AGRICULTURAL ENGINEERING- PAGE 5
AGRICULTURAL ENGINEERING MCQS
1. The best way of avoiding accident is by (A) doing work in ancient way (B) doing work in one’s own way (C) observing safety rules related to job, machine and work piece (D) using safety equipment
Ans: C
2. Fire is a combination of (A) fuel, light and oxygen (B) fuel, heat and carbon dioxide (C) fuel, light and nitrogen (D) fuel, heat and oxygen
Ans: D
3. Which of the following is not the part of a combination set ? (A) stock (B) protractor head (C) square head (D) centre head
Ans: A
4. The length of the hammer handle for a 500 gm hammer should be about (A) 275mm (B) 375 mm (C) 350 mm (D) 325 mm
Ans: D
5. The jaw plates of a bench vice are made of (A) Tool steel (B) Mild steel (C) Low carbon steel (D) Bronze
Ans: A
6. A depth micrometer can be used to measure wide range of sizes because (A) it has lengthy spindle (B) it has lengthy sleeve (C) it is equipped with a number of extension rods (D) it has an adjustable base.
Ans: C
7. cyaniding and nitriding are two methods of ________. (A) hardening (B) case hardening (C) tempering (D) normalizing
Ans: B
8. What is determined while measuring a component ? (A) Scale size (B) Actual size (C) Specified size (D) Nominal size
Ans: D
9. Ratchet stop in the micrometer helps to (A) lock the spindle (B) adjust zero error (C) hold the work piece (D) control the pressure
Ans: C
10. The drill sleeves or sockets are available with morse taper and their number range M T-1 to M T-6 which one of the following drill sizes refers to M T-4 ?
(A) drills above 14 mm up to 23 mm (B) drills above 23 mm up to 31.75 mm
(C) drills above 31.75 mm up to 50.50 mm (D) drills above 50.50 mm to 76 mm
Ans: C
11. Both edges of flat bastard file have (A) no cut (B) wavy cut teeth (C) single cut teeth (D) double cut teeth
Ans: C
12. The distance a drill advances into the job in one complete revolution is known as (A) rpm (B) machine speed (C) cutting speed (D) feed
Ans: D
13. Pure semi conductors are known as ________. (A) extrinsic (B) N Type (C) P type (D) intrinsic
Ans: D
14. A given component cracked after heat treatment. What can be the possible reason ?
(A) It was heated for long time _________. (B) It was not properly cleaned before heating _________.
(C) It was slowly cooled in air _________. (D) It was suddenly cooled in brine _________.
Ans: D
15. Kirchhoff’s law is not applicable to
(A) distributed parameters (B) passive elements (C) Non-linear resistance (D) A.C. circuits
Ans: A
16. Which of the following inductor will have the least eddy current loss ? (A) iron core (B) air core (C) cast iron core (D) powdered iron core
Ans: B
17. MCCB stands for (A) Mounted Case Circuit Breaker (B) Metal Case Circuit Breaker (C) Moulded Case Circuit Breaker (D) Main Controlled Circuit Breaker
Ans: C
18. A delay fuse is used for the protection of (A) 3 phase motor (B) fluorescent tube circuit (C) water heater (D) alternators
Ans: A
19. Basic gates are (A) AND, OR, NOT (B) AND, XOR, NOR (C) AND, NAND, NOT (D) XOR, OR, NOR
Ans: A
20. A dye penetration test is done to find ________. (A) under cut (B) cracks (C) slag inclusion (D) porosity
Ans: B
21. The arc in electric arc welding is a discharge of ________. (A) high voltage & high current (B) low voltage & high current (C) high voltage & low current (D) low voltage and low current
Ans: B
22. To measure the thickness of sheet ________ is used (A) SWG (B) radius gauge (C) steel rule (D) vernier caliper
Ans: A
23. Which one is example of plastic welding ? (A) Arc welding (B) forge welding (C) Gas welding (D) Thermit welding
Ans: B
24. Which system as per Indian standard in fits and limit permit shaft size constant and hole size variable ? (A) Hole basis system (B) Shaft basis system (C) Deviation based system (D) BIS system of fit and limits
Ans: B
25. While installing new piston rings, the ring end gap is tested after placing the ring in (A) Piston (B) In a vice (C) Cylinder bore (D) In special fixture
