This type thresher consists of corrugated bars are mounted axially on pheripheri of the cylinder. a. Hammer mill c. Dummy d. None of above

This type thresher consists of corrugated bars are mounted axially on pheripheri of the cylinder. a. Hammer mill c. Dummy d. None of above
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Ans-    b. Raspbar

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This type thresher consists of beater mounted on a shaft which rotates inside a closed casing and concave. a. Hammer mill b. Spike tooth d. None of above

Description : This type thresher consists of beater mounted on a shaft which rotates inside a closed casing and concave. a. Hammer mill b. Spike tooth d. None of above

Last Answer : Ans-                             c. Dummy

The dummy type thresher is also termed as a) Rasp bar type thresher b) Hammer mill type thresher c) Spike tooth type thresher d) Syndicator tooth type thresher

Description : The dummy type thresher is also termed as a) Rasp bar type thresher b) Hammer mill type thresher c) Spike tooth type thresher d) Syndicator tooth type thresher

Last Answer : Hammer mill type thresher

A multi type thresher is equipped with a) Spike tooth cylinder b) Rasp bar cylinder c) Hammer mill cylinder d) All of the above

Description : A multi type thresher is equipped with a) Spike tooth cylinder b) Rasp bar cylinder c) Hammer mill cylinder d) All of the above

Last Answer : All of the above

This type threasher consist of spike tooth cylinder, woven wire mesh concave and upper casing provide with helical louvers. a. Hammer mill c. Dummy d. None of above

Description : This type threasher consist of spike tooth cylinder, woven wire mesh concave and upper casing provide with helical louvers. a. Hammer mill c. Dummy d. None of above

Last Answer : Ans-    b. Axial flow

Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type c) Spike tooth d) Hammer mill

Description : Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type c) Spike tooth d) Hammer mill

Last Answer : a) Raspbar type cylinder

Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type cylinder c) Spike tooth d) Hammer mill

Description : Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type cylinder c) Spike tooth d) Hammer mill

Last Answer : a) Raspbar type cylinder

Axial flow thresher utilises (a) Rasp bar cylinder (b) Spike tooth cylinder (c) Hammer mill cylinder (d) Peg tooth cylinder

Description : Axial flow thresher utilises (a) Rasp bar cylinder (b) Spike tooth cylinder (c) Hammer mill cylinder (d) Peg tooth cylinder

Last Answer : (b) Spike tooth cylinder

This type thresher consists of a flywheel with corrugation on its periphery and sides. Rims of flywheel fitted with chopping blades. b. Axial flow c. Dummy d. None of above

Description : This type thresher consists of a flywheel with corrugation on its periphery and sides. Rims of flywheel fitted with chopping blades. b. Axial flow c. Dummy d. None of above

Last Answer : Ans-    a. Syndicator

Is hammer mill is similar to dummy type, but it is provided with aspirator for cleaning grains. A) True B) False

Description : Is hammer mill is similar to dummy type, but it is provided with aspirator for cleaning grains. A) True B) False

Last Answer : True

are mounted on the Periphery of a cylinder that rotates inside a closed casing and concave. a) Dummy type c) spike-tooth type b) Hummer type d) Axial flow type

Description : are mounted on the Periphery of a cylinder that rotates inside a closed casing and concave. a) Dummy type c) spike-tooth type b) Hummer type d) Axial flow type

Last Answer : spike-tooth type

It consists of beats mounted on a shaft which rotates inside a closed casing and concave. a) Dummy type c) Spike-tooth type c) Hummer type d) Axial flow type

Description : It consists of beats mounted on a shaft which rotates inside a closed casing and concave. a) Dummy type c) Spike-tooth type c) Hummer type d) Axial flow type

Last Answer : Dummy type

t consists of spike tooth cylinder, woven- wire mesh concave and upper casing provided with helical concave. a) Dummy type c) Spike-tooth type b) Hummer type d) Axial flow type

Description : It consists of spike tooth cylinder, woven- wire mesh concave and upper casing provided with helical concave. a) Dummy type c) Spike-tooth type b) Hummer type d) Axial flow type

Last Answer : Axial flow type

The two types of cylinder used on power wheat threshers are: a) Serrated disc and rasp bar b) Spike tooth and wire loop type c) Spike tooth and hammer mill d) Hammer mill and flails

