 Thermal Unit is same to ______________ BTU - ANS-a hundred,000 BTU
A 12" diameter pipe, forty eight' lengthy, weighs 35lbs according to linear ft. What is the load of
the entire load? - ANS-1680 lbs/toes
48' * 35lbs = 1680
A a hundred and fifty watt bulb at 110 volts burns for eight hours, what is the strength used? -
ANS-one hundred fifty x 8 = 1200 Watts in eight hours
A one hundred fifty watt, a hundred and twenty volt lamp burns continuously for 8 hours at a
rated voltage. What is the power used in watts/hour? - ANS-1,200 Watts/hour
A 38 tooth equipment at 360rpm is riding a gear at one hundred forty four rpm, what number of
teeth are on the tools that is turning 144rpm? - ANS-ninety five teeth
A bourdon tube in a strain gauge is usually of what layout? - ANS-C-shape
A chemical feed pump is about to deliver 50 GPD. What is the calibrated chemical feed in gpm?
- ANS-50gal/1 day divided with the aid of 24hours = 2.083gal/hour divided by way of 60 mins =
zero.0.5 gpm
A chuck key for s drill press have to be connected to the ____________________________ by
using a quick chain or cable - ANS-the drill press
A automatic renovation control gadget (CMMS) is a form of .... - ANS-tool
,A cyanide destruction technique is designed to deal with 30 lbs of cyanide in keeping with 24
hour operational day. How many lbs of cyanide may be dealt with throughout an 8 hour shift? -
ANS-30 lbs/1 day divided by 24 hours = 1.25lbs/hour multiplied by using 8 hours (1 shift) =
10lbs cyanide in step with shift
A DAFT is an acronym which means......... - ANS-Dissolved Air Flotation Thickener
A fabricated piece of 12-inch diameter pipe, 48 ft lengthy, weighs 35 pounds in step with lineal
foot. What is the load of the overall load? - ANS-1680 lbs
A room is 60' with the aid of 30' toes and the complete room desires new tile. How many square
ft of tile must be ordered? If 1 square foot of tile costs $1.12, how an awful lot would it value to
retile the complete room? - ANS-$2016 for 1800sq toes of tile
A scale on a blueprint suggests 1" = 2". What does this scale imply? - ANS-Each line on the
blueprint is proven as half of of its actual size
A scale on a blueprint suggests 1" = 2" what does this mean? - ANS-Each line at the print this is
proven is half of of the size of what it's miles in real existence
A Sodium hypochlorite tank is complete at 23,000 gallons. It's modern level is at 1,two hundred
gallons. How many gallons will the transport driving force want to feature for you to deliver it to
70% capability? - ANS-14,900 gallons need to be delivered to the tank so as for it to be 70% full
A fashionable metal plate is 4ft x 8ft x 1 inch thick. If metallic weighs 490 lbs/ft^three, what's the
whole weight of this plate? - ANS-1/12 = zero.083
4 x eight x 0.083 = 2.656
2.656 x 490 = 1,301.Forty four lbs
A substance is considered an acid while the ph is ___________ 7 - ANS-below
A tank is 50' in diameter and 20' deep and carries carbon media that is 6' deep. What is the
volume of the carbon media? - ANS-eleven,775 ft^three
A trench 18" huge has sewage flowing at a intensity of two'. If the speed of the sewage is 1.Five
ft per 2d, what is the float in gallons consistent with minute? - ANS-18/12 = 1.5'
1.Five' x 2' x 1.Five'/sec = 4.5ft^3/s
four.5ft^3/s x 60 sec = 270ft^3/min
270ft^3/min x 7.48gal = 2,019.60 gal/min
, A weigh scale makes use of 4 round 5" diameter iron plates 1/4" thick as counterweights, if iron
weighs 490 lbs/ft^3, what's the weight of the plates? - ANS-5.Sixty two lbs
five"/12 = 0.417ft
1/four = 0.25"/12 = zero.021ft
zero.785 x 0.417 x 0.417 x 0.021 = zero.00287ft^three
0.00287ft^three x 490 lbs/feet^three = 1.Forty lbs in keeping with weight
there are four weights = 1.40 x four = 5.Sixty two lbs
AN 8' diameter tank is 20' deep and has 5'4" of water in it, what is the extent of the water? How
a good deal does the water weight in gallons? - ANS-267.Seventy eight feet^three
2002.99 gallons
At what pressure rating need to you use a blower rather than a fan? - ANS-7 psi
At what temperature does water have a specific gravity of one.000? - ANS-four tiers C
CBT Demo Website - ANS-www.Cwea.Org/cbt
Does a sealed ball bearing need to be lubricated? - ANS-It does not need to be lubricated below
normal use
Heavy gadgets are made primarily of what form of metals? - ANS-Iron and metallic
How do you calculate amps? - ANS-Amps = watts / volts
How do you calculate ohms? - ANS-Ohms (R) = volts / amps
How do you calculate watts? - ANS-Watts = amps * volts
How do you store a VOM? What is the proper transfer position to save a VOM? - ANS-Turn it off
within the voltage maximum variety with the transfer inside the off role.
How does a centrifugal pump paintings? - ANS-Moves fluid by means of rotational energy from
rotor drives/impellers. Fluid enters the unexpectedly rotating impeller alongside its axis and is
cast out by centrifugal force along its circumference through the impeller's vein pointers
How does a high-quality displacement pump paintings? - ANS-Pump movements fluid through
time and again enclosing a hard and fast quantity of fluid, with the useful resource of seals or
valves, and moving it automatically (with a piston or a plunger) thru a device
