Description : State the principle of operation of the gear box in terms of Torque, speed and diameter of the gear.
Last Answer : In a gear box, the counter shaft is mashed to the clutch with a use of a couple of gear. So the counter shaft is always in running condition. When the counter shaft is bring ... lubricant. This prevents excessive wear and early failure. Therefore a gearbox runs partially filled with lubricant oil.
Description : The rotor slots of a repulsion-type motor are generally skewed (placed nonparallel to the rotor axis) to _________. A. produce a constant starting torque B. permit a greater air gap with the starter C. permit a smaller air gap with the starter D. reduce eddy current losses
Last Answer : Answer: A
Description : The method of alighting the aeroplane on water during a ditching is to: a. Carry out a normal approach with flaps and gear selected as normal but to calculate all speeds plus 10kts b. Reduce ... d. Fly a normal approach to stalling speed and then drop the aeroplane vertically onto the water
Last Answer : c. Fly a normal approach but keep the gear up and land at lowest possible speed with the nose raised for the tail to strike first
Description : In a variable speed SI engine, the maximum torque occurs at the maximum (a) Speed (b) Brake power (c) Indicated power (d) Volumetric efficiency
Last Answer : Ans :d
Description : What gear train provides less torque?
Last Answer : Need answer
Description : What are the initial and final torque values for A321 main landing gear wheels?
Last Answer : The initial or bearing setting torque value for A321 main landing gear wheel is 310 ft.-lbs. and the final torque value is 160 ft.-lbs.
Description : The primary function of an electric motor is to ___________. A. develop torque B. generate high voltages C. produce a magnetic field D. generate high electrical resistance
Description : Autotransformer starters or compensators are sometimes used with polyphase induction motors to _____________. A. reduce the voltage applied to the motor during the starting period B. increase the voltage for ' ... to be either stepped up or down, depending on the application, to ensure full torque
Description : Is the steering gear box the same on a 1954 and a 1956 International 300 tractor?
Last Answer : Yes it is check it out here http://www.hemmings.com/hmn/stories/2008/08/01/hmn_feature37.html
Description : Does anyone know where to get used -complete gear box assembly for an early 7111 Simplicty tractor. thanks ?
Last Answer : I would check Ebay , you can find almost anything on there . I would also check craiglist.com on a daily basis , because you can almost always find great deals on there for anything you can think of.
Description : Splines are commonly used in (A) Machine tool gear box (B) Automobile gear box (C) Hoist and crane gear box (D) Bicycle
Last Answer : (B) Automobile gear box
Description : What Is The Main Purpose Of A Gear Box In A Vehicle?
Last Answer : To vary the torque at the road vehicles.
Description : Gears are generally used in the transmission box are ∙ spur gear only ∙ helical gear only ∙ helical and spur gear gears ∙ bevel gears
Last Answer : ∙ helical gear only
Description : tractors are generally fitted with: A)sliding mesh gear box B)constant mesh gear box C)both (a) & (b) D)synchromesh gear box
Last Answer : A)sliding mesh gear box
Description : Describe working of constant mesh gear box with neat sketch.
Last Answer : Working of constant mesh gear box: A simplified diagram of constant mesh box has been shown in Figure. In this gear box, all gears on the main transmission shaft are constantly connected to corresponding ... In this way by sliding the second dog clutch, second and first gears are obtained.
Description : Describe the working of recirculating ball type steering gear box with sketch.
Last Answer : Working of Recirculating ball type steering gear box: It consists of worm at the end of steering rod. A nut is mounted on the worm with two sets of balls in the grooves of the worm, in between ... and actual the link rod through the drop arm, resulting in the desired steering of the wheels.
Description : Name the steering gear box used in following: (i) Maruti ‘Alto’ (ii) Tata ‘Sumo’ (iii) Ashok Leyland Truck (iv) Road Roller
Last Answer : (i) Maruti ‘Alto’=========Rack and Pinion Type Gear Box. (ii) Tata ‘Sumo’==========Recireulating Ball Type Gear Box. (iii) Ashok Leyland Truck === Worm and Nut Type Gear Box (iv) Road Roller=========== Worm and Roller Type Steering Gear Box
Description : Write the functions of : i) Blades – ii) Nacelle – iii) Shaft – iv) Gear box –
Last Answer : i) Blades - Convert wind energy into usable mechanical energy. Aerodynamically optimized structure of blades help to capture maximum wind power even in normal operation. ii) Nacelle - Protects ... high speed - drives the generator. iv) Gear box - Controls rotational speed of generator.
Description : Compare constant mesh gear box with synchromesh gear box
Last Answer : Sr No. constant mesh gear box synchromesh gear box 1. It has need of double declutching . No need of double declutching as in case of constant mesh gearbox. 2. Problem in ... noisy as helical gears are used. 4. It has more vibration. It has less vibration.
Description : Describe the necessity of Gear box in Automobile.
Last Answer : Necessity of gear box: The engine delivers its full power at high speed and its direction of rotation is not reversible. When a vehicle starts from rest, hill climbing, accelerating and meeting ... main purpose of gearbox to provide speed variations in road wheels by keeping engine speed constant.