Ans: C
26. In semi floating piston pin – (A) Pin free to move in boss and locked with connecting rod (B) Pin locked with boss and connecting rod is free (C) Both connecting rod and pin are free to move (D) Set screw provided on boss and connecting rod bolted with pin
Ans: A
27. In turbo charged system, an inter cooler is provided to (A) Cool the engine (B) Cool the exhaust gas (C) Cool the intake gas (D) All of these
Ans: C
28. In modern common rail injection system, the common rail stores the diesel fuel with high pressure around (A) 100 bar (B) 500 bar (C) 1500 bar (D) 10000 bar
Ans: C
29. A catalytic convertor in the emission control system (A) Collect the unburned gases and recirculates to the engine (B) Convert the toxic gases to non-toxic (C) Store the toxic gases and should dispose later (D) Allows reaching atmosphere
Ans: B
30. The mechanical power of a tractor can use to drive an air compressor. The drive is taken out from (A) PTO shaft (B) Gear box output shaft (C) Fly wheel (D) Axle shaft
Ans: A
31. The rear wheel track of a tractor can be adjusted by (A) Altering the length of axle shaft (B) Altering length of axle casing (C) Altering the wheels (D) Altering the position of wheel disc
Ans: D
32. Differential lock is the mechanism provided to lock (A) The axle halves each other (B) The gear box and differential (C) Axle and wheel (D) Propeller and differential
Ans: A
33. The defect occurred in the hydraulic brake system when air trapped in the fluid lines (A) Hard brake (B) Spongy brake (C) Brake dragging (D) Noise while braking
Ans: B
34. The backward tilt of king pin to the vertical is called (A) King pin inclination (B) King pin tilt (C) Caster angle (D) Camber angle
Ans: C
35. In the air brake system, the brake can be adjusted at (A) Brake shoe (B) Brake chamber (C) Brake valve (D) Slack adjuster
Ans: D
36. In the disc of a friction clutch, the torsional vibration is absorbed by a series of heavy (A) Cushion bolts (B) Coil springs (C) Waved pads (D) Friction pads
Ans: B
37. The purpose of the caster angle on an automobile is to (A) Prevent tyre wear (B) Better tyre-road contact (C) Compensate tyre wear (D) Maintain directional control
Ans: D
38. The diameter of crank shaft main bearing shell is always more than the diameter of its parent bore and is called (A) Spread (B) Crush (C) Lash (D) Lift
Ans: A
39. Why the bunds are formed using bund former in the irrigated land ? (A) To conserve soil (B) To prevent run off (C) To increase moisture (D) To plant or sow seeds
Ans: D
40. An acceptable uniformity coefficient for sprinkler irrigation is ________ %. (A) 65 – 85 (B) 100 (C) 20 – 30 (D) More than 85
Ans: D
41. Engine displacement is measured in (A) Kilogram metre (B) Square metre (C) Cubic centimetre (D) Pounds inch
Ans: C
42. Steering clutches are employed for which type of machinery ? (A) Bulldozer (B) Excavator (C) Two wheeled tractor (D) Four wheeled tractor
Ans: C
43. The lubricating oil pressure of engine is adjusted at (A) In pressure gauge (B) Main bearing clearance (C) By pass valve (D) Pressure relief valve
Ans: D
44. While making a compression test, the purpose of squirting a small amount of engine oil through the spark plug hole is to (A) Lubricate the cylinders and pistons (B) See whether compression pressure increases (C) Increase the vacuum (D) For easy installation of spark plug
Ans: B
45. Irregular missing in different cylinders may result from (A) Defective starting motor (B) Defective carburetor (C) Detective fan belt (D) Defective battery
Ans: B
46. A light double knock during idle can result from (A) Piston slap (B) Sprocket knock (C) Incorrect valve clearance (D) Loose or worn piston pin
Ans: D
47. The advantage of engine with hydraulic valve lifter is (A) Valve clearance adjustment is not required (B) Less mechanical components for valve operation (C) More fuel efficiency (D) Low initial cost
Ans: A
