29866294
bids are invited for screw jack apparatus with weights screw jack apparatus with weights , worm and worm wheel :: single with weights worm and worm wheel :: single with weights , worm and worm wheel :: double with weights worm and worm wheel :: double with weights , worm and worm wheel :: tripple with weights worm and worm wheel :: tripple with weights , wheel and differential axle 30 cm with weight wheel and differential axle 30 cm with weight , winch crab single purchase with weight winch crab single purchase with weight , winch crab double purchase with weight winch crab double purchase with weight , universal force table ( normal ) universal force table ( normal ) , moment of inertia of flywheel 25 cm with weights moment of inertia of flywheel 25 cm with weights , parallel forces apparatus ( dial type 10 kg. balance ) parallel forces apparatus ( dial type 10 kg. balance ) , simply suported beam apparatus with weights simply suported beam apparatus with weights , friction slide apparatus with weight friction slide apparatus with weight , thermal conductivity of metal rod apparatus the experimental set up consists of metal bar, one end of which is heated by an electric heater while the other end of the bar projects inside the cooling water jacket. a cylindrical shell filled with insulating material surrounds the middle portion of the bar. the temperature of the bar is measured at different sections. heat input to the heater is given through variac. by varying the heat input rates, data can be obtained. water at constant rate is circulated through the jacket and its flow rate and temperature rise is noted.technical details:metal barmaterial: copperlength : 400 mm ( approx. ) diameter: 25 mminsulating shelllength : 250 mmdiameter: 200 mmcooling water jacketdiameter : 100 mmlength : 75 mmheater : nichrome wire.water flow measurement : by measuring cylindercontrol panel comprising ofdigital voltmeter: 0 300 volt.digital ammeter: 0 2 amp.variac :0 230 v, 2 amp.digital temp. indicator: 0 199.90c, with multi channel switch, ( universal input ) temperature sensors : rtd pt 100 type. ( 8 nos ) with standard make on / off switch, mains indicator etc.instruction manual : an english instruction manual will be provided along with the apparatusthe whole setup is mounted on a powder coated base plate. , heat transfer coefficient of composite wall apparatus the setup consists of a heater sandwiched between two sets of slabs. three types of slabs are provided on either sides of heater, which forms a composite structure. a small hand press frame is provided to ensure the perfect contact between the slabs. a variac is provided for varying the input to the heater. digital voltmeter and digital ammeter display the heat input. heat produced by heater flows axially on both the sides. temperature sensors are embedded at the interfaces of slabs to determine the temperature gradient. the experiment can be conducted at various values of heat input and calculation can be made accordinglytechnical data:slab assembly arranged symmetrically on both sides of heater.slab material: slab sizecast iron: 250 mm dia. & 20mm thick.bakelite: 250 mm dia. & 15 mm thick.press wood: 250 mm dia. & 12 mm thick.heater : nichrome wire.control panel comprising of :digital voltmeter: 0 300 volts.digital ammeter: 0 2 amp.variac: 0 230 v, 2 amp.digital temp. indicator: 0 2000c, with multi channel switchtemp. sensors : rtd pt 100 type. ( 8 nos ) with standard make on / off switch ( l & t make ) , mains indicator etc.instruction manual: an english instruction manual will be provided along with the apparatus.cabinet to accommodate the slab assembly with front window of glass / acrylic.the whole set up is mounted on a base plate. , pin fin apparatus the setup is designed to study the heat transfer in a pin fin. it consists of pin type fin fitted in a duct. a fan is provided on one side of duct to conduct experiments under forced draft conditions. air flow rates can be varied. a heater heats one end of fin and heat flows to another end. heat input to the heater is given through variac. digital voltmeter and digital ammeter are provided for heat measurement. digital temperature indicator measures temperature distribution along the fintechnical details:fin: pin type.material: brass.size: 12.5 mm ( approx. ) 15 cm. long ( approx. ) .duct: made of ms.fan: standard makes.air flow measurement: orifice meter & u tube manometer.heater : band type, nichrome wire.control panel comprising of :digital voltmeter: 0 300 volt.digital ammeter: 0 2 amp.dimmerstat: 0 230 v, 2 amp.digital temp. indicator: 0 2000c, with multi channel switchtemperature sensors : rtd pt 100 type.5 for pin and 1 for duct temperature.with standard make on / off switch, mains indicator etc.instruction manual: an english instruction manual will be provided along with the apparatusthe whole setup is mounted on a m.s. powder coated stand. , natural convection heat transfer apparatus the setup consists of a brass tube fitted in a rectangular duct in a vertical position. the duct is open at the top and bottom, and forms an enclosure that serves the purpose of undisturbed surrounding. one side of the duct is fitted with a transparent acrylic window for visualization. an electric heating element is kept in the vertical tube that in turns heats the tube surface. the heat is lost from the tube to the surrounding air by natural convection. the temperature of the vertical tube is measure by temperature sensors and displayed by a digital temperature indicator with multi channel switch. the heat input to the heater is measured by a digital ammeter and a digital voltmeter and is varied by a variac. the tube surface is polished to minimize the radiation losses.technical details:test section:diameter: 38 mm ( approx ) .length : 500 mm ( approx ) .heater: nichrome wire.control panel comprising of:digital voltmeter: 0 300 volt.digital ammeter: 0 2 amp.variac : 0 230 v, 2 amp.digital temp. indicator: 0 2000c, with multi channel switchtemperature sensors: rtd pt 100 type.with standard make on / off switch, mains indicator etc.instruction manual : an english instruction manual will be provided along with the apparatus.painted duct of ms to accommodate the assembly with front window of acrylic.the whole set up is well designed and arranged on a