MECHANICS EXAM WITH 100%
GUARANTEE PASS
** yAn yMOV yburns yout, yyou yreplace yit ybut ycannot yread yvoltage yor yresistance.
yWhat yshould yyou ydo? y- ycorrect yanswers y-Replace yit ywith ya ylarger yone y(630)
* yOn ya yWard-Leonard ycircuit, ythe ybrake yis yset ybut ythe ymotor yis ytrying yto yslip
ythrough ythe ybrake. yWhat ycircuit yis ythe yissue? y- ycorrect yanswers y-Suicide ycircuit
y(425)
** yA yHydro yruns yup ywith yno yload ybut ydoes ynot yrun yup ywith ya yfull yload. yWhat yis
ythe yissue? y- ycorrect yanswers y-The yrelief yvalve yis yset ytoo ylow y(805)
** yYou yneed yto ywork yon ya yfreight ydoor yretiring ycam. yYou yLOTO ythe ymainline
ydisconnect ybut ythere yis ystill ypower yto ythe ycam. yWhat ycircuit yis ystill yhot? y-
ycorrect yanswers y-Mainline ydisconnect y(535)
, ** yThe ycontractor yrequests ythat ythe yvertical ycenter yof ythe yRack yand yPinion yhoist
ybe ymoved. yHow yis ythis yaccomplished? y- ycorrect yanswers y-Adjust yTie ydowns/Wall
yties y(805)
** yThere yis yslight yarcing yat ythe yBrushes yand yCommutator. yWhat yactions ymust ybe
ytaken? y- ycorrect yanswers y-None. y(430)
"Heavy yarcing yis ydue yto ylight ybrush ypressure. yMechanical ywear yindicates yheavy
ybrush ypressure.
** yCar yis yloaded ywith y125% yand ysinks. yWhy? y- ycorrect yanswers y-Slipped
ythrough ythe ybrake.
** yA y300 yOhm yresistor yburns yout. yYou ydon't yhave ya y300 yOhm yresistor yto
yreplace yit. yWhat ycan yyou yuse yto ymake yup ythe yresistor? y- ycorrect yanswers y-2
y600 yOhms yresistors yin yParallel. y"The yresistance yis yhalf yof ythe yhighest yrating yin
ya yparallel ycircuit. y
3, y225 yOhm yresistors yin yparallel yequal y75 yOhms.
** yA y480 yVAC yStep yDown yTransformer yis yconnected yto ya y3 yphase yrectifier.
yWhat ywill ythe youtput ybe? y- ycorrect yanswers y-320 yVDC
480 y- y33.33% y= y320
** yA ycar yweighs y2500 ylbs ywith ya ycapacity yof y2500 ylbs. yThe yCWT yis yweighed yat
y40%. yHow ymuch yis ythe ymotor ylifting yat y100% yload? y- ycorrect yanswers y-1500
ylbs
2500 yx y.40 y= y1000 ylbs
2500 y+ y1000 y= y3500 ylbs
5000 y- y3500 y= y1500 ylbs
** yWhat yis ythe yeffect ywhen yyou ychange ya ysling yangle yfrom y60* yto y30* ywhen
yhoisting yand yrigging? y- ycorrect yanswers y-More ytension, yless ycapacity.
* yWhat yis ythe yconversion yformula ywhen ymeasuring yInch yto yMM? y- ycorrect
yanswers y-25.4 yInch yto yMM y(.03937)
2.54 yInch yto yCM y(.3937)
** yYou yopen ya yDumbwaiter yaccess ypanel yand yit ystill yruns. yWhat yis ythe ycause? y-
ycorrect yanswers y-Pit yAccess yswitch yis ynot yworking. y(550)
** yYou yperform ya ystatic yload ytest ywith ythe ypit yvalve yin ythe yclosed yposition. yThe
ycar ysinks y6" yin y15 yminutes. yWhat yis ythe ycause? y- ycorrect yanswers y-Cylinder
yleak y(520)
** yDuring yconstruction, yyou yland yan yescalator ybut yit yis y10mm yto ylow. yWhat yis
ywrong? y- ycorrect yanswers y-Pit yis ytoo ydeep yor yColumn yMark yis yoff. y(825)
