AGRICULTURAL MACHINERY MANAGEMENT, EXTENSION, MARKETING AN AE LAWS ETCH Flashcards
PLEASE USE YOUR CALCULATOR, PEN AND PAPER TO SOLVE
Refers to machines collectively.
A. Equipment B. Tools
C. Machinery
D. Machineries
C. MACHINERY
The process of dealing with or controlling things.
A. Management B. Managing
C. Supervising D. Administering
A. MANAGEMENT
The action of promoting and selling products or services, including market research and
advertising.
A. Certifying B. Marketing
C. Endorsing
D. Recommending
B. MARKETING
Which one is a part of a vertical feed mixer?
A. Screw
B. Hopper
C. Discharge chute
D. All of the above
D. ALL OF THE ABOVE
A feed mixer tested to have mixing coefficient of variation of 10-15% is rated as
A. Poor
B. Fair
C. Good
D. Very good
C. GOOD
As a standard, stripping efficiency of the mechanized stripping machine shall be at least
A. 70% B. 80% C. 85% D. 90%
B. 80%
A 6-bladed windmill with 8 meters rotor diameter and 45 degrees twist angle is to be modified due to
insufficient starting torque. What should be done?
A. Increase blades
B. Decrease blades
C. Increase twist angle
D. Decrease twist angle
A. INCREASE BLADES
(Since increasing blades increases torque)
A windmill with 6 meters rotor diameter, 5 cm pump diameter and 2 cm crank arm is to be modified due to low
volumetric efficiency. What should be done?
A. Enlarge rotor
B. Reduce rotor
C. Elongate crank arm
D. Enlarge pump diameter
C. ELONGATE CRANK ARM ( (since elongating crank arm increases pump stroke and volumetric efficiency)
A 3-bladed 40-meter tall aerogenerator with 20 meters rotor radius designed for 6 m/s wind can’t rotate.
Average windspeed at rotor center is 5.5 m/s. Which part needs to be increased?
A. Number of blades
B. Rotor radius
C. Crank arm
D. Tower height
D. TOWER HEIGHT ( windspeed is higher at higher elevation; increasing rotor radius will severely affect twist angle of
entire blade & tip-speed ratio; aerogenerators have no crank arm)
A 2-tonne capacity Jatropha oil expeller was loaded full with dried Jatropha seeds in 3 minutes. It produced
750 kg of crude oil in 3 hours. What is its crude oil production rate?
A. 300 kg/h
B. 250 kg/min
C. 600 kg/h
D. 600 kg/min
B. 250 kg/min
Solution:
Poil = Weight of crude oil collected / Total time
= 750 kg /3 min = 250 kg/min
A castor bean oil expeller was loaded with 4.5 tonnes dried castor bean seeds. It produced 2,250 kg of crude oil
in 4 hours. What is its castor bean cake production rate?
A. 653 kg/h
B. 563 kg/h
C. 365 kg/h
D. 635 kg/h
B. 563 kg/h
Solution:
Pcake = Weight of resulting cake produced / Total time
= (4,500 kg seed – 2,250 kg oil) /4 h
= 562.5 kg/h
A 10-tonne capacity coconut oil expeller was loaded full with grated copra. It produced 5,000 kg of crude oil in
10 hours. What is the copra cake production rate of the machine at 95% cake collection efficiency?
A. 745 kg/h
B. 475 kg/h
C. 547 kg/h
D. 574 kg/h
B. 475 kg/h
Solution:
Pcake = [(Wt. of copra input - Wt. of crude oil collected )/ Total time] x Eff
= [(10,000 kg - 5,000 kg) /10 h] x 0.95
= 475 kg/h
What is the weight of agricultural waste that is needed annually to optimally operate a 26-ampere 6-kw vermi
cast production shredder having a capacity of 0.3 tonne of waste per hour? It optimally operates 16 hours daily
during the 4-month peak sunny months and 8 h/day at 26 days/month for the rest of the year.
A. 1,057 tonnes
B. 1,075 tonnes
C. 1,750 tonnes
D. 175 tonnes
C. 1,750 tonnes
Solution:
Wt = Input Rate x (Peak Operating Time + Lean Operating Time)
= [0.3 tonne/h][ (16 h/d x 30 d/mo x 4 mo/yr)+ (8 h/d x 26 d/mo x 8 mos/yr)]
= 1,075 tonnes/yr
The benefits to society regardless of who in the society receives the benefits.
A. Financial benefit
B. Economic benefit
C. Revenue
D. Sales
B. ECONOMIC BENIFIT
Benefits less costs excluding depreciation.
A. Profit
B. Net benefit
C. Cash flow D. Economic benefits
C. CASH FLOW
Which one is a one-time expense?
A. Investment B. Single cost C. One-time cost
D. Operating cost
A. INVESTMENT
Annually recurring cost
A. Investment B. Operating cost
C. Contingency
D. Operating capital
B. OPERATING COST
Land is an example of
A. Investment B. Operating cost
C. Contingency
D. Operating capital
D. OPERATING CAPITAL
Manager’s salary is an example of
A. Investment B. Operating cost
C. Maintenance cost
D. Operating capital
B. OPERATING COST
The cash component of investment.
A. Cash investment
B. Operating cost
C. Contingency
D. Operating capital
D. OPERATING CAPITAL
Contingency is normally what percentage of investment cost?
A. 5%
B. 10%
C. 15%
D. 20%
B. 10%
The scrap value of a property?
A. Salvage value
B. Economic value
C. Book value
D. End value
A. SALVAGE VALUE
What is market price deducted by tax.
A. Discounted price
B. Taxed price
C. Shadow price
D. Economic price
C. SHADOW PRICE
The equivalent value of a property at any given year.
A. Salvage value
B. Economic value
C. Book value D. End value
C. BOOK VALUE
Using simplest computation method, what is the annual depreciation of a tractor purchased at Php 2,500,000 if
its life span is assumed at 8 years? Salvage value is 10%.
A. Php 218,250
B. Php 281,250
C. Php 821,250
D. Php 250,281
B. Php 281,250
Solution:
Depreciation = (Php2,500,000-Php250,000)/8 years = Php 281,250/year
What feasibility indicator is best for determining how fast the project recovers the investment?
A. NPV
B. IRR
C. BCR
D. Payback period
D. Payback period