Description : During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to (A) Increase the rate of absorption (B) Avoid corrosion (C) Reduce the cooling water circulation rate (D) None of these
Last Answer : (B) Avoid corrosion
Description : If the driving torque, such as that produced by a diesel engine, creates pulsations when coupled with a synchronous generator operating in parallel; the generator rotor may be periodically pulled ... windings B. direct coupling C. increase governor speed droop D. decreasing governor speed droop
Description : If an induction motor were to be operated at 90% rated voltage, _____________. A. there would be an increase in starting torque B. starting current would increase slightly C. synchronous speed would decrease slightly D. the slip would increase
Last Answer : Answer: D
Description : Electric propulsion coupling excitation is reduced at slow speeds to ___________. A. increase speed control B. increase shaft torque C. prevent coupling overheating D. prevent coupling slippage
Last Answer : Answer: C
Description : Which of the following methods does not take into account the maximum temperature rise under variable load conditions ? (a) Equivalent power method (b) Equivalent current method (c) Method of average losses (d) Equivalent torque method
Last Answer : (c) Method of average losses
Description : By which of the following methods motor rating for variable load drives can be determined ? (a) Method of average losses (b) Equivalent current method (c) Equivalent torque method (d) Equivalent power method (e) All of the above.
Last Answer : (e) All of the above.
Description : Multipass heat exchangers are used (A) Because of simplicity of fabrication (B) For low heat load (C) To obtain higher heat transfer co-efficient and shorter tube (D) To reduce the pressure drop
Last Answer : (C) To obtain higher heat transfer co-efficient and shorter tube
Description : Capacity of a rotary gear pump can be varied by (A) Changing the speed of rotation (B) Bleeding air into suction (C) Bypassing liquid from the suction or discharge line (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The function of amortisseur, or damper windings in a synchronous motor is to _____________. A. eliminate slippage B. provide excitation C. provide starting torque D. increase efficiency
Description : The function of damper windings in a synchronous motor is to _____________. A. eliminate slippage B. provide excitation C. provide starting torque D. increase efficiency
Description : The function of the autotransformers used with the starters of large AC motors is to provide _____________. A. increased voltage for starting B. increased torque for starting C. reduced voltage for starting D. speed control
Description : Engine power output is a function of A. Crank shaft torque B. Speed C. Both (A) and (B) D. None of the above
Last Answer : Engine power output is a function of A. Crank shaft torque B. Speed C. Both (A) and (B) D. None of the above
Description : iesel engine has less reserve torque then spark ignition because ∙ Torque-speed curve is governed by volumetric efficiency of fuel pump and engine cylinder ∙ Torque is a function of thermal efficiency ∙ Diesel engine has generally low speed engine ∙ None of the above
Last Answer : ∙ Torque is a function of thermal efficiency
Description : How would you obtain the value of a state variable?
Last Answer : Feel Free to Answer
Description : The purpose of registration in a mower is (A) to get uniform length of cut of grass (B)to run the mower at minimum power (C)to run the mower at uniform torque (D)to reduce the occurrence of overload
Last Answer : (B)to run the mower at minimum power
Description : How can I obtain the flow coefficient of the crack of the box?
Last Answer : answer:
Description : In a 15 HP induction-type motor with a cage rotor, the current required at standstill to produce starting torque is approximately ____________. A. half the full load current B. equal to the full load current C. five times the full load current D. ten to twenty times the full load current
Description : Pick up the correct statement from the following: (A) Mcg = M M 2 + r2 ) where letters carry their usual meanings (B) Tcp = m 2 + T2 )where ... maximum shear stress caused by the combined bending and torsion, is called equivalent torque (D) All the above
Last Answer : (D) All the above
Description : List the different methods to produce damping torque.
Last Answer : Methods of providing damping torque in indicating type instruments: 1) Air friction damping. 2) Fluid friction damping. 3) Eddy current damping.
Description : Which of the following will happen to the alternator frequency if the load is removed from a turbogenerator, whose governor has a 3% speed droop? A. It will remain unchanged. B. It will decrease by approximately 3%. C. It will become variable. D. It will increase.
Description : Function of air vessel provided in a reciprocating pump is to (A) Reduce discharge fluctuation (B) Reduce the danger of cavitation (C) Avoid the necessity of priming (D) Increase the pump efficiency
Last Answer : (A) Reduce discharge fluctuation
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 : A characteristic of a wound-rotor induction motor, with a high resistance rotor winding, is _____________. A. low starting torque B. high starting torque C. high speed D. low starting voltage
Last Answer : Answer: B
Description : An across-the-line starter provides ___________________. A. maximum torque B. slow starting power C. high speed D. reduced voltage
Description : Splines are used if, (A) The power to be transmitted is high (B) The torque to be transmitted is high (C) The speed is high (D) There is relative motion between shaft and hub
Last Answer : (D) There is relative motion between shaft and hub
Description : The d.c. series motor should always be started with load because (A) at no load, it will rotate at dangerously high speed. (B) it will fail to start. (C) it will not develop high starting torque. (D) all are true.
Last Answer : (A) at no load, it will rotate at dangerously high speed.
Description : Large cable sizes are formed as individual conductors that may be comprised of several smaller strands to __________. A. obtain the flexibility required for easy handling B. reduce the overall weight of the ... . reduce the number of supports needed for a horizontal overhead run D. all of the above
Description : .Prior to beginning the field work on a new audit engagement in which a CPA does not possess expertise in the industry in which the client operates, the CPA should a. Reduce audit risk by lowering ... the industry. d. Obtain a knowledge of matters that relates to the nature of the entity's business
Last Answer : Obtain a knowledge of matters that relates to the nature of the entity's business
Description : Prior to beginning fieldwork on a new audit engagement in which a CPA does not possess industry expertise, the CPA should a. Obtain knowledge of matters that relate to the nature of the ... of the industry. d. Design special substantive tests to compensate for the lack of industry expertise.
Last Answer : Obtain knowledge of matters that relate to the nature of the entity's business and industry
Description : What advantage is there for an enterprise to adopt a virtual private cloud model? A. Reduce costs by adopting a flexible pricing model for the entire operation. B. Reduce infrastructure ... such as security and performance since the entire infrastructure will be managed within the IT department.
Last Answer : Manage sensitive data in a compliant and secure manner and benefit from flexible pricing models for select services or infrastructure.