Description : The two types of cylinder used on power wheat threshers are: a) Serrated disc and rasp bar b) Spike tooth and wire loop type c) Spike tooth and hammer mill d) Hammer mill and flails

Last Answer : c) Spike tooth and hammer mill

Identify the picture. a) Hummer mill type b) Spike-tooth type c) Dummy type d) Axial flow type

Description : Identify the picture. a) Hummer mill type b) Spike-tooth type c) Dummy type d) Axial flow type

Last Answer : Hummer mill type

The threshing efficiency of thresher depends on a) Cylinder peripheral speed b) Cylinder concave clearance c) Feed rate, moisture content and type of crop d) All are correct

Description : The threshing efficiency of thresher depends on a) Cylinder peripheral speed b) Cylinder concave clearance c) Feed rate, moisture content and type of crop d) All are correct

Last Answer :  All are correct

Crop factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder types c) Cylinder speed, feed rate d) Cylinder type, feed rate

Description : Crop factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder types c) Cylinder speed, feed rate d) Cylinder type, feed rate

Last Answer : Variety of crop, Moisture in crop material

Operational factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder type c) Cylinder speed, feed rate d) Cylinder type ,feed rate

Description : Operational factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder type c) Cylinder speed, feed rate d) Cylinder type ,feed rate

Last Answer : Cylinder speed, feed rate

Machine factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder type c) Cylinder speed, feed rate d) Cylinder type ,feed rate

Description : Machine factors which affecting thresher preformation. a) Variety of crop, Moisture in crop material b) Feeding chute angle, cylinder type c) Cylinder speed, feed rate d) Cylinder type ,feed rate

Last Answer : Feeding chute angle, cylinder type

An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is (A) 49.9 kg/cm2 (B) 100 kg/cm2 (C) 250 kg/cm2 (D) 175 kg/cm

Description : An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is (A) 49.9 kg/cm2 (B) 100 kg/cm2 (C) 250 kg/cm2 (D) 175 kg/cm

Last Answer : Answer: Option A

In a thresher, by increasing the speed of threshing cylinder a) Threshing efficiency can be increased b) Broken grain loss can be minimized c) Un-threshed grains can be increased d) Straw breakup can be increased Ans. a

Description : In a thresher, by increasing the speed of threshing cylinder a) Threshing efficiency can be increased b) Broken grain loss can be minimized c) Un-threshed grains can be increased d) Straw breakup can be increased Ans. a

Last Answer : ans a

Different parts of Thresher are A) Feeding device B) Threshing cylinder C) Concave D) All of the above.

Description : Different parts of Thresher are A) Feeding device B) Threshing cylinder C) Concave D) All of the above.

Last Answer : All of the above.

The two types of cylinders used on power wheat threshers are 1. Serrated disc and rasp bar 2. Spike tooth and wire loop type 3. Spike tooth and hammer mill 4. hammer mill and flails

Description : The two types of cylinders used on power wheat threshers are 1. Serrated disc and rasp bar 2. Spike tooth and wire loop type 3. Spike tooth and hammer mill 4. hammer mill and flails

Last Answer : ans 3

In threshers what are mounted on the periphery of the cylinder A) Spike tooth type B) Raspbar type C) Syndicator type D) Wire loob type.

Description : In threshers what are mounted on the periphery of the cylinder A) Spike tooth type B) Raspbar type C) Syndicator type D) Wire loob type.

Last Answer : Spike tooth type

Is It Possible To Mount The Compressor Sideways? Must It Be Mounted With The Cylinder Upright?

Description : Is It Possible To Mount The Compressor Sideways? Must It Be Mounted With The Cylinder Upright?

Last Answer : Yes, you can mount our compressors in any direction or position because they are oil-less. The only position we do not recommend is an upside-down mount, since heat tends to travel upward.

