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০০। 277 per hectare application rate of low volume sprayer is:
- ক) 2 litres
- খ) 3 litres
- গ) 4 litres
- ঘ) 5 litres
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০১। A 0.2 mm diameter particles are counted as:
- ক) Saltation particles
- খ) Particles of surface creep
- গ) Suspension particles
- ঘ) None of these
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০২। A 24-litre capacity bucket is filled in 12 seconds by the discharge of Persian wheel, then the rate of flow is:
- ক) 2 lit/min
- খ) 20 lit/min
- গ) 120 lit/min
- ঘ) None of these
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০৩। A 3.6 to 4.5 kg dust is enough for dusting of:
- ক) 0.2-0.4 ha
- খ) 0.4-0.6 ha
- গ) 0.5-0.7 ha
- ঘ) 0.0-0.8 ha
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০৪। A angle through which the Earth must turn to bring the meridian of a point directly in time with sunrays is:
- ক) Altitude angle
- খ) Zenith angle
- গ) Hour angle
- ঘ) Solar azimuth angle
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০৫। A aquifer found between impermeable layer is:
- ক) Non-artsian aquifer
- খ) Artesian aquifer
- গ) Unconfined aquifer
- ঘ) Free aquifer
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০৬। A bearing used in belt conveyor is:
- ক) Friction
- খ) Antifriction
- গ) Bush
- ঘ) Ball
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০৭। A biogas production starts falling at an atmospheric temperature of:
- ক) 15?C
- খ) 20?C
- গ) 25?C
- ঘ) 30?C
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০৮। A brick or stone masonry linings are recommended for lining watercourses from channels where discharge is:
- ক) Less than 30 lit/sec
- খ) More than 30 lit/min
- গ) Only 30 lit/sec
- ঘ) None of these
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০৯। A bullock drawn harrows mostly have:
- ক) Rigid tynes
- খ) Flexible tynes
- গ) Both rigid and flexible tynes
- ঘ) None of these
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১০। A bullock drawn implement has:
- ক) Higher speed and higher working capacity
- খ) Lower speed and lower working capacity
- গ) Higher speed and lower working capacity
- ঘ) Lower speed and higher working capacity
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১১। A bullock-drawn mower, the power transmitted to the axle is through:
- ক) Transport wheel
- খ) Star wheel
- গ) Gauge wheel
- ঘ) All are correct
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১২। A capacity of centrifugal dehusker is about:
- ক) 450 kg/h
- খ) 500 kg/h
- গ) 550 kg/h
- ঘ) 600 kg/hr
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১৩। A chemical used in the battery for reaction is:
- ক) Electrolyte
- খ) Distilled water
- গ) Both (a) & (b)
- ঘ) None of these
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১৪। A cipoletti weir has a breadth of 60 cm at its crest and head of water flowing over the crest is 30 cm, the discharge of weir will be:
- ক) 180 lit/sec
- খ) 180 lit/min
- গ) 186 lit/sec
- ঘ) 183 lit/min
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১৫। A clutch used in power tiller is:
- ক) Single disk clutch
- খ) Double disk clutch
- গ) Dog clutch
- ঘ) Dual plate clutch
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১৬। A completely saturated aquifer is:
- ক) Free aquifer
- খ) Artesian aquifer
- গ) Leaky aquifer
- ঘ) Non-artesian aquifer
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১৭। A connecting rod of four-stroke engines is subjected to:
- ক) Compression and tension
- খ) Compression and side thrust
- গ) Side thrust only
- ঘ) Compression and twisting
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১৮। A connecting rod of tractor is made of:
- ক) High carbon steel
- খ) Cast iron
- গ) Mild steel
- ঘ) Forged steel
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১৯। A container of battery is made of:
- ক) Steel
- খ) Cast iron
- গ) Rubber
- ঘ) Plastic