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1. MSU-GSC > PART 1: Machine Design > Flashcards

PART 1: Machine Design Flashcards

1
Q

simplest and most basic level; use of tools and simple implements powered by human muscle

A

hand tool technology

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2
Q

implements and machines utilizing animal muscle as the power source

A

draft animal technology

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3
Q

most sophisticated level; agricultural machinery powered by mechanical or non-animate sources

A

mechanical power technology

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4
Q

REPUBLIC ACT 8435

A

AFMA of 1997

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5
Q

AFMA

A

Agriculture and Fisheries Mechanization Act

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6
Q

AFMA was enacted on ___

A

December 22, 1997

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7
Q

5 major concerns of AFMA

A

poverty alleviation
food security
global competitiveness
sustainable development
income profitability

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8
Q

ra 10601

A

AFMech Law

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9
Q

AFMech Law

A

Agricultural and Fisheries Mechanization Law

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10
Q

PHILMech

A

Philippine Center for Postharvest Development and Mechanizatiom

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11
Q

BAFPS

A

Bureau of Agriculture and Fisheries Product Standards

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12
Q

CEAT

A

College of Engineering and Agro-Industrial Technology

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13
Q

RA 8559

A

Philippine Agricultural Engineering Act of 1998

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14
Q

RA 8559 was approved on ____

A

February 26, 1998

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15
Q

RA 10915, lapsed into law on ____

A

July 21, 2016

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16
Q

RA 10915

A

Philippine Agricultural and Biosystems Engineering Act of 2016

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17
Q

BAFE

A

Bureau of Agricultural and Fisheries Engineering

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18
Q

AMTEC

A

Agricultural Machinery Testing and Evaluation Center

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19
Q

AMTEC was established in ___

A

1997 by virtue of MOA bet. DA and UPLB

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20
Q

AMDP

A

Agricultural Mechanization Development Program

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21
Q

PCAARRD

A

Philippine Council on Agriculture, Forestry, and Natural Resources Research and Development

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22
Q

NAFC

A

National Agricultural and Fishery Council

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23
Q

PHilMech

A

Philippine Center

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24
Q

stress corresponding to the highest point at a stress curve

A

ultimate stress

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25
corresponds to the point on the stress-strain curve where it flattens out temporarily
yield stress
26
ability of a material to regain its original shape and dimension after the load is removed
elasticity
27
ability of a material to retain its shape after loading produces a change in form
plasticity
28
ability to withstand high stress without being greatly deformed
stiffness
29
ability of a material to undergo plastic deformation when a tensile load is applied
ductility
30
ability of a material to undergo plastic deformation when compressive load is applied; ability to flattened out
malleability
31
ability of a material to withstand shock loading
toughness or resilience
32
ability of a material to resist penetration
hardness
33
deformation of a material under a steady load at elevated temp
creep
34
the failure of a part due to repeated loading or reversal normal loading
fatigue
35
the stress value where an infinite number of stress reversals will not cause failure
endurance limit
36
the ability of a material to transmit heat
thermal conductivity
37
ultimate stress or yield stress divided by a factor of safety
design stress
38
suggested safety factor for brittle materials
2
39
suggested safety factor for ductile materials
1.5
40
those within the elastic limit and induced by external load such as tension, compression, shear, bending, and torsion
load stresses
41
stresses that are independent of external loads
residual stresses
42
failure when the length is greater than 4 to 6 times the least dimension perpendicular to the axis
buckling
43
when column bows sideways while the stresses are within the elastic limit
elastic instability
44
sideways bowing occurs after the maximum stress reach the yield point
plastic instability
45
buckling of thin sections such as tubes or built-up columns
local buckling
46
molding
casting
47
forming materials in semi-plastic state
forging
48
to form long members of uniform section as bars, rails, plates
rolling
49
forming or combining powdered metals or a mixture of powdered metals by heat treatment so that a rigid piece will be produced
sintering
50
joining/connecting parts permanently (w/ considerable strength)
riveting
51
fabrication using flammable gas or elemental rod
welding
52
parts are heated to the plastic state at the region where they are to be joined, and then impact, which is produced by a hand hammer or a fuss
forge welding
53
the parts to be joined are pressed together and an electric current is passed upon one part to the other until the metal is heated to the fusion temperature at the joint
electric resistance welding
54
molten metal is placed at the joints to fuse the parts to be joined
fusion welding
55
use of either carbon-rod or other metallic-rod electrode
arc welding
56
melting the joint to be welded
gas welding
57
mild steel dips have their ends punched through the overlapped sheets and the bent over to form the stitch
stitching
58
fabrication for thin metal sheets
rolling, spinning, and seaming
59
provides readily available and efficient method for transmitting power between parallel shafts
chains
60
used mainly for conveyor; relatively noisy and rapidly wears out
block chains
61
made of alloy steel, hardened and ground
roller chains
62
is made overlapping links
inverted tooth chain
63
driving prism
sprocket
64
is a machine member which is used to connect shafts so that the driven shaft will rotate with the driving shaft, and to disconnect them at will
clutches
65
jaws or teeth in the two elements interlock
jaw clutches
66
the driving force is transmitted by friction
friction clutches
67
torque is transmitted by a moving fluid
hydraulic clutches
68
the torque is transmitted by means of a magnetic field
electromagnetic clutches
69
utilizes the wedging action on the parts for increasing the normal force on the lining, causing increase in tangential friction force and torque
cone clutches
70
a device which is used to regulate or stop the motion of a body
brakes
71
disk, band, block, shoe, spot brake
mechanical brakes
72
utilize fluid friction
hydrodynamic brake
73
utilize the strength of electromagnetic fields
electrical brake
74
action is more or less like clutcj
disk brakes

1. MSU-GSC (13 decks)

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