PRE-BOARD Flashcards
Which of the following methods is not applicable to increase the total solids content of liquid manure?
a) Drying
b) Solid-liquid separation
c) Dilution
d) Add bedding
c) Dilution
When planning the layout buildings in a farm, which zone should implement shed and other storage structures with dry and quiet activities be placed?
a) Zone 1
b) Zone 2
c) Zone 3
d) Zone 4
b) Zone 2
What solids fraction is determined if an oven dried sample is placed in a furnace for 1 hour at 550°C?
a) Suspended solids
b) Total solids
c) Dry matter
d) volatile solids
d) volatile solids
According to PAES 419:2000, this is the optimum stack height in layers when storing sacks of maize.
a) 15
b) 16
c) 17
d) 18
d) 18
A natural or artificial process of nutrient enrichment whereby a water body becomes abundant in plant nutrients and low in oxygen content.
a) erosion
b) nitrifcation
c) Acidification
d) eutrophication
d) eutrophication
Based on PAES 401:2001, what is the minimum ventilation rate for a farrowing unit under normal conditions?
a) 0.08 m3/min
b) 0.12 m3/min
c) 0.24 m3/min
d) 0.28 m3/min
d) 0.28 m3/min
Based on PAES 402:2001, determine the floor space requirement for a 10,000-head broiler house from 0 to 4 weeks old.
a) 625 m2
b) 1250 m2
c) 1600 m2
d) 10000 m2
a) 625 m2
It refers to the stress in a material tending to cause deformation by slippage along a plane or planes parallel to the imposed force.
a) Normal Stress
b) Shear Stress
c) Bearing Stress
d) Strain
b) Shear Stress
It refers to the stress in a material tending to cause deformation along a plane or planes perpendicular to the imposed force.
a) Normal Stress
b) Shear Stress
c) Bearing Stress
d) Strain
a) Normal Stress
It is a rigid structure that consists of a collection of two-force structural elements connected at pin joints or nodes.
a) Shell
b) Frame
c) Bearing Stress
d) Truss
e) Machine
d) Truss
This refers to a mixture of cement, water and sand that is used to fill spaced between tiles.
a) Concrete
b) Paste
c) Mortar
d) Grout
d) Grout
Concrete is a rigid aggregate of materials consisting of the following:
a) Hollow blocks, cement, sand, water
b) Gravel, cement, sand
c) Hollow blocks, gravel, sand, water
d) Gravel, cement, sand, water
d) Gravel, cement, sand, water
This refers to a swine ranging from 40 to 65 kg in terms of weight.
a) Weanling
b) Fattener
c) Grower
d) Finisher
c) Grower
It is a female swine that has not farrowed.
a) Gilt
b) Sow
c) Dry sow
d) Boar
a) Gilt
It is a type of poultry raised primarily for meat production.
a) Layer
b) Broiler
c) Game fowl
d) Breeder
b) Broiler
It is the process of providing supplemental heat to broiler chicks from hatching up to the time they have grown sufficient feathers to control their own body temperature.
a) Hatching
b) Brooding
c) Candling
d) Weanling
b) Brooding
It refers to female cattle between two to three years of age which has not given birth.
a) Calf
b) Yearling
c) cow
d) Heifer
d) Heifer
The total energy does not include:
a) chemical energy
b) conductive energy
c) electro-magnetic energy
d) nuclear energy
b) conductive energy
Given the thermodynamic identity dU = TdS - PdV, an adiabatic process assumes a constant.
a) S
b) T
c) U
d) V
a) S - Enthalphy
Which of the following materials has the highest absorptivity at room temperature?
a) Aluminum
b) Asbestos
c) Concrete
d) Wood
c) Concrete
For an isotropic medium, the Fourier’s law is
a) q = -k dT/dx
b) q = k ∇T
c) q= -k ∇T
d) q = ∇(kT)
c) q= -k ∇T
The Moody chart for pipe shows the friction factor as a function of the Reynolds number at various roughness. Which of the commercial ducts has the highest roughness values?
a) Concrete
b) Rubber
c) Steel
d) Wood
a) Concrete
The boundary layer theory is applicable to systems with
a) very large Nusselt number
b) very large Reynolds number
c) very small Nusselt number
d) very small Reynolds number
b) very large Reynolds number
Light is simply the visible portion of the electromagnetic spectrum that lies
a) between 0.01 and 0.4 μm
b) between 0.76 and 100 μm
c) between 0.3 and 3.0 μm
d) between 0.4 and 0.76 μ
d) between 0.4 and 0.76 μ
In a geometry that consists of two concentric spheres, the view factor Fsub(1-2) = 1 since the entire radiation leaving the surface of the smaller sphere (R1) is intercepted by the larger sphere (R2). What is the value of Fsub(2-1)?
a) 1
b) Less than 1
c) More than 1
d) Cannot be determined
b) Less than 1
The highest pressure drop in the refrigeration cycle occurs at the
a) compressor
b) condenser
c) expansion device
d) evaporator
c) expansion device
In a throttling device, the enthalpy in the direction of flow
a) can either increase or decrease
b) decreases
c) remains constant
d) increases
c) remains constant
