問題一覧
1
Machine to be designed, if possible, should have reliability
99.9%
2
Shock resistance of steel is increased by adding
nickel and chromium
3
Kind of steel used for making tractor drawn disk plow bottoms
Soft-centered Steel
4
It is a type of material failure where the stresses in the material exceeds the material’s ultimate strength causing it to fracture into two or more parts but has undergone plastic deformation.
Ductile fracture
5
All are fundamental canons stated in the code of ethics of engineers except:
Acknowledge their errors and shall not distort or alter the facts.
6
A two-45 cm row seeder is used to plant a 10 hectare farm at 4kph. The 8-hole seed metering device is driven by a .60 cm-ground wheel. If the expected plant population is 75,000 plants/ha, determine the required GW/SP speed ratio. Assume one seed/hill.
1.26
7
The indicated horsepower of a tractor engine is 300 hp. What is its expected power takeoff?
261 hp
8
Gesky Industrial Products manufactures brushless blowers for boilers, food service equipment, kilns, and fuel cells. The company borrowed ₱ 18,000,000 for a plant expansion and repaid the loan in seven annual payments of ₱3,576,420, with the first payment made 1 year after the company received the money. What was the interest rate on the loan?
9 %
9
A farmer decides to stop growing crop A and instead use the land to grow crop B. The amount of potential profit lost by not growing crop A represents the farmer’s
Opportunity costs
10
A No. 40 roller chian transmit power from a 21-tooth driving sprocket to an 84-tooth driven sprocket. The angular speed of the driving sprocket is 2000rpm. If the chain length 132 links, determine the center-to-center distance of the shaft.
20in
11
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing is called
hydrostatic lubricated bearing
12
An act promoting agricultural and fisheries mechanization development in the country, also known as the “Agricultural and Fisheries Mechanization (AFMech)Law?
RA 10601
13
This Decree shall be known and cited as the “Agricultural Investments Incentives Act”.
PD 1159
14
In what law does National Building Code enacted?
RA 6541
15
revised version of 6541
PD 1096
16
An act mandating and strengthening the continuing professional development program for all regulated professions, creating the continuing professional development council, and appropriating funds therefor, and for other related purposes, also known as “Continuing Professional Development Act of 2016”
RA 10912
17
An act providing for the modernization, standardization and regulation of the procurement activities of the government and for other purposes, also known as “Government Procurement Reform Act”
RA 9184
18
The seal of an Agricultural and Biosystems Engineer shall be circular in shape with _______ diameter
42 mm
19
They are rules of conduct of any organized society, however simple or small, that are enforced by threat of punishment if they are violated.
law
20
On what year Agricultural Engineering was introduced?
1907
21
year when PSAE was founded by Engr. Felix Maramba
1950
22
A device used in measuring speed of a wind pump.
Tachometer
23
Machine commonly manufactured in the Philippines.
Thresher
24
This crop is the focus when tractors are first introduced in the Philippines.
Sugarcane
25
The grain-straw ratio for samples to be used for testing a mechanical rice thresher should be at ______ range
0.50 to 0.65
26
Primary tillage equipment that cuts the soil to a depth of 6 to 18 inches
Moldboard plow
27
The minimum number of trials required in testing heated-air mechanical grain dryer
Three
28
The untilled area where the machine turns.
Headland
29
An agricultural machine is purchased for P100,000 and has a useful life of 12 years. At the end of 12 years, the salvage value is P13,000. By straight-line depreciation, what is the accumulated depreciation at the end of 8 years?
Php 58,000
30
Remains constant whatever the quantity of goods and services produced.
Fixed cost
31
It refers to the ongoing costs to operate a business excluding direct cost.
Overhead cost
32
The projection of cash inflow and outflow of a farm to estimate the incremental net benefit of the life of the project is known as ____.
Farm budget
33
A transaction by your company this year involving the repayment in cash of a portion of the long-term loan of the company in the amount of P 70,000.00 would have the following effect.
decrease in assets = decrease in liabilities
34
A savings loan offers a 5.25% rate per annum compounded daily. What is the effective annual rate?
5.39%
35
Supposed that you will need Php 50,000 in a span of 5 years, with an interest rate of 5% compounded quarterly. How much will be the initial investment?
Php 39,000
36
This includes any goods employed in production other than land, labor, buildings and fences.
Capital
37
The groundwheel of a planter is normally related to the operation of this component.
Metering device
38
In what part of the machine does gear oil used?
Transmission box
39
The regular servicing and checking of the machine to keep the machine running efficiently.
Maintenance
40
What is the volume in the cylinder if the piston is at the top dead center?
Clearance volume
41
The direct type of power transmission system has _____ efficiency.
100%
42
It is the power developed by the engine of a tractor which is available for pulling, dragging or similar tractive effort.
Drawbar horsepower
43
How many times greater is the power of a carabao over man?
10
44
Part of the moldboard plow bottom that receives the furrowlice , lifts, inverts and throws it to one side is called ____
Moldboard
45
General-purpose tillage involves cutting and pulverizing the soil to a depth of _____.
Up to 6 inches
46
The gearbox placed on first gear will develop _____.
High torque – low speed
47
This rating is given to diesel fuels for their ability to burn without detonating as compared with the performance of reference fuels.
Cetane rating
48
In an ideal Diesel engine, the combustion of fuel occurs at _______.