48. The bottom hose of radiator will collapse in due to (A) Lack of coolant (B) Overheated coolant (C) Stuck thermostat (D) Stuck pressure valve
Ans: A
49. The process of separating quality grain from chaff is called (A) Cleaning (B) Winnowing (C) Separation (D) Grading
Ans: B
50. A ________ implement can be quickly attached to or detached from a tractor. (A) Mounted implement (B) Semi-mounted implement (C) Trailed implement (D) Fixed implement
Ans: C
Ans: C
2. Fire is a combination of (A) fuel, light and oxygen (B) fuel, heat and carbon dioxide (C) fuel, light and nitrogen (D) fuel, heat and oxygen
Ans: D
3. Which of the following is not the part of a combination set ? (A) stock (B) protractor head (C) square head (D) centre head
Ans: A
4. The length of the hammer handle for a 500 gm hammer should be about (A) 275mm (B) 375 mm (C) 350 mm (D) 325 mm
Ans: D
5. The jaw plates of a bench vice are made of (A) Tool steel (B) Mild steel (C) Low carbon steel (D) Bronze
Ans: A
6. A depth micrometer can be used to measure wide range of sizes because (A) it has lengthy spindle (B) it has lengthy sleeve (C) it is equipped with a number of extension rods (D) it has an adjustable base.
Ans: C
7. cyaniding and nitriding are two methods of ________. (A) hardening (B) case hardening (C) tempering (D) normalizing
Ans: B
8. What is determined while measuring a component ? (A) Scale size (B) Actual size (C) Specified size (D) Nominal size
Ans: D
9. Ratchet stop in the micrometer helps to (A) lock the spindle (B) adjust zero error (C) hold the work piece (D) control the pressure
Ans: C
10. The drill sleeves or sockets are available with morse taper and their number range M T-1 to M T-6 which one of the following drill sizes refers to M T-4 ?
(A) drills above 14 mm up to 23 mm (B) drills above 23 mm up to 31.75 mm
(C) drills above 31.75 mm up to 50.50 mm (D) drills above 50.50 mm to 76 mm
Ans: C
11. Both edges of flat bastard file have (A) no cut (B) wavy cut teeth (C) single cut teeth (D) double cut teeth
Ans: C
12. The distance a drill advances into the job in one complete revolution is known as (A) rpm (B) machine speed (C) cutting speed (D) feed
Ans: D
13. Pure semi conductors are known as ________. (A) extrinsic (B) N Type (C) P type (D) intrinsic
Ans: D
14. A given component cracked after heat treatment. What can be the possible reason ?
(A) It was heated for long time _________. (B) It was not properly cleaned before heating _________.
(C) It was slowly cooled in air _________. (D) It was suddenly cooled in brine _________.
Ans: D
15. Kirchhoff’s law is not applicable to
(A) distributed parameters (B) passive elements (C) Non-linear resistance (D) A.C. circuits
Ans: A
16. Which of the following inductor will have the least eddy current loss ? (A) iron core (B) air core (C) cast iron core (D) powdered iron core
Ans: B
17. MCCB stands for (A) Mounted Case Circuit Breaker (B) Metal Case Circuit Breaker (C) Moulded Case Circuit Breaker (D) Main Controlled Circuit Breaker
Ans: C
18. A delay fuse is used for the protection of (A) 3 phase motor (B) fluorescent tube circuit (C) water heater (D) alternators
Ans: A
19. Basic gates are (A) AND, OR, NOT (B) AND, XOR, NOR (C) AND, NAND, NOT (D) XOR, OR, NOR
Ans: A
20. A dye penetration test is done to find ________. (A) under cut (B) cracks (C) slag inclusion (D) porosity
Ans: B
21. The arc in electric arc welding is a discharge of ________. (A) high voltage & high current (B) low voltage & high current (C) high voltage & low current (D) low voltage and low current
Ans: B
22. To measure the thickness of sheet ________ is used (A) SWG (B) radius gauge (C) steel rule (D) vernier caliper
Ans: A
23. Which one is example of plastic welding ? (A) Arc welding (B) forge welding (C) Gas welding (D) Thermit welding
Ans: B
24. Which system as per Indian standard in fits and limit permit shaft size constant and hole size variable ? (A) Hole basis system (B) Shaft basis system (C) Deviation based system (D) BIS system of fit and limits
