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Farm Machinery Mcqs

Q:

A cylinder type chaff cutter head in a direct throw field chopper has 5 knives and diameter as 450 mm. The throat size is 40*12 cm for 15 mm theoretical length of cut with corn silage. What will be the rated capacity in megagrams per hours at 100% field efficiency?

A) 1.7 B) 1.08
C) 1.23 D) 1.50
 
Answer & Explanation Answer: B) 1.08

Explanation: Not available for this question

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Q:

A chaff cutter having 2 knives cuts dry hay at 60 rpm giving 580 kg/h. If throat size is 19*16 cm and length of cut is 2.6 cm, what will be the effective density of dry hay?

A) 101.92 kg/m³ B) 105.92 kg/m³
C) 102.94 kg/m³ D) 101.98 kg/m³
 
Answer & Explanation Answer: A) 101.92 kg/m³

Explanation: Not available for this question

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34
Q:

Gear lubricant should be changed ____________

A) At least once in a year B) After 1200 working hours
C) At every 1 month duration D) At least ten times during its entire life
 
Answer & Explanation Answer: A) At least once in a year

Explanation: Lubricants should be changed at least once in a year for proper functioning of the tractor and transmission.

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24
Q:

Miter gear is a type of ________

A) Worm gear B) Bevel gear
C) Helical gear D) Spur gear
 
Answer & Explanation Answer: B) Bevel gear

Explanation: Miter gear is a special class of bevel gear where the shaft intersects at 90° and the gear ratio is 1:1.

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27
Q:

Cream separator has which gear?

A) Bevel B) Spiral
C) Worm D) Spur
 
Answer & Explanation Answer: C) Worm

Explanation: Worm gears are used when high velocity ratios required in a limited space such as cream separator and hand chaff cutter.

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40
Q:

Helical gear is used for transmitting the power between two ___________

A) Parallel shafts B) Inclined shafts
C) Shafts located at long distance D) Shafts at 90°
 
Answer & Explanation Answer: A) Parallel shafts

Explanation: Helical gear is used for transmitting power between parallel shafts and the teeth are inclined to the axis of the wheel which helps in meshing more than two teeth at a time.

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32
Q:

Worm gear is used, when two shafts are at _________

A) Right angles to each other B) Some distance apart
C) Radial direction D) 45 cm apart
 
Answer & Explanation Answer: A) Right angles to each other

Explanation: Worm gear is used when two shafts are at right angles but not intersecting to each other, not to be confused with bevel gear where the axis of two shafts are at right angles and can intersect each other.

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42
Q:

In an epicyclic gear train, one arm carries two wheels A and B having 25 teeth and 35 teeth respectively. If the arm rotates at 100 rpm in clockwise direction about centre of wheel A which is fixed, then speed of wheel on its own axis will be?

A) 141 rpm B) 151 rpm
C) 161 rpm D) 171 rpm
 
Answer & Explanation Answer: D) 171 rpm

Explanation: Not available for this question

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