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
Description : This type thresher consists of corrugated bars are mounted axially on pheripheri of the cylinder. a. Hammer mill c. Dummy d. None of above
Last Answer : Ans- b. Raspbar
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
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
Description : Identify the picture. a) Hummer mill type b) Spike-tooth type c) Dummy type d) Axial flow type
Last Answer : Hummer mill type
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
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
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
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
Description : Surge tanks are provided in high pressure water pipelines to (A) Store a definite quantity of water all the time (B) Reduce the water hammer (C) Facilitate easy dismantling of pipeline for cleaning and maintenance (D) None of these
Last Answer : (B) Reduce the water hammer
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
Description : machine is used for "Threshing , Harvesting , Separating , Cleaning and Collecting grains " a) Lathe b) Milling c) Combine d) Forklift
Last Answer : Combine
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
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
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
Description : Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type cylinder c) Spike tooth d) Hammer mill
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
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
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)
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
Description : . To produce talcum powder, use (A) Ball mill (B) Hammer mill (C) Jet mill (D) Pin mill
Last Answer : (A) Ball mill
Description : Limestone is normally crushed in a (A) Roll crusher (B) Hammer crusher (C) Ball mill (D) Tube mill
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
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)
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
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
Description : Carbon black is pulverised in a (A) Hammer crusher (B) Ball mill (C) Roll crusher (D) Gyratory crusher
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
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:
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:
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
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
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
Description : It is a machine designed for harvesting, threshing, separating, cleaning and collecting grains while moving through standing crops a. Combine b. Thresher c. Harvestor d. all of the above
Last Answer : Ans:- a. Combine
Description : A hammer gains 50 Ns momentum in 0.05 sec. The average force on the hammer will be a.500 N b.2000 N c.1500 N d.107 dynes e.1000 N
Last Answer : e. 1000 N
Description : Secondary tillage implements are and . A) Hammer and screwdriver. C) Tractor and bullock B) Lathe and drilling machines. D) All of the above
Last Answer : Tractor and bullock
Description : connects the main body to the plough to the Yoke a) beam b) saddle c) stool d) hammer
Last Answer : beam
Description : A 600kg hammer of a pile driver is lilted 2m the pilling head. What is the change of potential energy? If the hammer is realest. What will be its velocity and the instant if it sticks the pilling? a. 10,772 N-m and 5.26m/s ... c. 11,772 N-m and 6.26m/s d. 11,77 2N-m and5.26m/s ∫PE = mgo(∫Z)/gc
Last Answer : 11,772 N-m and 6.26m/s
Description : Study the four statements (i-iv) given below and select the two correct ones out of them. (i) A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers. (ii) Predator star fish Pisaster helps ... (iii) (b) (iii) and (iv) (c) (i) and (iv) (d) (i) and (ii)
Last Answer : (d) (i) and (ii).
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
Description : It is a machine to separate grains from the harvested crop and provide clean grain without much loss and damage. a. Weeder c. mower d. None of above
Last Answer : Ans- b. thresher
Description : To separate grains from the harvested crop and provide clean grain without much loss and damage which called as A) Potato digger elevator B) Groundnut digger shaker C) Reaper binder D) Threshing
Last Answer : Threshing
Description : The dibbling is mostly used for sowing: A. Cereal grains B. Vegetables
Last Answer : Vegetables
Description : Need of farm mechanization is to... a) for timely operations of agriculture activities b) to increase the production and productivity of food grains. c) efficient utilisation of inputs, water and other natural resources. d) all of the above
Last Answer : all of the above
Description : In finish machining of an island on a casting with CNC milling machine, an end mill with 10 mm diameter is employed. The corner points of the island are represented by (0, 0), (0, 30), (50, 30) and (50, 0). By applying cutter radius right ... , 5), (5, 5) d.(5, 5), (45, 5), (45, 25), (5, 25), (5, 5)
Last Answer : a.(-5, 0), (-5, 35), (55, 35), (55,-5), (-5,-5)
Description : Equipment used for pulverizing the coal is known as (A) Ball mill (B) Hopper (C) Burner (D) Stoker
Last Answer : Ball mill
Description : Which of the following is true of ‘placebos’: A. Placebo is a dummy medication B. Placebo is the inert material added to the drug for making tablets C. Placebos do not produce any effect D. All patients respond to placebos
Last Answer : A. Placebo is a dummy medication
Description : In testing transmitter to prevent interfering with other stations, which type of antenna must be used? A. Void antenna B. Dummy antenna C. Hertzian antenna D. Isotropic antenna
Last Answer : B. Dummy antenna
Description : When testing transmitter to prevent interfering with other stations, which type of antenna must be used? A. Dummy antenna B. Hertzian antenna C. None of these D. Void antenna
Last Answer : A. Dummy antenna