Constant pressure
49
It is a device used to reduce the toxicity of emissions from an internal combustion engine. It works by providing an environment for a chemical reaction wherein toxic combustion by-products are converted to less-toxic substances.
Catalytic converter
50
In oxyacetylene welding, the shorter but larger diameter storage tank is for ____
Acetylene
51
Grooves or teeth on a shaft that matches up with grooves on another component to transmit torque.
Spline
52
A gasoline engine operating at 2500 rpm is used to drive a burr mill that turns at 500 rpm. The pulley diameter of the mill is 8 inches. What is the recommended pulley for the engine?
2 in
53
What is the piston displacement volume in liters of a four-stroke cycle 4-cylinder 15 × 18 cm engine rotating at 2000 rpm.
12.72
54
Determine the required number of tractor(s) needed to plow 50 hectares of land that must be finished in 10 days (8 hrs/day), with a speed of travel of 5 kph, effective width of 4 meters, and an efficiency of 80%.
1
55
If the specific yield of a particular well is 3 gpm/ft drawdown and the discharge rate of the pump is 30gpm, the total drawdown is___
10ft
56
Tractor A can cover a 1-Ha field in 2 hrs, tractor B in 3 hrs, and tractor C in 6 hrs. How long will it take to cover a 1-Ha field if the three tractors worked together?
1 hr
57
Determine the theoretical field capacity when a tractor operating at 6.4 kph is pulling four-36 cm moldboard plow bottoms at a depth of 20 cm.
7.2 ha/day
58
What is the theoretical field capacity of a 3-m combine traveling at 100 meters in 52 seconds?
2.08 ha/hr
59
The application rate of a certain chemical is recommended at 4 kg/ha. The calibration test of a 16-liter knapsack sprayer is as follows: Nozzle discharge = 1.2 liters/min, swath = 1.5 m and walking speed = 20 m/min. Determine the total volume of water applied per hectare:
400L
60
Upon regularly checking the engine, some problems were observed such as black exhaust gas, overheating, white exhaust gas and discharging of the battery. What makes the black exhaust gas?
Clogged filter
61
Upon regularly checking the engine, some problems were observed such as black exhaust gas, overheating, white exhaust gas and discharging of the battery. What makes the white exhaust gas?
Excessive engine oil
62
Upon regularly checking the engine, some problems were observed such as black exhaust gas, overheating, white exhaust gas and discharging of the battery. What makes the overheating?
Insufficient water in radiator
63
Upon regularly checking the engine, some problems were observed such as black exhaust gas, overheating, white exhaust gas and discharging of the battery. What makes the discharging of the battery?
Faulty alternator
64
A pump is drawing water from a river 10 m below, discharging 5 lps to a rice field 5 m below the elevation of the pump. Shaft has a torque of 0.5 kg.m and has a speed of 1500 rpm. Compute the total dynamic head
15m
65
A palay buy-and-sell station accumulated and utilized the following costs in a year of operation. Cost for buying palay – 5,000,000 Payment for loans - 200,000 Salaries and other cost-300,000 Training - 50,000 Which is the fixed cost?
200,000
66
A palay buy-and-sell station accumulated and utilized the following costs in a year of operation. Cost for buying palay – 5,000,000 Payment for loans - 200,000 Salaries and other cost-300,000 Training - 50,000 Which is the incremental cost?
50,000
67
A palay buy-and-sell station accumulated and utilized the following costs in a year of operation. Cost for buying palay – 5,000,000 Payment for loans - 200,000 Salaries and other cost-300,000 Training - 50,000 Which is the variable cost?
5,000,000
68
A palay buy-and-sell station accumulated and utilized the following costs in a year of operation. Cost for buying palay – 5,000,000 Payment for loans - 200,000 Salaries and other cost-300,000 Training - 50,000 Which is the overhead cost?
300,000
69
tillage equipment with 88-74% field efficiency and 5-9 kph operating speed.
moldboard plow
70
tillage equipment with 90-77% field efficiency and 6-10 kph operating speed.
disk harrow
71
tillage equipment with 83-65% field efficiency and 6-12 kph operating speed.
spring-tooth harrow
72
tillage equipment with 90-75% field efficiency and 6-9 kph operating speed.
field cultivator, chisel plow
73
equipment with 90-68% field efficiency and 3-9 kph operating speed.
row crop cultivator
74
equipment with 88-80% field efficiency and 9-20 kph operating speed.
rotary hoe
75
Parameter not required in determining the field capacity of a planter:
No. of seeds per hill
76
Select two consecutive farm operations which when done mechanically can increase cropping intensity:
harvesting – plowing
77
The three main sources of power for mechanization include:
human, animal & mechanical
78
A type of gas producer which has the ability to gasify wet fuel.
Updraft
79
Rice hull gasifier efficiency normally ranged from:
50-70 %
80
A 1.2-m wide floating tiller is used for rotary tilling/puddling a 24-m X42-m wetland paddy field. The average speed of travel is 3 kph and turning at the headlands takes 10 seconds. What is the field efficiency if the field is worked along its length?
84 %
81
The burning efficiency of rice hull furnaces is between:
90 and less than 100
82
The thermal efficiency of rice hull furnaces is between
40-70 %
83
Situation where a change in price does not lead to change in demand.
Perfectly inelastic