Production exam with complete solutions
2024
The jthree jcommon jtypes jof jmechanisms jare jlevers, j______, jand jinclined jplanes.
j- jANSWER✓✓-wheels
The jmetric jsystem jexpresses jforce jin j______. j- jANSWER✓✓-newtons
A jspring jscale jis jused jto jmeasure j______. j- jANSWER✓✓-force
The jEnglish junit jof jmeasure jof jweight jis jthe j______. j- jANSWER✓✓-pound-force
j(lb-f)
The jLaw jof jMoments jcan jbe jused jto jdetermine j______. j- jANSWER✓✓-both jthe
jforce jneeded jto jbalance jOR jforce jneeded jto jmove ja jload
Torque jcan jbe jcalculated jby jmultiplying jthe jdistance jfrom jthe jfulcrum jand
j______. j- jANSWER✓✓-the jforce japplied
A jforce jthat jmakes jan jobject jrotate jabout ja jpoint jis jcalled j______. j-
jANSWER✓✓-torque
A jsecond-class jlever jhas jits j______. j- jANSWER✓✓-load jbetween jthe jfulcrum jand
jthe jeffort jarm
A jthird-class jlever jhas jits j______. j- jANSWER✓✓-effort jarm jbetween jthe jfulcrum
jand jthe jload
A(n) j______ jis jproduced jwhen jforces japplied jto ja jlever jcause jit jto jrotate. j-
jANSWER✓✓-rotational jmoment
Mechanical jadvantage jis jthe jratio jof jthe jforce jrequired jto jmove ja jload jdivided jby
j_____. j- jANSWER✓✓-the jeffort jforce japplied
The jmechanical jadvantage jof ja jthird-class jlever jcan jbe jfound jby jthe jratio jof jthe
jlength jof jthe j______ jarm jdivided jby jthe jlength jof jthe j______ jarm. j- jANSWER✓✓-
effort, jresistance
The jcoefficient jof jfriction jis jthe jratio jof jthe jforce jof jfriction jdivided jby jthe
j______. j- jANSWER✓✓-normal jforce
Rolling jfriction jis j______. j- jANSWER✓✓-less jthan jboth jstatic jand jkinetic jfriction
, What jis jthe junit jof jmeasure jfor jthe jcoefficient jof jfriction? j- jANSWER✓✓-it jhas
jno junit
One japplication jthat jtakes jadvantage jif jboth jhigh jand jlow jfriction jis ja(n) j______.
j- jANSWER✓✓-belt jsander
A jwheel jreduces jfriction jbecause j_____ jfriction jis jless jthan jsliding jfriction. j-
jANSWER✓✓-rolling
The jmechanical jadvantage jof jan jinclined jplane jis jthe jratio jof jthe j______ jof jthe
jinclined jplane jdivided jby jits j______. j- jANSWER✓✓-length, jheight
The jdouble jrocker jlinkage jis jone jtype jof j______ jlinkage. j- jANSWER✓✓-four jbar
The jslider jcrank jlinkage jis jalso jknown jas jthe j______ jlinkage. j- jANSWER✓✓-
three jbar
What jtype jof jlinkage jconsists jof ja jdriver jarm, jconnecting jrod, jand ja jfollower? j-
jANSWER✓✓-double jrocker
The jfollower jof jthe j______ jlinkage jmoves jin jan jarc. j- jANSWER✓✓-crank jrocker
A j______ jlinkage jchanges jrotary jmotion jinto jreciprocating j(back jand jforth)
jmotion. j- jANSWER✓✓-slider jcrank
The jcrank jrocker jlinkage jis jone jtype jof j______ jlinkage. j- jANSWER✓✓-four jbar
A j____ jis jmounted jon ja jshaft jby jmeans jof ja jkey. j- jANSWER✓✓-cam
The jfour jproperties jof ja jcam jare: jrise, jfall, j______, jand jconstant jvelocity. j-
jANSWER✓✓-dwell
A jcam jis ja jwheel jthat, jwhen jcombined jwith ja jcam jfollower, jproduces ja(n) j______
jmotion. j- jANSWER✓✓-reciprocating
Turnbuckle jhas jtwo jbolts, jwhere j______. j- jANSWER✓✓-one jhas jleft-hand jthreads
jand jthe jother jhas jright-hand jthreads
On ja jCNC jmilling jmachine ja jmovement jalong jthe jX jdirection jwould jmove jthe
j______. j- jANSWER✓✓-table
In ja jCNC jmachine joperation, jzero joffset j______. j- jANSWER✓✓-allows jthe
joperator jto jmove jthe jpart jto jthe jmost jdesirable jlocation jon jthe jwork jtable
During jthe jcutting jaction, jthe jtool jtip j______ jthe jmetal juntil jit jexceeds jits
jfracture jpoint. j- jANSWER✓✓-deforms
Feed jof ja jsingle jpoint jcutting jtool jmost jaffects jthe j______. j- jANSWER✓✓-tool's
jlife