powder coated structure.experimentation:to determine average heat transfer coefficient under natural convection. , heat exchanger ( parallel flow and counter flow ) heat exchanger is a device in which heat is transferred from one fluid to another. the apparatus consists of a concentric tube heat exchanger. hot water flows through inner tube in one direction only and cold water flows through the outer tubes. direction of cold fluid flow can be changed from parallel or counter to hot water so that unit can be operated as parallel or counter flow heat exchanger. flow rates of hot and cold water are measured using rota meters. a magnetic drive pump is used to circulate the hot water from a re cycled type water tank, which is fitted with heaters and digital temperature controller.system : water to water, concentric tube typeheat exchanger: length 1.6m ( approx. ) insulated with ceramic wool and cladded by aluminium foil.outer tube: material stainless steel. id 27.5mm, od 33.8 mm ( approx ) inner tube: material stainless steel, od 12.7mm ( approx ) water flow measurement: rotameters ( 2nos. ) one each for cold & hot fluid.hot water tank: made of stainless steel. insulated with ceramic fibre wool.hot water circulation : magnetic pumpheater : nichrome wire heatercontrol panel comprising of :digital temp. controller: 0 199.90c ( for hot water tank ) digital temp. indicator : 0 199.90c, with multi channel switchtemperature sensors : rtd pt 100 type.with standard make on / off switch, mains indicator etc.instruction manual : an english instruction manual will be provided along the apparatus.a good quality painted rigid ms structure is provided to support all the parts.experimentation:to calculate the following parameters both for parallel and counter flow arrangement:rate of heat transfer.lmtd.overall heat transfer co efficient.to compare the performance of parallel and counter flow heat exchanger. , pelton turbine test rig setup is a model of a pelton turbine demonstrating the function of an impulse turbine.the experimental unit consists of the pelton wheel, a needle nozzle used as distributor, a band brake for loading the turbine and a housing with a transparent front panel. the transparent cover enables to observe the water flow, the pelton wheel and the nozzle during operation. the nozzle cross section and thus the flow rate are modified by adjusting the nozzle needle.the turbine torque is determined by force measurement on a band brake and is read on spring balances. for measuring the rotational speed, a non contact speed sensoris provided. a manometer shows the water pressure at the turbine inlet.specification1. function of a pelton turbine2. transparent front panel for observing the operating area3. loading the turbine by use of the band brake4. adjustable nozzle needle for setting different nozzle cross sections5. marking on brake drum for non contact speed measurement6. instruments: spring balances for determining the torque, manometer shows pressure at turbine inlettechnical data:bench top unit.frame and panels made of painted steel.main metallic elements made of stainless steel.pelton turbine:speed range: 0 2000 rpm.torque: 20n.number of buckets: 16.drum radius: 30 mm.brake:pulley diameter: 60 mm.effective radius: 50 mm.water pump, :maximum pressure: 7 bar.maximum water flow: 80 l / min at 5.4 bar.measuring rangespressure: 0 to 100 psi ( 0 to 6.7 bar ) .breaking force–spring balance: 0 50n.flow sensor: 2 to 150 l / min.speed sensor: 0 10000 rpm.water tank capacity: 130 l approx. , francis turbine test rig the experimental unit consists of the rotor, the distributor with adjustable guide vanes, a band brake for loading the turbine and a housing with a transparent front panel. the transparent cover enables to observe the water flow and the rotor during operation. the angle of attack and thus the power of the rotor are modified by adjusting the guide vanes.the turbine torque is determined by force measurement on a band brake and is read on spring balances. for measuring the rotational speed, a non contact speed sensor is installed. a manometer shows the water pressure at the turbine inlet.technical datafunctional model of francis turbine, with a distributor with adjustable guide vanes that allows to control the water angle of incidence of the turbine:diameter of the turbine: 52 mm.speed range: 0 1200 r.p.m. approx.rotor:number of blades of the turbine: 15.stator:number of adjustable guide vanes of the distributor: 10.braking system:band brake with adjustable braking tension.water pump:maximum height: 70 m.maximum pressure: 7 bar.maximum water flow: 120 l. / min.power: 1.5 kw.water tank: capacity 130 l. approx.measuring rangespressure : 0 to 100 psi ( 0 to 6.7 bar ) .breaking force – spring balance: 0 50n.flow sensor, range: 0 to 200 l. / min.speed sensor, range: 0 to 10000 rpm. , reciprocating pump test rig the experimental unit provides the basic experiments to get to know the operating behaviour and the important characteristic variables of piston pumps.setup features a closed water circuit with water tank, a piston pump with variable speed via a frequency converter and an air vessel. the piston of the pump is mounted in a housing and can be observed during operation. the cycle that takes place ( intake and discharge of water ) can be shown clearly in the p v diagram. the pulsating pressure curve of the pump can be damped with the aid of the air vessel. flow rate and head are adjusted via a needle valve and overflow valve.the experimental unit is fitted with manometer for pressure and sensor for flow rate. pressure manometer measures the pressure at the outlet of the pump.specification:• functioning and operating behaviour of a piston pump• closed water circuit contains piston pump with variable speed via frequency converter, transparent water tank and air vessel•valve for adjusting the flow rate• overflow valve for adjusting the head• pulsation damping of the head using air vessel with bleed valve•manometer for pressure at pump outlet.technical details:piston pumpspeed: 30…180min 1max. flow rate: 135l / hmax. head: 40mdrive motorpower: 180wgear transmission ratio: i=7, 5overflow valve: 1…4barmeasuring rangespressure ( outlet ) : 0…5barflow rate: 0, 2…6l / min total quantity : 1...
Due Date : November 22, 2021
Tender Value : ₹ 19.80 Lakhs
