State any one application of each tool : (i) Earth tester (ii) Megger (iii) Bearing puller (iv) Growler

State any one application of each tool : (i) Earth tester (ii) Megger (iii) Bearing puller (iv) Growler 
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1 Answer

Answer :

i) Earth Tester :- It is used to measure earth resistance. 


ii) Megger :- Megger is used to find out (measure) insulation resistance of electrical machine/equipment. 


iii) Bearing Puller:- Bearing puller is used for holding and removing the parts such as bearings, gears or pulleys from a shaft safely. 


iv) Growler:- A growler is an electrical device used to find out shorted turn faults in armature winding and stator winding of motor.

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Related questions

A generator has been exposed to water and is being checked for its safe operation. Therefore, it is necessary to _______________. A. check for shorted coils with a growler B. take moisture readings with a hydrometer C. test insulation values with a megger D. ground the commutator, or slip rings and run it at half load for 12 hours

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Last Answer : Answer: C

Change request should be submitted through development or program management. A change request must be written and should include the following criteria. I. Definition of the change II. Documentation to be updated III. Name of the tester or developer IV. Dependencies of the change request.

Description : Change request should be submitted through development or program management. A change request must be written and should include the following criteria. I. Definition of the change II. Documentation to be updated III. Name of the tester or developer IV. Dependencies of the change request.

Last Answer : A. Improve super vision, More reviews of artifacts or program means stage containment of the defects.

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When testing for blown fuses in a three-phase supply circuit to a motor, you should first ___________________. A. apply the megger across the tops of the line fuses B. apply an ammeter diagonally across the top of the first line fuse and the bottom of the third line fuse C. apply the voltage tester across the bottoms of the line fuses D. ensure the circuit is de-energized, and then use a continuity tester

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Last Answer : Answer: D

Define: i) Magnetic bearing ii) FB iii) BB iv) Bearing of line.

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Description : Define the terms i) Fore Bearing, ii) Open traverse, iii) Closing error, iv) Reduced bearing

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Write any one application for each of following material handling equipments: (i) Bucket Conveyors (ii) Fork Lift Trucks (iii) Jib Crane (iv) Gravity Chutes

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Routine maintenance of a ship's service alternator should include ______________. A. changing the pedestal bearing insulation yearly B. megger testing of all rectifying diodes C. lubricating excitation slip rings D. periodic cleaning of the air filters or screens

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On some electrical generating equipment one outboard bearing pedestal is insulated from the bedplate. To check this insulation with the machine assembled you should use a____________. A. millivolt meter and a jumper B. ohmmeter C. megohm meter D. high potential tester

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Last Answer : Answer: B

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Compare third party insurance and comprehensive on following parameters: i. Risk cover ii. Premium iii. Application of vehicle iv. Condition

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Write one application of following antenna i. Rectangular antenna ii. Dish antenna iii. Yagi-Uda antenna iv. Horn antenna

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Differentiate between AM and FM on the basis of: (i) Definition (ii) Bandwidth (iii) Modulation Index (iv) Application

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Compare narrow band FM with wide-band FM w.r.t. following points. (i) Modulation index (ii) Maximum deviation (iii)Range of modulating frequency (iv)Application

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Give one application of :(i) Mineral oil (ii) Varnish (iii) Synthetic oil (iv) Vegetable oil

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Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC) (ii) Glass (iii) Mica (iv) Cotton and Silk

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Compare AC & DC track circuits on i) Length of circuit ii) Application iii) Effect of stray currents. iv) Maintenance

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Describe any four methods used to reduce earth resistance.

Description : Describe any four methods used to reduce earth resistance.  

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The dog is afraid of the puller

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Why does a rickshaw puller need more carbohydrates than an office worker?

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When changing fuses, you should always _____________. A. wear rubber boots B. use a fuse puller C. stand on a rubber mat D. wear safety glasses

Description : When changing fuses, you should always _____________. A. wear rubber boots B. use a fuse puller C. stand on a rubber mat D. wear safety glasses

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When removing ball or roller bearings from the shaft of a motor, you should use a _____________. A. rawhide hammer B. brass mallet C. wheel puller D. soft iron pry bar

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Before touching a small capacitor connected to a de-energized circuit, or even one that is completely disconnected, you should ____________. A. gently tap the body with a screwdriver B. tag it with a de-energized tag C. be equipped with an insulated fuse puller D. short circuit the terminals to make sure that the capacitor is discharged

Description : Before touching a small capacitor connected to a de-energized circuit, or even one that is completely disconnected, you should ____________. A. gently tap the body with a screwdriver B. tag it ... insulated fuse puller D. short circuit the terminals to make sure that the capacitor is discharged

Last Answer : Answer: D

State significance of earthing. Draw and explain pipe earthing. State the values of earth resistances for : (i) Substation (ii) Residential wiring (iii) H.T. Line (iv) L.T. Line

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Can growler bears reproduce?

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Which of the following methods should be used to test for an 'open' coil in an AC motor stator? A. Test with an ohmmeter, one test lead on the shaft, and the other test lead to the stator leads. B. Test with an ohmmeter with the test leads between the stator leads. C. Use a growler, listening for noise and vibration to diminish when over an open coil. D. Use a growler, listening for noise and vibration to increase when over an open coil.

Description : Which of the following methods should be used to test for an 'open' coil in an AC motor stator? A. Test with an ohmmeter, one test lead on the shaft, and the other test lead to the stator leads ... an open coil. D. Use a growler, listening for noise and vibration to increase when over an open coil.

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When troubleshooting AC motors, a portable growler can be used for locating ____________. A. open field coils B. grounded field coils C. grounded stator coils D. shorted stator coils

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A testing device called a 'growler' is being used to locate a shorted coil in the stator of an AC electrical machine. When the 'feeler' is moved over a slot containing the shorted coil _____________. A. a loud growling noise will be heard B. any vibration within the feeler will cease C. the meter needle will be deflected to zero D. the meter needle will be deflected to full-scale

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Aboard ship, a grounded field coil in an AC motor can be determined by using a _________________. A. portable growler B. galvanometer C. visual inspection D. megohmmeter

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Classify the insulating materials as per operating temperature. Give two examples of each type.

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Are reservoirs that chemical elements can move through as part of the Earth's biogeochemical cycle I.the solid Earth II.Earth's oceans III.Earth's atmosphere IV.organisms on Earth?

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function of equipment’s used in sub-stations : (i) Earth Switch (ii) Relay (iii) Lighting Arrester (iv) Auxiliary transformer

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Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.

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