Ans: B
25. While installing new piston rings, the ring end gap is tested after placing the ring in (A) Piston (B) In a vice (C) Cylinder bore (D) In special fixture
Ans: C
26. In semi floating piston pin – (A) Pin free to move in boss and locked with connecting rod (B) Pin locked with boss and connecting rod is free (C) Both connecting rod and pin are free to move (D) Set screw provided on boss and connecting rod bolted with pin
Ans: A
27. In turbo charged system, an inter cooler is provided to (A) Cool the engine (B) Cool the exhaust gas (C) Cool the intake gas (D) All of these
Ans: C
28. In modern common rail injection system, the common rail stores the diesel fuel with high pressure around (A) 100 bar (B) 500 bar (C) 1500 bar (D) 10000 bar
Ans: C
29. A catalytic convertor in the emission control system (A) Collect the unburned gases and recirculates to the engine (B) Convert the toxic gases to non-toxic (C) Store the toxic gases and should dispose later (D) Allows reaching atmosphere
Ans: B
30. The mechanical power of a tractor can use to drive an air compressor. The drive is taken out from (A) PTO shaft (B) Gear box output shaft (C) Fly wheel (D) Axle shaft
Ans: A
31. The rear wheel track of a tractor can be adjusted by (A) Altering the length of axle shaft (B) Altering length of axle casing (C) Altering the wheels (D) Altering the position of wheel disc
Ans: D
32. Differential lock is the mechanism provided to lock (A) The axle halves each other (B) The gear box and differential (C) Axle and wheel (D) Propeller and differential
Ans: A
33. The defect occurred in the hydraulic brake system when air trapped in the fluid lines (A) Hard brake (B) Spongy brake (C) Brake dragging (D) Noise while braking
Ans: B
34. The backward tilt of king pin to the vertical is called (A) King pin inclination (B) King pin tilt (C) Caster angle (D) Camber angle
Ans: C
35. In the air brake system, the brake can be adjusted at (A) Brake shoe (B) Brake chamber (C) Brake valve (D) Slack adjuster
Ans: D
36. In the disc of a friction clutch, the torsional vibration is absorbed by a series of heavy (A) Cushion bolts (B) Coil springs (C) Waved pads (D) Friction pads
Ans: B
37. The purpose of the caster angle on an automobile is to (A) Prevent tyre wear (B) Better tyre-road contact (C) Compensate tyre wear (D) Maintain directional control
Ans: D
38. The diameter of crank shaft main bearing shell is always more than the diameter of its parent bore and is called (A) Spread (B) Crush (C) Lash (D) Lift
Ans: A
39. Why the bunds are formed using bund former in the irrigated land ? (A) To conserve soil (B) To prevent run off (C) To increase moisture (D) To plant or sow seeds
Ans: D
40. An acceptable uniformity coefficient for sprinkler irrigation is ________ %. (A) 65 – 85 (B) 100 (C) 20 – 30 (D) More than 85
Ans: D
41. Engine displacement is measured in (A) Kilogram metre (B) Square metre (C) Cubic centimetre (D) Pounds inch
Ans: C
42. Steering clutches are employed for which type of machinery ? (A) Bulldozer (B) Excavator (C) Two wheeled tractor (D) Four wheeled tractor
Ans: C
43. The lubricating oil pressure of engine is adjusted at (A) In pressure gauge (B) Main bearing clearance (C) By pass valve (D) Pressure relief valve
Ans: D
44. While making a compression test, the purpose of squirting a small amount of engine oil through the spark plug hole is to (A) Lubricate the cylinders and pistons (B) See whether compression pressure increases (C) Increase the vacuum (D) For easy installation of spark plug
Ans: B
45. Irregular missing in different cylinders may result from (A) Defective starting motor (B) Defective carburetor (C) Detective fan belt (D) Defective battery
Ans: B
46. A light double knock during idle can result from (A) Piston slap (B) Sprocket knock (C) Incorrect valve clearance (D) Loose or worn piston pin
Ans: D
