Description : What is the function of speeder gear?
Last Answer : Speed raising beyond governor takeover speed upto full speed is achieved by raising and lowering the speeder gear.
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 : Identify, from among the following, the correct statement. a) One of the main challenges Engineering facing today is the requirement of most systems to work with a multitude of homogenous systems ... of component based assembly, we find that onlyless than 20% of today's is still custom built
Last Answer : c) does not wear-out in the traditional sense of the term, but does tend to deteriorate as it evolves
Description : In accordance with Coast Guard Regulations (46 CFR), a steering gear feeder circuit from the emergency switchboard or alternate power supply must have the capacity for continuous operation of the rudder 15° side to side in not more than 60 seconds for a A. 1/4 hour B. 1/2 hour C. 1 hour D. 2 hours
Last Answer : Answer: B
Description : Coast Guard Regulations (46 CFR), require that an indicating light at the propulsion control station will operate if overloading or overheating occurs in a _______________. A. forced draft blower motor B. steering gear motor C. fuel pump motor D. condensate pump motor
Description : Coast Guard Regulations (46 CFR) require that lighting fixture globes must be protected by guards if the fixtures are located in the ____________. A. steering gear room B. galley C. living quarters D. wheelhouse
Last Answer : Answer: A
Description : According to Coast Guard Regulations (46 CFR), which of the following systems must be arranged so as to be energized by the final emergency power source? A. at least one light in the ... operated watertight door system C. each charging panel for temporary emergency batteries D. all of the above
Last Answer : Answer: D
Description : As shown in the illustrations, ordered rudder angle is fed back from the ________________. EL-0097 A. power unit to the magnetic amplifier B. steering gear to the control potentiometer C. magnetic amplifier to the steering gear D. rudder yoke to the non-followup controller
Description : When power is restored after a complete power failure, a steering gear pump motor will ____________. A. have to be restarted B. have to be reset C. restart automatically D. trip its overload relays
Last Answer : Answer: C
Description : An open-circuit fault between the pressure switch and the 'annunciator module' shown in the illustration would cause the alarm circuit to react in the same manner as if ___________. EL-0094 A. 3.5 ... below switch setting C. 50 PSI were applied to the 'setpoint module' D. the pressure switch closed
Description : If the steering stand selector switch is allowed to remain in the 'Non-Followup' mode after testing of the steering gear, the rudder will _____________. EL-0097 A. not respond to commands from the ... actuator D. stop moving only when the helm is counter-rotated to put the pump at neutral stroke
Description : What are the interlocks between 415 V and 6.6 kV switch gear?
Last Answer : 6.6 kV Breaker closed cannot rack in or out. Service lever cannot move while breaker closed. Breaker cannot be closed in in-between position. 415 V Breaker door cannot be opened when breaker is ... . Breaker cannot be closed in in-between position. Breaker closed cannot be rack in or out.
Description : What are the logic’s adopted in barring gear motor?
Last Answer : For start permission a) Local or remote start. b) JOP is running. c) Motor hand barring is permissive. d) 42 contactor in MCC is off. e) Turbine speed is <100 rpm. Start permission (42S ... is >0.35 kg/ cm2. e) No thermal over load of 42. f) No one-DG condition.
Description : What is the type of brush used in brush gear?
Last Answer : Low co-efficient of friction and self-lubricating morganite grade carbon HM100. Now a day we are using LFC554 for economical reasons.
Description : How cooling is done for slip ring and brush gear?
Last Answer : A centrifuge fan is mounted on the shaft in between two slip rings for ventilation of the slip rings and brush gear.
Description : What are the purposes of barring gear?
Last Answer : Start rotor from rest. Eliminates sag in rotor - straighten and avoid rubbing at glands. Avoid direct contact journals and bearings. Avoid differential temp between top and bottom of cylinder due to convection of Steam or hot air inside turbine cylinders.
Description : Why starting resistor is provided in barring gear motor?
Last Answer : Starting resistance at stator reduces voltage at stator terminals and accelerates the motor very slowly so as to allow smooth gear engagement. Other methods are a) Auto transformer. b) Star-delta starter.
Description : What are the purposes of turning gear?
Last Answer : Turning gear is used to run the turbine from rest to low speed and from normal running speed to low speed with the help of barring motor to eliminate the hogging and sagging of turbine because of the high temperature.
Description : Which of the following statements is a requirement of Coast Guard Regulations (46 CFR) concerning emergency diesel generator engines? A. The fuel must have a flash point not less than 75°F. B. ... to each side of the vertical. D. The starting battery must produce 12 consecutive cranking cycles.
Description : The first requirement for logical troubleshooting of any system is the ability to ______________. A. collect all available data on a casualty B. recognize normal operation C. identify the probable cause of a symptom D. isolate the faulty component
Description : What is requirement of having DG’s?
Last Answer : To establish class III supply when class IV fails. Parallel operation with class IV 6.6 kV supply. DG to DG parallel operation.
Description : What is the requirement oil in a transformer?
Last Answer : Oil is used removal of heat produced in the transformer and also as insulating medium.
Description : What is the requirement of stator water electrical conductivity?
Last Answer : The cooling water must have an electrical conductivity less than 2.5 micro mho/cm. One portable polishing unit consisting of mixed bed is also provided in the system to remove impurities and maintain stator water conductivity at a less value.
Description : As shown in the illustration, the purpose of the item labeled 'Z', in assembly No. 2, is to _____________. EL-0001 A. keep the rotor in balance B. align the rotor to the stator C. dynamically balance the rotor D. cool the motor
Description : Unnecessary and frequent applications of varnish to the generator windings to repair defective insulation will result in ____________. A. heavy coatings of varnish interfering with heat dissipation B. ... of the rectifier assembly D. a built-up of varnish without changing generator operation
Description : When reassembling the equipment shown in the illustration, _____________. El-0001 A. item 2A and 2B should not be installed on assembly #2 until assembly #3 or #4 have been secured to assembly ... be secured to assembly #1 to provide support to assembly #2 during the reassembling of the entire unit
Description : The purpose of the item labeled 'Z' in assembly No. 2, shown in the illustration is to _____________. EL-0001 A. keep the rotor in balance B. align the rotor to the stator C. dynamically balance the rotor D. cool the motor
Description : When disassembling electric motors for maintenance or overhaul, ________________. A. punch mark frame and end bells for proper assembly B. wrap bearings in lint free cloths if they are to be reused C. tag and store small parts in a box D. all of the above
Description : If a circuit breaker that utilizes built-in, current limiting fuses (CLF's) cannot be closed, the problem may be traced to __________. A. a blown CLF plunger holding the trip bar in the open position B. a missing CLF C. a misaligned limiter housing assembly D. all of the above
Description : In the illustration, the assembly labeled 2 is a ________. EL-0001 A. wound rotor and shaft for a single phase induction motor B. conduction rotor and shaft for a polyphase induction motor C. ... cage rotor and shaft for a polyphase motor D. squirrel cage rotor for a single phase induction motor
Description : The only point in the steering stand shown in the illustration which needs periodic lubrication is the ______________. EL-0098 A. repeater assembly ball bearings B. steering wheel bearing C. operation selector switch D. course selector pointer
Description : Armature cores in a DC generator are made of laminated steel sheets to _____________. A. fit the curvature of the frame B. increase the hysteresis effect C. reduce eddy current losses D. allow for easy assembly
Description : Which of the following statements represents the important factor that must be considered when replacing a faulty diode in the exciter rectifier assembly? A. Be certain that the replacement diode ... The replacement diode must be dipped in varnish prior to installation to protect against humidity.