Optimum operating cylinder speed for wheat threshing using power operated thresher is a) 300-400rpm b) 400-600rpm c) 600-800rpm d) 1100-1200rpm

Description : Optimum operating cylinder speed for wheat threshing using power operated thresher is a) 300-400rpm b) 400-600rpm c) 600-800rpm d) 1100-1200rpm

Last Answer : d) 1100-1200rpm

Adjustment needed when thresher blows grains with chaff a.) Decreasing cylinder peripheral speed. b.) Increasing cylinder speed. c.) Decreasing feed rate. d.) Increasing cylinder

Description : Adjustment needed when thresher blows grains with chaff a.) Decreasing cylinder peripheral speed. b.) Increasing cylinder speed. c.) Decreasing feed rate. d.) Increasing cylinder

Last Answer : a.) Decreasing cylinder peripheral speed.

Thresher blows broken grains with chaff due to a) Higher cylinder speed. b) More feed Rate c) More cylinder concave clearance d) Moisture content of the crop is more

Description : Thresher blows broken grains with chaff due to a) Higher cylinder speed. b) More feed Rate c) More cylinder concave clearance d) Moisture content of the crop is more

Last Answer : a) Higher cylinder speed.

Cylinder loss in a stationary power thresher can be reduced by increasing the : M. Cylinder peripheral speed N. Concave clearance O. Blower speed P. All of the above

Description : Cylinder loss in a stationary power thresher can be reduced by increasing the : M. Cylinder peCylinder loss in a stationary power thresher can be reduced by increasing the : M. Cylinder peripheral speed N. Concave clearance O. Blower speed P. All of the above

Last Answer : M. Cylinder peripheral speed

The Japanese type rotary thresher is used for threshing a) Paddy b) Wheat c) Sunflower d) Safflower

Description : The Japanese type rotary thresher is used for threshing a) Paddy b) Wheat c) Sunflower d) Safflower

Last Answer : Paddy 

A dash pot consists of a cylinder 10 cm in diameter in which slides a piston 12 cm long having a radial clearance of 1 mm. The cylinder is filled with oil having a viscosity of 1 poise. What will be the resistance offered by the piston to sliding with a velocity of 3 cm/sec a.1090 kg b.100 kg c.10900 kg d.10 kg e.50 kg

Description : A dash pot consists of a cylinder 10 cm in diameter in which slides a piston 12 cm long having a radial clearance of 1 mm. The cylinder is filled with oil having a viscosity of 1 poise. What will be the resistance offered ... with a velocity of 3 cm/sec a.1090 kg b.100 kg c.10900 kg d.10 kg e.50 kg

Last Answer : c. 10900 kg

Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. (A) Jaw crusher (B) Hammer crusher (C) Ball mill (D) Tube mil

Description : Run of mine (ROM) coal is crushed by a __________ for use in domestic ovens. (A) Jaw crusher (B) Hammer crusher (C) Ball mill (D) Tube mil

Last Answer : (B) Hammer crusher

Which of the following is not an ultrafine grinder (colloid mill)?(A) Micronizers (B) Agitated mills and fluid energy mills (C) Toothed roll crusher (D) Hammer mills with internal classification

Description : Which of the following is not an ultrafine grinder (colloid mill)? (A) Micronizers (B) Agitated mills and fluid energy mills (C) Toothed roll crusher (D) Hammer mills with internal classification

Last Answer : (C) Toothed roll crusher

For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a(A) Buhrstone mill(B) Ball mill(C) Crushing rolls(D) Hammer mill

Description : For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a (A) Buhrstone mill (B) Ball mill (C) Crushing rolls (D) Hammer mill

Last Answer : (A) Buhrstone mill

The mechanism of size reduction by a hammer mill is by impact and attrition between the (A) Grinding element & the housing (B) Feed particles (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : The mechanism of size reduction by a hammer mill is by impact and attrition between the (A) Grinding element & the housing (B) Feed particles (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

To get ultrafine particles, the equipment used is a (A) Ball mill (B) Rod mill (C) Hammer crusher (D) Fluid energy mill

Description : To get ultrafine particles, the equipment used is a (A) Ball mill (B) Rod mill (C) Hammer crusher (D) Fluid energy mill

Last Answer : (D) Fluid energy mill

. To produce talcum powder, use (A) Ball mill (B) Hammer mill (C) Jet mill (D) Pin mill

Description : . To produce talcum powder, use (A) Ball mill (B) Hammer mill (C) Jet mill (D) Pin mill

