Railways Basic Science and Engineering Simple Machine Question Bank

done Levers and Simple Machines Total Questions - 50

• question_answer1)
  An example of a lever is a...
  A)
   pulley               done clear
  B)
   Bicycle done clear
  C)
   Scissors done clear
  D)
   Screw done clear
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• question_answer2)
  Which of the following is an example of a screw?
  A)
   Hammer                       done clear
  B)
   Spiral staircase done clear
  C)
   Axe                              done clear
  D)
   Knife done clear
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• question_answer3)
  Ramps, a wedge, and a screw are all examples of
  A)
   Levers              done clear
  B)
   Pulleys done clear
  C)
   Wheels and axles           done clear
  D)
   Inclined plane done clear
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• question_answer4)
  A force multiplier is a simple machine that multiplies you is...
  A)
   Strength                        done clear
  B)
   Effort done clear
  C)
   Load                            done clear
  D)
   Speed done clear
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• question_answer5)
  For a lever to be a first class lever the fulcrum needs to be.
  A)
   Between the load and the effort done clear
  B)
   On one side and the load and effort on the other side done clear
  C)
   On the same side as the load arm. done clear
  D)
   None of these. done clear
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• question_answer6)
  Which simple machine is an inclined plane wrapped around a cylinder?
  A)
   Wedge              done clear
  B)
   Screw done clear
  C)
   Wheel and axle  done clear
  D)
   Lever done clear
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• question_answer7)
  Levers are divided into _______ classes based on the location of the fulcrum and of the input and output forces.
  A)
   Four                             done clear
  B)
   three done clear
  C)
   five                              done clear
  D)
   two done clear
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• question_answer8)
  If the fulcrum is closer to the effort, it will take
  A)
   More force to lift the load done clear
  B)
   Less force to lift the load done clear
  C)
   Equal force to the lift the load done clear
  D)
   No force to life the load done clear
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• question_answer9)
  Effort is
  A)
   An inclined plane wrapped around a rod done clear
  B)
   A unit used for measuring force done clear
  C)
   How far an object moves in a certain amount of time done clear
  D)
   The force applied to a simple machine. done clear
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• question_answer10)
  What are examples of simple machines?
  A)
   Door knob and wheel barrow done clear
  B)
   Bike and car done clear
  C)
   Inclined plane and lever done clear
  D)
   Hammer and nail done clear
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• question_answer11)
  A lever or pulley connected to a shaft
  A)
   wheel and axle  done clear
  B)
   block and tackle done clear
  C)
   wheel barrow                 done clear
  D)
   screw done clear
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• question_answer12)
  Third class levers give a speed advantage because they...
  A)
   The move a load through a large distance than the effort moves the same time done clear
  B)
   Moves an effort a further distance than the load done clear
  C)
   Allow you to catch a fish quickly before you applied so much effort done clear
  D)
   Allow you to pick up a heavy load quickly done clear
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• question_answer13)
  Which of the following is not an inclined plane?
  A)
   Shovel  done clear
  B)
   Screw done clear
  C)
   Ramp               done clear
  D)
   Wedge done clear
  View Solution play_arrow

• question_answer14)
  A Ferns wheel is an example of which kind of simple machine?
  A)
   Fixed pulley                  done clear
  B)
   Movable pulley done clear
  C)
   Wheel and axle  done clear
  D)
   Incline plane done clear
  View Solution play_arrow

