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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
Q

corresponds to the point on the stress-strain curve where it flattens out temporarily

A

yield stress

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26
Q

ability of a material to regain its original shape and dimension after the load is removed

A

elasticity

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27
Q

ability of a material to retain its shape after loading produces a change in form

A

plasticity

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28
Q

ability to withstand high stress without being greatly deformed

A

stiffness

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29
Q

ability of a material to undergo plastic deformation when a tensile load is applied

A

ductility

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30
Q

ability of a material to undergo plastic deformation when compressive load is applied; ability to flattened out

A

malleability

31
Q

ability of a material to withstand shock loading

A

toughness or resilience

32
Q

ability of a material to resist penetration

A

hardness

33
Q

deformation of a material under a steady load at elevated temp

A

creep

34
Q

the failure of a part due to repeated loading or reversal normal loading

A

fatigue

35
Q

the stress value where an infinite number of stress reversals will not cause failure

A

endurance limit

36
Q

the ability of a material to transmit heat

A

thermal conductivity

37
Q

ultimate stress or yield stress divided by a factor of safety

A

design stress

38
Q

suggested safety factor for brittle materials

A

2

39
Q

suggested safety factor for ductile materials

A

1.5

40
Q

those within the elastic limit and induced by external load such as tension, compression, shear, bending, and torsion

A

load stresses

41
Q

stresses that are independent of external loads

A

residual stresses

42
Q

failure when the length is greater than 4 to 6 times the least dimension perpendicular to the axis

A

buckling

43
Q

when column bows sideways while the stresses are within the elastic limit

A

elastic instability

44
Q

sideways bowing occurs after the maximum stress reach the yield point

A

plastic instability

45
Q

buckling of thin sections such as tubes or built-up columns

A

local buckling

46
Q

molding

A

casting

47
Q

forming materials in semi-plastic state

A

forging

48
Q

to form long members of uniform section as bars, rails, plates

A

rolling

49
Q

forming or combining powdered metals or a mixture of powdered metals by heat treatment so that a rigid piece will be produced

A

sintering

50
Q

joining/connecting parts permanently (w/ considerable strength)

A

riveting

51
Q

fabrication using flammable gas or elemental rod

A

welding

52
Q

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

A

forge welding

53
Q

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

A

electric resistance welding

54
Q

molten metal is placed at the joints to fuse the parts to be joined

A

fusion welding

55
Q

use of either carbon-rod or other metallic-rod electrode

A

arc welding

56
Q

melting the joint to be welded

A

gas welding

57
Q

mild steel dips have their ends punched through the overlapped sheets and the bent over to form the stitch

A

stitching

58
Q

fabrication for thin metal sheets

A

rolling, spinning, and seaming

59
Q

provides readily available and efficient method for transmitting power between parallel shafts

A

chains

60
Q

used mainly for conveyor; relatively noisy and rapidly wears out

A

block chains

61
Q

made of alloy steel, hardened and ground

A

roller chains

62
Q

is made overlapping links

A

inverted tooth chain

63
Q

driving prism

A

sprocket

64
Q

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

A

clutches

65
Q

jaws or teeth in the two elements interlock

A

jaw clutches

66
Q

the driving force is transmitted by friction

A

friction clutches

67
Q

torque is transmitted by a moving fluid

A

hydraulic clutches

68
Q

the torque is transmitted by means of a magnetic field

A

electromagnetic clutches

69
Q

utilizes the wedging action on the parts for increasing the normal force on the lining, causing increase in tangential friction force and torque

A

cone clutches

70
Q

a device which is used to regulate or stop the motion of a body

A

brakes

71
Q

disk, band, block, shoe, spot brake

A

mechanical brakes

72
Q

utilize fluid friction

A

hydrodynamic brake

73
Q

utilize the strength of electromagnetic fields

A

electrical brake

74
Q

action is more or less like clutcj

A

disk brakes

1. MSU-GSC (13 decks)

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