Last Answer : (A) Ball mill

Limestone is normally crushed in a (A) Roll crusher (B) Hammer crusher (C) Ball mill (D) Tube mill

Description : Limestone is normally crushed in a (A) Roll crusher (B) Hammer crusher (C) Ball mill (D) Tube mill

Last Answer : (B) Hammer crusher

Coal is finally pulverised to 200 mesh size for burning in boilers by a (A) Hammer crusher(B) Ball mill(C) Roll crusher(D) Gyratory crusher

Description : Coal is finally pulverised to 200 mesh size for burning in boilers by a (A) Hammer crusher (B) Ball mill (C) Roll crusher (D) Gyratory crusher

Last Answer : (B) Ball mill

Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. (A) Cage (B) Hammer (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. (A) Cage (B) Hammer (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Wheat is ground into flour in a (A) Hammer crusher (B) Roller crusher (C) Impact mill (D) Fluid energy mill

Description : Wheat is ground into flour in a (A) Hammer crusher (B) Roller crusher (C) Impact mill (D) Fluid energy mill

Last Answer : (B) Roller crusher

Cement clinker is reduced to fine size by a (A) Roll crusher (B) Ball mill (C) Tube mill (D) Hammer mill

Description : Cement clinker is reduced to fine size by a (A) Roll crusher (B) Ball mill (C) Tube mill (D) Hammer mill

Last Answer : (C) Tube mill

Carbon black is pulverised in a (A) Hammer crusher (B) Ball mill (C) Roll crusher (D) Gyratory crusher

Description : Carbon black is pulverised in a (A) Hammer crusher (B) Ball mill (C) Roll crusher (D) Gyratory crusher

Last Answer : (B) Ball mill

Give principle construction and working of hammer mill with neat diagram.

Description : Give principle construction and working of hammer mill with neat diagram.

Last Answer : PRINCIPLE: Impact CONSTRUCTION: It consists of a stout metal casing enclosing to which four or more swinging hammer are attached. The lower part of the casing consists of a screen , through which ... are not fixed . The mill can produce coarse to moderately fine powder. DIAGRAM:

Explain construction and working of Cutter mill or Hammer mill

Description : Explain construction and working of Cutter mill or Hammer mill

Last Answer : CONSTRUCTION: It consists of a hopper at top and metal casing enclosing two sets of knives i.e. stationary knives attached to stator and rotating are attached to rotor. The lower part of the casing consists ... are not fixed. The mill can produce coarse to moderately fine powder DIAGRAM:  

Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. (A) Impact (B) Roll (C) Vibratory (D) None of these

Description : Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. (A) Impact (B) Roll (C) Vibratory (D) None of these

Last Answer : (A) Impact

When tensile stress is applied axially on a circular rod its (a)diameter decreases (b)length increases (c)volume decreases (d)Which of the above are true?

Description : When tensile stress is applied axially on a circular rod its (a)diameter decreases (b)length increases (c)volume decreases (d)Which of the above are true?

Last Answer : (c)volume decreases

A thresher causes more seed damage if 1. Speed is increased 2. Clearance is increased 3. Feed rate is reduced 4. speed is reduced

Description : A thresher causes more seed damage if 1. Speed is increased 2. Clearance is increased 3. Feed rate is reduced 4. speed is reduced

Last Answer : ans 1

It is a machine designed for harvesting ,threshing,separating, cleaning and collecting grains while moving through standing crops. a. Weeder b. thresher d. None of above

Description : It is a machine designed for harvesting ,threshing,separating, cleaning and collecting grains while moving through standing crops. a. Weeder b. thresher d. None of above

Last Answer : Ans-          c. COMBINE

The spacing between two adjacent discs in Olpad thresher is a) 5 cm b) 10 cm c) 15 cm d) 20 cm

Description : The spacing between two adjacent discs in Olpad thresher is a) 5 cm b) 10 cm c) 15 cm d) 20 cm

Last Answer : 15 cm

machine designed for harvesting, threshing , cleaning and collecting grains while moving through standing crops. a) Combine b) Self operated VCR c) Power roller thresher d) Post harvesting technology

Description : machine designed for harvesting, threshing , cleaning and collecting grains while moving through standing crops. a) Combine b) Self operated VCR c) Power roller thresher d) Post harvesting technology

Last Answer : Combine