ASM 345 EXAM QUESTIONS WITH
CORRECT ANSWERS
What type of engine has dominated the off-road industry since the 1960s:
a. gas turbine
b. gasoline
c. diesel
d. spark ignited LPG - c. diesel
Friction force depends upon:
a. normal forces and contact area
b. contact material differences and normal forces
c. contact material differences and contact area
d. normal forces and contact area average temperature - b. contact material differences
and normal forces
Which of the following properties change between the surface of the Earth and the
surface of the Moon:
a. length
b. weight
c. electric charge
d. mass - b. weight
A vector number combines _________ with ________.
a. magnitude; units
b. scale factor; direction
c. scale factor; units
d. magnitude; direction - d. magnitude; direction
The diesel engine was introduced into the off-road world by:
a. Case
b. Caterpillar
c. John Deere
d. International Harvester - b. Caterpillar
The biggest demand on a diesel engine in the off-road world is created by the:
a. PTO shaft
b. drawbar
c. hydraulic pump
d. alternator - a. PTO shaft
Which of these mounting techniques is rarely used anymore:
a. drawbar
b. semi-mounted
, c. mounted three-point
d. frame attached - d. frame attached
Drawing a control volume around a subject and tracking what goes inside and through
the boundaries is an operative definition of:
a. First Law of Thermodynamics
b. Second Law of Motion
c. Third Law of Thermodynamics
d. Title IV of US Code - a. First Law of Thermodynamics
Which of the following is true:
a. The shape of the hydraulic container is important
b. The pump handle pressure of a hydraulic jack is greater than the left head pressure
c. The direction the pressure probe is pointed is important
d. Only the depth of the lake matters to the dam - d. Only the depth of the lake matters
to the dam
A real moving fluid:
a. has an increase in static pressure
b. loses internal energy
c. has a decrease in static pressure
d. b & c - d. b & c
The first significant agricultural use of hydraulic systems was for:
a. remote variable speed motors
b. brake systems
c. three point hitch
d. power steering - c. three point hitch
Which component ensures the long life of a hydraulic system:
a. accumulator
b. pressure relief valve
c. filter
d. pump - c. filter
A mechatronic valve:
a. can mimic multiple types of valves
b. has two inlets and four outlets
c. is fully mechanical
d. is fully electrical - a. can mimic multiple types of valves
Which of the following is false regarding the hydrostatic principle:
a. the orientation of the pressure probe is irrelevant
b. the fluid is in contact everywhere and incompressible
c. the height of two points in the system is irrelevant
CORRECT ANSWERS
What type of engine has dominated the off-road industry since the 1960s:
a. gas turbine
b. gasoline
c. diesel
d. spark ignited LPG - c. diesel
Friction force depends upon:
a. normal forces and contact area
b. contact material differences and normal forces
c. contact material differences and contact area
d. normal forces and contact area average temperature - b. contact material differences
and normal forces
Which of the following properties change between the surface of the Earth and the
surface of the Moon:
a. length
b. weight
c. electric charge
d. mass - b. weight
A vector number combines _________ with ________.
a. magnitude; units
b. scale factor; direction
c. scale factor; units
d. magnitude; direction - d. magnitude; direction
The diesel engine was introduced into the off-road world by:
a. Case
b. Caterpillar
c. John Deere
d. International Harvester - b. Caterpillar
The biggest demand on a diesel engine in the off-road world is created by the:
a. PTO shaft
b. drawbar
c. hydraulic pump
d. alternator - a. PTO shaft
Which of these mounting techniques is rarely used anymore:
a. drawbar
b. semi-mounted
, c. mounted three-point
d. frame attached - d. frame attached
Drawing a control volume around a subject and tracking what goes inside and through
the boundaries is an operative definition of:
a. First Law of Thermodynamics
b. Second Law of Motion
c. Third Law of Thermodynamics
d. Title IV of US Code - a. First Law of Thermodynamics
Which of the following is true:
a. The shape of the hydraulic container is important
b. The pump handle pressure of a hydraulic jack is greater than the left head pressure
c. The direction the pressure probe is pointed is important
d. Only the depth of the lake matters to the dam - d. Only the depth of the lake matters
to the dam
A real moving fluid:
a. has an increase in static pressure
b. loses internal energy
c. has a decrease in static pressure
d. b & c - d. b & c
The first significant agricultural use of hydraulic systems was for:
a. remote variable speed motors
b. brake systems
c. three point hitch
d. power steering - c. three point hitch
Which component ensures the long life of a hydraulic system:
a. accumulator
b. pressure relief valve
c. filter
d. pump - c. filter
A mechatronic valve:
a. can mimic multiple types of valves
b. has two inlets and four outlets
c. is fully mechanical
d. is fully electrical - a. can mimic multiple types of valves
Which of the following is false regarding the hydrostatic principle:
a. the orientation of the pressure probe is irrelevant
b. the fluid is in contact everywhere and incompressible
c. the height of two points in the system is irrelevant
