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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Farm Machinery knowledge and support exam preparation. Choose a topic below to get started.
1. |
Who invented the first lawn mower? |
A. | Albert Einstein |
B. | Buzz Aldrin |
C. | Edwin Budding |
D. | Yuri Gagarin |
Answer» D. Yuri Gagarin | |
2. |
In mower, the pitman transmits the motion to the ___________ |
A. | Knife head |
B. | Knife middle |
C. | Knife back |
D. | Knife end |
Answer» B. Knife middle | |
3. |
In cutter bar of mower, the knife sections are revitted to the ___________ |
A. | Knife back |
B. | Reciprocating fingers |
C. | Stationary bar |
D. | Cylindrical drum |
Answer» B. Reciprocating fingers | |
4. |
In mower, the grass board is provided at the ___________ |
A. | Cutter end |
B. | Knife end |
C. | Knife back |
D. | Reciprocating fingers |
Answer» B. Knife end | |
5. |
In cutter bar of mower, the knife head is attached to the ___________ |
A. | Knife back |
B. | Cutter end |
C. | Starting point of cutting edge |
D. | Reciprocating fingers |
Answer» B. Cutter end | |
6. |
In flail mower, the cutting section contains ___________ |
A. | Cutter bar |
B. | Swinging knives |
C. | Fixed knives |
D. | Reciprocating fingers only |
Answer» C. Fixed knives | |
7. |
A gang mower is the group of ___________ |
A. | 2 or more cylindrical mowers |
B. | 5 mowers |
C. | 2 mowers |
D. | 10 mowers |
Answer» B. 5 mowers | |
8. |
The most common mower, amongst the following is ___________ |
A. | Reciprocating mower |
B. | Lawn mower |
C. | Cylindrical mower |
D. | Horizontal mower |
Answer» B. Lawn mower | |
9. |
A disc type mower is operated by PTO with 6 discs with a shaft of 0.4 m/disc. The specific energy required for cutting is 2.1 KJ/m2 and specific power losses due to air come stubble and gear train friction is 2 kw/m of cutting width. If the mower with tractor requires a propelling force of 2 KN the total power requirement for carrying out moving in Kw at forward speed of 3 km/h is ____ |
A. | 10.67 |
B. | 20.67 |
C. | 30.67 |
D. | 40.67 |
Answer» B. 20.67 | |
10. |
How many revolutions will each spindle of cotton picker make in the picking zone for a chain belt arrangement in which the speed of spindle is 1400 rpm and remains in the picking zone during 100 cm of forward travel. |
A. | 50 |
B. | 21 |
C. | 45 |
D. | 11 |
Answer» C. 45 | |
11. |
A 2m mower is operating at 3.5 km/h with an overall efficiency of 75%. Calculate the area covered by it in ha/h. |
A. | 0.525 |
B. | 0.625 |
C. | 0.725 |
D. | 0.825 |
Answer» B. 0.625 | |
12. |
A mower has driven wheel of 60 cm diameter. The crank of mower makes 550 rpm, when it is driven by a tractor at a speed of 2 km/h. If speed ratio between the crank wheel and land wheel is changed to 27:1, calculate the increase in speed of mower to maintain the same speed of crank. |
A. | 0.20 km/h |
B. | 0.304 km/h |
C. | 1.402 km/h |
D. | 1.36 km/h |
Answer» C. 1.402 km/h | |
13. |
How many hectares of grass per day of 15 hours can be cut by a mower being operated at the speed of 4.5 km/h and with 4 m cutter bar. |
A. | 20 |
B. | 22 |
C. | 27 |
D. | 16 |
Answer» D. 16 | |
14. |
What horsepower will be required to pull 1.2 m mower working at the speed of 5 km/m length of the mower ad mechanical efficiency is 85%? |
A. | 1.56 |
B. | 2.56 |
C. | 3.56 |
D. | 4.56 |
Answer» B. 2.56 | |
15. |
Calculate the total time required to harvest 4 hectares of grass by means of a 2mm mower being operated at the speed of 4 km/h. Assume field efficiency of mower as 75%? |
A. | 4.67 hr |
B. | 5.67 hr |
C. | 6.67 hr |
D. | 7.67 hr |
Answer» D. 7.67 hr | |