Machine Design Elements I Past Board
Exam Questions and Answers 100%
Solved
Device used to measure accurately speed:
a. speedometer
b. dial indicator
c. tachometer
d. dial gauge - ✔✔c. tachometer
When the hole is smaller than the shaft, it will take pressure to put the parts
together. The allowance is said to be negative and is termed:
a. negative tolerance
b. negative allowance
c. negative fits
d. interference of metal - ✔✔d. interference of metal
When two elastic bodies collide, which of the following laws can be used to
solve for the resulting velocity?
a. Dalton's law
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,b. Avogadro
c. Conservation of energy
d. Conservation of momentum and Conservation of energy - ✔✔D.
Conservation of momentum and Conservation of energy
The ability of a metal to be deformed considerably without rupture is called:
a. plasticity
b. all of these
c. ductility
d. malleability - ✔✔a. plasticity
Permanent deformation or strain may occur without fracture:
a. malleability
b. elasticity
c. ductility
d. plasticity - ✔✔c. ductility
It is a science of motion that can be solved in terms of scalar or vector
algebra
a. kinematics
b. curvilinear translation
c. projectiles
d. acceleration - ✔✔a. kinematics
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,A system of forces in space is in equilibrium if two equal and opposite
collinear forces are added, which of the following if any is true?
a. equilibrium is destroyed
b. equilibrium is maintaned
c. none of these is true
d. an unbalanced of moment exist - ✔✔b. equilibrium is maintaned
Metal that assists lubrication or lubricant in itself
a. zinc
b. antimony
c. babbitt
d. lead - ✔✔c. babbit
A mechanism which usually do the indexing in a machine tool
a. universal chuck
b. slotter
c. dividing head
d. indexing - ✔✔c. dividing head
It equalizes the energy exerted and the work done thus preventing
excessive or sudden changes of speed
a. flywheel
b. balance of wheel
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, c. all of these
d. flywheel pulley - ✔✔c. all of these
The smallest area at the point of rupture of a tensile specimen divided by
the original area is called
a. percentage elongation
b. Izod test
c. Charpy test
d. percentage reduction of area - ✔✔d. percentage reduction of area
The product of the resultant of all forces acting on a body and the time that
the resultant acts
a. angular impulse
b. angular momentum
c. linear impulse
d. linear momentum - ✔✔c. linear impulse
Which of the following is not a structural class of steel?
a. low carbon steel
b. tool and die steel
c. high chrome alloy steel
d. high strength low alloy steel - ✔✔b. tool and die steel
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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Exam Questions and Answers 100%
Solved
Device used to measure accurately speed:
a. speedometer
b. dial indicator
c. tachometer
d. dial gauge - ✔✔c. tachometer
When the hole is smaller than the shaft, it will take pressure to put the parts
together. The allowance is said to be negative and is termed:
a. negative tolerance
b. negative allowance
c. negative fits
d. interference of metal - ✔✔d. interference of metal
When two elastic bodies collide, which of the following laws can be used to
solve for the resulting velocity?
a. Dalton's law
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,b. Avogadro
c. Conservation of energy
d. Conservation of momentum and Conservation of energy - ✔✔D.
Conservation of momentum and Conservation of energy
The ability of a metal to be deformed considerably without rupture is called:
a. plasticity
b. all of these
c. ductility
d. malleability - ✔✔a. plasticity
Permanent deformation or strain may occur without fracture:
a. malleability
b. elasticity
c. ductility
d. plasticity - ✔✔c. ductility
It is a science of motion that can be solved in terms of scalar or vector
algebra
a. kinematics
b. curvilinear translation
c. projectiles
d. acceleration - ✔✔a. kinematics
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,A system of forces in space is in equilibrium if two equal and opposite
collinear forces are added, which of the following if any is true?
a. equilibrium is destroyed
b. equilibrium is maintaned
c. none of these is true
d. an unbalanced of moment exist - ✔✔b. equilibrium is maintaned
Metal that assists lubrication or lubricant in itself
a. zinc
b. antimony
c. babbitt
d. lead - ✔✔c. babbit
A mechanism which usually do the indexing in a machine tool
a. universal chuck
b. slotter
c. dividing head
d. indexing - ✔✔c. dividing head
It equalizes the energy exerted and the work done thus preventing
excessive or sudden changes of speed
a. flywheel
b. balance of wheel
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, c. all of these
d. flywheel pulley - ✔✔c. all of these
The smallest area at the point of rupture of a tensile specimen divided by
the original area is called
a. percentage elongation
b. Izod test
c. Charpy test
d. percentage reduction of area - ✔✔d. percentage reduction of area
The product of the resultant of all forces acting on a body and the time that
the resultant acts
a. angular impulse
b. angular momentum
c. linear impulse
d. linear momentum - ✔✔c. linear impulse
Which of the following is not a structural class of steel?
a. low carbon steel
b. tool and die steel
c. high chrome alloy steel
d. high strength low alloy steel - ✔✔b. tool and die steel
4
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