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 : 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 : Identify the picture. a) Hummer mill type b) Spike-tooth type c) Dummy type d) Axial flow type
Last Answer : Hummer mill type
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 : 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 : Axial flow thresher uses a) Raspbar type cylinder b) Serrated disc type cylinder c) Spike tooth d) Hammer mill
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 : 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
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 : 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 : 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 : 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 : 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 : In bag filters, filter fabrics are never made of (A) Metallic wire woven mesh (B) Polyester fibres (C) Cotton fibres (D) Nylon fibres
Last Answer : (A) Metallic wire woven mesh
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 : When the helical compression spring is subjected to axial compressive force, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Last Answer : (D) Torsional shear stress
Description : When the helical extension spring is subjected to axial tensile force, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Description : A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is (A) 4WD²n/d 4N (B) 4W²Dn/d 4N (C) 4W²D3n/d 4N (D) 4W²D3n²/d 4N
Last Answer : (C) 4W²D3n/d 4N
Description : A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the deflection of the coil is (A) WR3n/Cr4 (B) 2WR3n/Cr4 (C) 3WR3n/Cr4 (D) 4WR3n/Cr
Last Answer : (D) 4WR3n/Cr
Description : A closely coiled helical spring of radius R, contains n turns and is subjected to an axial loadW. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the stress developed in the helical spring is (A) WR/ 3 (B) 2WR/ 3 (C) 2WR/ 2 (D) 4WR/ 2
Last Answer : (B) 2WR/ 3
Description : is a harrow which perform harrow operation by means of set or a number of sets of rotating slat each set being mounted on common shaft. a. Spike tooth harrow c. Triangular harrow b. Acme harrow. d. Disc harrow
Last Answer : Disc harrow
Description : harrow having curved knives. i. Spring tooth harrow. c) Acme harrow ii. Spikal tooth d) Spike tooth harrow
Last Answer : Acme harrow
Description : harrow which consist of one or more blades attached to the beam Or frame, used for shallow working of the soil. A Spike tooth harrow B Acme harrow C Spring tooth harrow D Blade harrow
Last Answer : Blade harrow
Description : it is a harrow with peg shaped teeth of diamond cross section to a Rectangular frame. A) Spike tooth harrow C Spring tooth harrow B) Acme harrow D Triangular harrow.
Last Answer : Spike tooth harrow
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
Description : This type of Cultivator suitable to work in hard and stony soils. a. Fixed tooth c. Helical tooth d. None of the above
Last Answer : Ans - b. Spring tooth
Description : A helical spring is fabricated by wrapping wire 19.05 mm in diameter around a forming cylinder 203.2 mm in diameter. Compute the number of turns required to permit an elongation of 101.6 mm. without exceeding a shearing ... G = 82737 N/mm2. a. 10 turns b. 20 turns c. 25 turns d. 30 turns
Last Answer : a. 10 turns
Description : Pick up the correct statement from the following regarding radial flow centrifugal pumps: (A) These are provided with volute type or turbine type casings (B) In involute type of radial flow ... centrifugal pump, is always higher than that of volute type (D) All the above
Last Answer : (D) All the above
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
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.
Description : The takes place between the cylinder and concave units of the combine. a) Threshing b) Feeding drum c) Straw spreader d) Separating
Last Answer : Threshing
Description : Trommels employ __________ for screening of materials. (A) Fibrous cloth (B) Woven wire screen (C) Punched plate (D) None of these
Last Answer : (C) Punched plate
Description : is also called as knife harrow. a. Spring tooth harrow b. Acme harrow c. Spike tooth harrow d. none of the above
Last Answer : Ans:- b. Acme harrow
Description : Implements commonly used in dry farming areas a). Sweep b). Blade harrow c). Spike tooth harrow d). Both a and b
Last Answer : d). Both a and b
Description : Blind hoeing with bullock/tractor drawn spike-tooth harrow successfully controls weeds in a). Potato b). Sugarcane c). Maize d). Both a and b
Description : Axial length of an unloaded helical compression spring is called (A) compressed length (B) solid length (C) free length (D) none of the above
Last Answer : (C) free length
Description : A open helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Last Answer : d) None
Description : A closed helical spring under axial torque is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Last Answer : (c) Bending
Description : A closed helical spring under axial load is designed on the basis of (a) Shear (b) Compression (c) Bending (d) None
Last Answer : (a) Shear
Description : When a close-coiled helical spring is subjected to an axial load, it is said to be under. (a) Bending (b) Shear (c) Torsion (d) Crushing
Last Answer : (c) Torsion
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
Description : Volute type of casing is provided in a centrifugal pump to (A) Convert velocity head to pressure head (B) Convert pressure head to velocity head (C) Reduce the discharge fluctuation (D) Increase the discharge
Last Answer : (D) Increase the discharge
Description : Why axial flow compressor is preferred for gas turbines for aeroplanes ?
Last Answer : Because it has low frontal area.
Description : Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?
Last Answer : Isentropic efficiency of axial flow compressor is higher.
Description : Which of the following is not the function of a volute casing provided in a centrifugal pump? (A) To reduce the head loss in discharge (B) To increase the pump efficiency (C) To collect liquid ... and to transmit it to the delivery pipe at constant velocity (D) To increase the pump discharge rate
Last Answer : Option D
Description : The output waveform produced due to time base generator in a CRO is a) saw tooth b) sinusoidal c) linear d) helical
Last Answer : a) saw tooth
Description : The spike teeth are in Triangular harrow. a. Movable b. Adjustable d. None of the above
Last Answer : Ans - c. fixed
Description : When the helical torsion spring is subjected to torque, the type of stress induced in the spring wire is, (A) Tensile stress (B) Compressive stress (C) Bending stress (D) Torsional shear stress
Last Answer : (C) Bending stress
Description : The structure of DNA is a double helix formed by two strands of DNA sequence. This sequence consists of 4 different nucleotides- Adenine, Thymine, Cytosine and Guanine. How do the nucleotides on one strand interact with the nucleotides on the second strand to maintain the helical shape of DNA?
Last Answer : Complementary Base Pairing. Adenine complementary base pairs with Thymine and Guanine complementary base pairs with Cytosine.