• question_answer15)
  Which of the following is NOT a simple machine?
  A)
   a screw             done clear
  B)
   a lever done clear
  C)
   a pair of scissors done clear
  D)
   a wheel and axle done clear
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• question_answer16)
  Simple machines (crow bar, ramp, axe, screw, and crane) do which of the following?
  A)
   Reduce the mass of an object that needs to be moved done clear
  B)
   Reduce the distance an object needs to be moved done clear
  C)
   Reduce the amount of time needed to move an object over a distance done clear
  D)
   Reduce the force needed to move an object over a Distance done clear
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• question_answer17)
  A ramp is a simple inclined plane that allows one to apply an m put force _______ the output force.
  A)
   perpendicular to done clear
  B)
   less than done clear
  C)
   equal to                        done clear
  D)
   greater than done clear
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• question_answer18)
  Which of the following is an example of a wheel and axle?
  A)
   a pulley                        done clear
  B)
   a screwdriver done clear
  C)
   a block and tackle          done clear
  D)
   a nutcracker done clear
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• question_answer19)
  Which of the following is an example of a third-class lever?
  A)
   a nutcracker                  done clear
  B)
   a screw done clear
  C)
   a hand-held boat paddle done clear
  D)
   a crow bar done clear
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• question_answer20)
  A good example of a second class lever is the...
  A)
   Can-opener                   done clear
  B)
   Wheel barrow done clear
  C)
   Hammer                       done clear
  D)
   Tongs done clear
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• question_answer21)
  A wedge is a modified
  A)
   inclined plane,   done clear
  B)
   wheel and axle. done clear
  C)
   lever,                done clear
  D)
   pulley. done clear
  View Solution play_arrow

• question_answer22)
  A pair of tweezers is
  A)
   a compound machine made of two second-class levers. done clear
  B)
   a compound machine made of two third-class levers. done clear
  C)
   a first -class lever. done clear
  D)
   a kind of wedge. done clear
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• question_answer23)
  What are the two families of simple machines?
  A)
   First class and second class done clear
  B)
   pulley and screw done clear
  C)
   inclined plane and lever done clear
  D)
   wedge and compound. done clear
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• question_answer24)
  A first-class lever has the
  A)
   input force in the middle. done clear
  B)
   fulcrum in the middle. done clear
  C)
   fulcrum at one end and the input force between t & e fulcrum and the output force. done clear
  D)
   fulcrum at one end and the output force between the fulcrum and the input force. done clear
  View Solution play_arrow

• question_answer25)
  A bottle opener belongs to which class of the levers.
  A)
   Effort in the middle done clear
  B)
   Fulcrum in the middle done clear
  C)
   Resistance in the middle done clear
  D)
   None of the mentioned. done clear
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• question_answer26)
  Which of these is an example of a wedge?
  A)
   skate board                   done clear
  B)
   broom done clear
  C)
   stairs                            done clear
  D)
   butter knife done clear
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• question_answer27)
  Which is an example of someone using a simple machine to do work?
  A)
   a boy runs across a football field done clear
  B)
   a banker counts money done clear
  C)
   a mother pushes a stroller up a ramp into a building done clear
  D)
   a girl eats a sandwich. done clear
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• question_answer28)
  Which type of simple machine would be found on the bottom of a wagon?
  A)
   a pulley                        done clear
  B)
   a screw done clear
  C)
   a wedge                        done clear
  D)
   a wheel and axle done clear
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• question_answer29)
  Which is a characteristic of simple machines?
  A)
   They run on electricity. done clear
  B)
   They take a long time to make. done clear
  C)
   They have few or no moving parts. done clear
  D)
   They are not very large done clear
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• question_answer30)
  A screw is made up of__ wrapped around a post or rod.
  A)
   tracks               done clear
  B)
   springs done clear
  C)
   threads             done clear
  D)
   strings done clear
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• question_answer31)
  What two parts might make a pulley?
  A)
   wheel and axle  done clear
  B)
   wheel and wire done clear
  C)
   wheel and screw done clear
  D)
   wheel and fulcrum done clear
  View Solution play_arrow

• question_answer32)
  This machine converts motion in one direction into splitting motion acting at right angles.
  A)
   Screw               done clear
  B)
   Wedge done clear
  C)
   Pulley               done clear
  D)
   Wheel and Axle done clear
  View Solution play_arrow

• question_answer33)
  A sloping surface that alters the force required to move the load in a perpendicular direction.
  A)
   Wedge              done clear
  B)
   Inclined Plane done clear
  C)
   Wheel and Axle done clear
  D)
   Pulley done clear
  View Solution play_arrow

• question_answer34)
  An arm that pivots on a point called a fulcrum
  A)
   Lever   done clear
  B)
   Screw done clear
  C)
   Pulley               done clear
  D)
   Bevel Gear done clear
  View Solution play_arrow

