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AREA 3 > Random > Flashcards

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1
Q

Formula of Solving the number of cement

A

No of cement= 55/cement+Sand+Gravel

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2
Q

Formula of Solving the number of sand and gravel formula

A

No of sand= 0.028 x sand x Cement

No of gravel= 0.028 × gravel × cement

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3
Q

Class AA mixture

A

1 × 1.5 × 3

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4
Q

Class A mixture

A

1 × 2 × 4

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5
Q

Class B mixture

A

1 × 2.5 × 5

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6
Q

Class C mixture

A

1 × 3 × 6

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7
Q

Moment formula in Cantilever

A

Single support

M= WL²/2

Two support= WL²/8

Free end and fix end = (LxW/2)×L/3

W- weight
L- length

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8
Q

Number of farrowing pen formula

A

(No of sows × Liter index × occupancy period/365)×1.1

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9
Q

Solving for the floor spacing for broiler 0-4 weeks

A

Every 100 birds has 6.25 m² sapcing

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10
Q

GMP

A

Good Manufacturing Practices

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11
Q

API

A

American Petroleum Institute

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12
Q

CPM

A

Critical Path Method

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13
Q

A binary alloy of copper and zinc.

A

Brass

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14
Q

The resistance of a conductor _____
when its temperature is increased.

A

Increases

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15
Q

A meter whose needle is initially at the
center.

A

Galvanometer

  • Dynamometer- used to measure force, torque, or power
  • Iron vane meter- measure electrical quantities such as current or voltage
    *Voltmeter-measure the potential difference (voltage) between two points in an electrical circuit.
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16
Q

Automatic device that operates at a
preset value.
a. Relay
c. Contactor
b. Mercury switch
d. Fuse

A

A.

  • contactor - is an electrically controlled switch used for switching an electrical power circuit

*mercury switch - is an electrical switch that uses a small amount of liquid mercury enclosed in a glass or metal capsule to open or close an electrical circuit.

*Fuse - safety device used in electrical circuits to protect equipment and wiring from overcurrent conditions caused by short circuits, overloads, or faults.

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17
Q

1 Ton Refrigeration is equals to

A

12000 Btu/hr
3.52 kJ/s

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18
Q

1 Kcal to KJ

A

4.185 KJ

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19
Q

Age qualification to be a member of board of ABE

A

35

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20
Q

1 Kip to lb

A

1000 lb

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21
Q

Lighting intensity to be provided for nursery?

A

100 lux

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22
Q

Minimum lighting requirements for milker milking operator’s area?

A
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23
Q

Height of pen wall recommended for cattle feed lot?

A

1.2 to 1.5 m

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24
Q

Height of pen wall recommended for cattle feed lot?

A

1.2 to 1.5 m

25
Q

Recommended brooding temperature for 14 to 21 days old chicks?

A

27 to 29 °C

26
Q

Polar moment of inertia for common cross sections

A

Rectangular = bh³/12 (b- width, h-height)

Circular = πd⁴/32

Hollow circular= π(D⁴-d⁴)/32

Triangular = bh³/36 (b-base, h-height)

27
Q

Latent heat of water/ice

A

144 BTU/lb

335 KJ/kg

28
Q

Freezing temperature for most foods

A

-3 to 0.5 °C
or
-2°C

29
Q

Specific heat of ice

A

2.1 KJ/kg-Kelvin

30
Q

Standard unit for expressing the cooling capacity of a refrigeration unit

A

1 ton of refrigeration

31
Q

Quantity of heat required to raise or lower the temperature of 1 kg of water by 1 kelvin or 1 degrees celsius

A

Specific heat

32
Q

The equivalent wye element of three equal resistors each equal to R and connected in delta is

A

R/3

33
Q

Maximum moment M for a simple beam with a uniformly distributed load of W and a clear
span of L formula

A

M = WL²/8

34
Q

Ratio of the weight of grains that fell out from the machine during
threshing operation, to the weight of the total grain input of the
thresher, expressed in percent.

A

separation loss

35
Q

Capacitors used to filter DC components.

A

Electrolytic

36
Q

Formula of effective modulus of elasticity?

A

EME= ((Ec×Ac)+(Es×As))/(Ac+As)

Where:
Ec- modulus of elasticity of concrete
Es- modulus of elasticity of steel
Ac- area of concrete
As- area of reinforcement of steel

37
Q

To remove light impurities from the product, use the following
device:
A. scalper
B. sifter
C. specific gravity separator
D. air stream with velocity lower than product terminal velocity

A

D

38
Q

The pressure exerted by a fluid on the wall of the confined fluid or
perpendicular to the direction of fluid flow is known as

A

Static pressure

39
Q

In order for a material to be called a conductor, what is the
maximum number valence electrons it can have?

A

Three

40
Q

From Ohm’s Law, the impedance multiplied by the current in the
circuit equals the:

A

Voltage

41
Q

The transfer of heat from a higher- to a lower-temperature region
within a gas or a liquid by moving masses of the fluid.

A

Convection

42
Q

Ratio of the average percent moisture content removed from the
grain to drying time expressed in percent per hour.

A

moisture reduction rate

43
Q

The most common type of framing for all farm building since, if
properly anchored, braced and nailed, this frame is entirely
satisfactory and is economical, rapid method of construction.

A

Balloon frame

44
Q

The minimum percentage of purity acceptable for a thresher with
sifter is:

A

90%

45
Q

Squeezing the turns of a coil together will _________ its
inductance.

A

Increase

46
Q

One kWh of energy equals nearly

A. 1000 W
B. 860 koal
C. 4186 J
D. 735.5W

A

B

47
Q

The ratio of the moment of inertia of the beam cross section about
the neutral axis to the distance from neutral axis to extreme fibers
is called:

A

Section modulus

48
Q

An area in which a sow is confined during farrowing and lactation
periods, but in which the sow can turn around.

A

Farrowing pen

49
Q

Beam spanning from truss to truss and transfers the roof loads to
the truss

A

Purlins

50
Q

The speed of an electric motor can be measured by a

A

Tachometer

51
Q

Which of the following is an extensive property of thermodynamic
substance?

A. specific weight
B. specific internal energy
C. energy
D. specific gravity

A

C

52
Q

Jute sacks maybe stacked up to a maximum height of ______.

A

6 m

53
Q

A 3-phase wye connected solidly grounded alternator is under test.
Between one terminal and ground, the voltmeter registers 120 V,
between any two terminals; the voltmeter is expected to register

A

208 V

54
Q

Which of the following wood species does not belong to the high
strength group?
A. Agoho
B. Sasalit
C. Yakal
D. Mahogany

A

D

55
Q

Measure of the ability of the machine to remove the hulls.
coefficient of hulling

A

Coefficient of hulling

56
Q

The ability of a material to withstand high stress without being
greatly deformed is called

A

stiffness

57
Q

The “second generation” losses associated with post harvest
processes is approximated at:

A

7 to 26%

58
Q

Section Modulus of different shape

A

Circle= πd³/32

Rectangle bh²/6

AREA 3 (6 decks)

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