47. The advantage of engine with hydraulic valve lifter is (A) Valve clearance adjustment is not required (B) Less mechanical components for valve operation (C) More fuel efficiency (D) Low initial cost
Ans: A
48. The bottom hose of radiator will collapse in due to (A) Lack of coolant (B) Overheated coolant (C) Stuck thermostat (D) Stuck pressure valve
Ans: A
49. The process of separating quality grain from chaff is called (A) Cleaning (B) Winnowing (C) Separation (D) Grading
Ans: B
50. A ________ implement can be quickly attached to or detached from a tractor. (A) Mounted implement (B) Semi-mounted implement (C) Trailed implement (D) Fixed implement
Ans: C
51. The long wooden piece connecting main body of an indigenous plough to its yoke is called (A) Handle (B) Share (C) Shoe (D) Beam
Ans: D
52. The method of planting in which the row to row and plant to plant distances are equal and uniform is known as (A) Drilling (B) Check row planting (C) Hill dropping (D) All of these
Ans: B
53. An indigenous plough cuts the soil in a ________ section. (A) Trapezoidal (B) Rectangular (C) Semi-circular (D) Parabolic
Ans: A
54. ________and ________ are the main adjustments of the cutter bar of a mower. (A) Registration and vertical height (B) Alignment and speed (C) Pitman and shoe length (D) Registration and alignment
Ans: D
55. A ________ type mould board works in light sticky soils. (A) Stubble (B) Slat (C) Sod (D) High speed
Ans: B
56. The attachment in mould board ploughs that is used to cut trash and prevent clogging is (A) Coulter (B) Jointer (C) Gauge wheel (D) Weed hook
Ans: A
57. ________ ploughs are preferred in areas with dry climate and rough and stony soils. (A) Mould board plough (B) Indigenous plough (C) Disc plough (D) Bose plough
Ans: C
58. The method of ploughing where the second furrow is made adjacent to the first one and so on is called (A) Side to centre ploughing (B) Cross ploughing (C) Adjacent ploughing (D) Centre to side ploughing
Ans: D
59. In a disc plough, penetration can be increased by (I) Increasing disc angle, (II) Increasing tilt angle, (III) Adding weights. State which is true. (A) Only (I) (B) Only (II) (C) (I), (II) and (III) (D) None of these
Ans: C
60. In tractor operated mould board plough, depth adjustment is done on (A) Mould board (B) Rear furrow wheel (C) Share (D) Landside
Ans: B
61. Tandem disc harrows have ________ gangs. (A) Two (B) Three (C) Four (D) Six
Ans: C
62. Disc spacing in a disc harrow is (A) 10 – 15 cm (B) 15 – 25 cm (C) 5 – 10 cm (D) 10 – 20 cm
Ans: B
63. The adjustments made on cultivator shovels are (I) setting for proper row width (II) setting for depth or levelling (III) turning shovel on type to throw required soil (A) Only (I) (B) Only (II) (C) Only (III) (D) (I), (II) and (III)
Ans: D
64. The subsoiler ploughs up to a depth of (A) 25 – 35 cm (B) 15 – 30 cm (C) 60 – 70 cm (D) More than 100 cm
Ans: C
65. The angle at which the cutting blade of a chisel plough enters the soil is (A) 40 degrees (B) 30 degrees (C) 20 degrees (D) 60 degrees
Ans: A
66. Fluted roller metering mechanism is suitable for (A) Precision planting (B) Big sized seeds (C) Bulk metering (D) None of these
Ans: C
67. ________ are provided in seed drills to help in placing seeds at uniform and desired depth and spacing (A) Seed tubes (B) Furrow openers (C) Seed metering mechanism (D) None of these
Ans: B
68. Mould board is generally made of (A) Soft centre steel (B) High carbon steel (C) Mild steel (D) Iron
Ans: B
69. Checking the application rate and pattern of dispersal of agricultural materials by a machine is called (A) Spacing (B) Spraying patterns (C) Calibration (D) None of these
Ans: C
70. Weight per disc of a tractor drawn disc plough ranges from (A) 180 – 540 kg (B) 25 – 30 kg (C) 250 – 300 kg (D) 50 – 100 kg
Ans: A
71. FarmTrac is the brand name of tractor manufactured by (A) Escorts Ltd. (B) Force Motors Ltd. (C) HMT Ltd. (D) Mahindra and Mahindra Ltd.