• question_answer35)
  When a rope or cable is wrapped over a grooved wheel it is called a:
  A)
   Lever               done clear
  B)
   Wheel and Axle done clear
  C)
   Pulley   done clear
  D)
   Machine done clear
  E)
   Screw done clear
  View Solution play_arrow

• question_answer36)
  Lifting a wheelbarrow best illustrates the use of which simple machine?
  A)
   Lever   done clear
  B)
   Wedge done clear
  C)
   Pulley               done clear
  D)
   Screw done clear
  View Solution play_arrow

• question_answer37)
  The use of a door stop best illustrates the use of which simple machine?
  A)
   Lever               done clear
  B)
   Screw done clear
  C)
   Wheel and Axle done clear
  D)
   Wedge done clear
  View Solution play_arrow

• question_answer38)
  How many basic types of simple machines are there?
  A)
   2                                 done clear
  B)
   3 done clear
  C)
   5                                 done clear
  D)
   6 done clear
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• question_answer39)
  What type of simple machine is an inclined plane wrapped around a pole?
  A)
   Lever               done clear
  B)
   Wheel and Axle done clear
  C)
   Pulley and Wedge          done clear
  D)
   Screw done clear
  View Solution play_arrow

• question_answer40)
  An axe and a chisel are examples of what type of simple machine?
  A)
   Lever and Inclined plane done clear
  B)
   Wheel and Axle done clear
  C)
    Wedge done clear
  D)
   Screw done clear
  View Solution play_arrow

• question_answer41)
  Which Greek philosopher is credited with first discovering and describing simple machines?
  A)
     Plato              done clear
  B)
   Socrates done clear
  C)
   Archimedes done clear
  D)
   Aristotle done clear
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• question_answer42)
  A simple machine that is actually a kind on inclined plane is a
  A)
   pulley               done clear
  B)
   wedge done clear
  C)
   gear                             done clear
  D)
   balance done clear
  View Solution play_arrow

• question_answer43)
  The mechanical advantage of a compound machine is determined by
  A)
   Adding the mechanical advantage for each simple machine. done clear
  B)
   Finding the simple machine with the largest mechanical advantage. done clear
  C)
   Finding the average mechanical advantage for the simple machines. done clear
  D)
   multiplying the mechanical advantage for each simple machine done clear
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• question_answer44)
  The mechanical advantage for a pulley system is determined by
  A)
   Counting the number of strands holding the resistance force. done clear
  B)
   Counting the number of strands holding and not holding the resistance force. done clear
  C)
   Adding the radii of the pulleys. done clear
  D)
   Multiplying the radii of the pulleys. done clear
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• question_answer45)
  A screwdriver can be used to open a can of paint. In this situation, the screwdriver is being used as a
  A)
   Wheel and axle. done clear
  B)
   Screw. done clear
  C)
   Lever,  done clear
  D)
   inclined plane done clear
  View Solution play_arrow

• question_answer46)
  Which type of lever always reduces the force applied?
  A)
   Lever of the first order done clear
  B)
   Lever of the second order done clear
  C)
   Lever of the third order done clear
  D)
   All of these done clear
  View Solution play_arrow

• question_answer47)
  A wire cutter is an example of:
  A)
   Lever of first order done clear
  B)
   Lever of second order done clear
  C)
   Lever of third order done clear
  D)
   None of these done clear
  View Solution play_arrow

• question_answer48)
  Machines require proper care and maintenance:
  A)
   to make them look good done clear
  B)
   for preserving them for future done clear
  C)
   for their efficient and longer use done clear
  D)
   None of these done clear
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• question_answer49)
  Wheelbarrow is an example of:
  A)
   Lever of the first order done clear
  B)
   Lever of the second order done clear
  C)
   Lever of the third order done clear
  D)
   Inclined plane done clear
  View Solution play_arrow

• question_answer50)
  A pulley is a simple machine used to:
  A)
   multiply force done clear
  B)
   apply a force at a convenient point done clear
  C)
   apply a force in a convenient direction done clear
  D)
   None of these done clear
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