GUARANTEE PASS
** yAn yMOV yburns yout, yyou yreplace yit ybut ycannot yread yvoltage yor yresistance.
yWhat yshould yyou ydo? y- ycorrect yanswers y-Replace yit ywith ya ylarger yone y(630)
* yOn ya yWard-Leonard ycircuit, ythe ybrake yis yset ybut ythe ymotor yis ytrying yto yslip
ythrough ythe ybrake. yWhat ycircuit yis ythe yissue? y- ycorrect yanswers y-Suicide ycircuit
y(425)
** yA yHydro yruns yup ywith yno yload ybut ydoes ynot yrun yup ywith ya yfull yload. yWhat yis
ythe yissue? y- ycorrect yanswers y-The yrelief yvalve yis yset ytoo ylow y(805)
** yYou yneed yto ywork yon ya yfreight ydoor yretiring ycam. yYou yLOTO ythe ymainline
ydisconnect ybut ythere yis ystill ypower yto ythe ycam. yWhat ycircuit yis ystill yhot? y-
ycorrect yanswers y-Mainline ydisconnect y(535)
, ** yThe ycontractor yrequests ythat ythe yvertical ycenter yof ythe yRack yand yPinion yhoist
ybe ymoved. yHow yis ythis yaccomplished? y- ycorrect yanswers y-Adjust yTie ydowns/Wall
yties y(805)
** yThere yis yslight yarcing yat ythe yBrushes yand yCommutator. yWhat yactions ymust ybe
ytaken? y- ycorrect yanswers y-None. y(430)
"Heavy yarcing yis ydue yto ylight ybrush ypressure. yMechanical ywear yindicates yheavy
ybrush ypressure.
** yCar yis yloaded ywith y125% yand ysinks. yWhy? y- ycorrect yanswers y-Slipped
ythrough ythe ybrake.
** yA y300 yOhm yresistor yburns yout. yYou ydon't yhave ya y300 yOhm yresistor yto
yreplace yit. yWhat ycan yyou yuse yto ymake yup ythe yresistor? y- ycorrect yanswers y-2
y600 yOhms yresistors yin yParallel. y"The yresistance yis yhalf yof ythe yhighest yrating yin
ya yparallel ycircuit. y
3, y225 yOhm yresistors yin yparallel yequal y75 yOhms.
** yA y480 yVAC yStep yDown yTransformer yis yconnected yto ya y3 yphase yrectifier.
yWhat ywill ythe youtput ybe? y- ycorrect yanswers y-320 yVDC
480 y- y33.33% y= y320
** yA ycar yweighs y2500 ylbs ywith ya ycapacity yof y2500 ylbs. yThe yCWT yis yweighed yat
y40%. yHow ymuch yis ythe ymotor ylifting yat y100% yload? y- ycorrect yanswers y-1500
ylbs
2500 yx y.40 y= y1000 ylbs
2500 y+ y1000 y= y3500 ylbs
5000 y- y3500 y= y1500 ylbs
** yWhat yis ythe yeffect ywhen yyou ychange ya ysling yangle yfrom y60* yto y30* ywhen
yhoisting yand yrigging? y- ycorrect yanswers y-More ytension, yless ycapacity.
* yWhat yis ythe yconversion yformula ywhen ymeasuring yInch yto yMM? y- ycorrect
yanswers y-25.4 yInch yto yMM y(.03937)
2.54 yInch yto yCM y(.3937)
** yYou yopen ya yDumbwaiter yaccess ypanel yand yit ystill yruns. yWhat yis ythe ycause? y-
ycorrect yanswers y-Pit yAccess yswitch yis ynot yworking. y(550)
** yYou yperform ya ystatic yload ytest ywith ythe ypit yvalve yin ythe yclosed yposition. yThe
ycar ysinks y6" yin y15 yminutes. yWhat yis ythe ycause? y- ycorrect yanswers y-Cylinder
yleak y(520)
** yDuring yconstruction, yyou yland yan yescalator ybut yit yis y10mm yto ylow. yWhat yis
ywrong? y- ycorrect yanswers y-Pit yis ytoo ydeep yor yColumn yMark yis yoff. y(825)