Ans: A
72. In a tubular maize sheller, separation occurs due to (A) Impact (B) Shear (C) Oscillation (D) Beating
Ans: B
Ans: D
52. The method of planting in which the row to row and plant to plant distances are equal and uniform is known as (A) Drilling (B) Check row planting (C) Hill dropping (D) All of these
Ans: B
53. An indigenous plough cuts the soil in a ________ section. (A) Trapezoidal (B) Rectangular (C) Semi-circular (D) Parabolic
Ans: A
54. ________and ________ are the main adjustments of the cutter bar of a mower. (A) Registration and vertical height (B) Alignment and speed (C) Pitman and shoe length (D) Registration and alignment
Ans: D
55. A ________ type mould board works in light sticky soils. (A) Stubble (B) Slat (C) Sod (D) High speed
Ans: B
56. The attachment in mould board ploughs that is used to cut trash and prevent clogging is (A) Coulter (B) Jointer (C) Gauge wheel (D) Weed hook
Ans: A
57. ________ ploughs are preferred in areas with dry climate and rough and stony soils. (A) Mould board plough (B) Indigenous plough (C) Disc plough (D) Bose plough
Ans: C
58. The method of ploughing where the second furrow is made adjacent to the first one and so on is called (A) Side to centre ploughing (B) Cross ploughing (C) Adjacent ploughing (D) Centre to side ploughing
Ans: D
59. In a disc plough, penetration can be increased by (I) Increasing disc angle, (II) Increasing tilt angle, (III) Adding weights. State which is true. (A) Only (I) (B) Only (II) (C) (I), (II) and (III) (D) None of these
Ans: C
60. In tractor operated mould board plough, depth adjustment is done on (A) Mould board (B) Rear furrow wheel (C) Share (D) Landside
Ans: B
61. Tandem disc harrows have ________ gangs. (A) Two (B) Three (C) Four (D) Six
Ans: C
62. Disc spacing in a disc harrow is (A) 10 – 15 cm (B) 15 – 25 cm (C) 5 – 10 cm (D) 10 – 20 cm
Ans: B
63. The adjustments made on cultivator shovels are (I) setting for proper row width (II) setting for depth or levelling (III) turning shovel on type to throw required soil (A) Only (I) (B) Only (II) (C) Only (III) (D) (I), (II) and (III)
Ans: D
64. The subsoiler ploughs up to a depth of (A) 25 – 35 cm (B) 15 – 30 cm (C) 60 – 70 cm (D) More than 100 cm
Ans: C
65. The angle at which the cutting blade of a chisel plough enters the soil is (A) 40 degrees (B) 30 degrees (C) 20 degrees (D) 60 degrees
Ans: A
66. Fluted roller metering mechanism is suitable for (A) Precision planting (B) Big sized seeds (C) Bulk metering (D) None of these
Ans: C
67. ________ are provided in seed drills to help in placing seeds at uniform and desired depth and spacing (A) Seed tubes (B) Furrow openers (C) Seed metering mechanism (D) None of these
Ans: B
68. Mould board is generally made of (A) Soft centre steel (B) High carbon steel (C) Mild steel (D) Iron
Ans: B
69. Checking the application rate and pattern of dispersal of agricultural materials by a machine is called (A) Spacing (B) Spraying patterns (C) Calibration (D) None of these
Ans: C
70. Weight per disc of a tractor drawn disc plough ranges from (A) 180 – 540 kg (B) 25 – 30 kg (C) 250 – 300 kg (D) 50 – 100 kg
Ans: A
71. FarmTrac is the brand name of tractor manufactured by (A) Escorts Ltd. (B) Force Motors Ltd. (C) HMT Ltd. (D) Mahindra and Mahindra Ltd.
Ans: A
72. In a tubular maize sheller, separation occurs due to (A) Impact (B) Shear (C) Oscillation (D) Beating
Ans: B