When replacing fuses, always make sure _______________. A. to stand on a rubber mat and use rubber gloves B. to use insulated pliers or screwdriver C. the fuse clips are straight, tight, and in good contact D. to increase the fuse rating 10% to guard against 'nuisance blowing'

When replacing fuses, always make sure _______________. A. to stand on a rubber mat and use rubber gloves B. to use insulated pliers or screwdriver C. the fuse clips are straight, tight, and in good contact D. to increase the fuse rating 10% to guard against 'nuisance blowing'
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Answer: C
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Related questions

A tubular fuse should always be removed from a fuse panel with _____________. A. a screwdriver B. a pair of insulated metal pliers C. any insulated object D. fuse pullers

Description : A tubular fuse should always be removed from a fuse panel with _____________. A. a screwdriver B. a pair of insulated metal pliers C. any insulated object D. fuse pullers

Last Answer : Answer: D

When changing fuses and the spring clips are found to have lost their grip, they should be replaced or _____________. A. tightened firmly with insulated pliers B. clip clamps should be used C. wired closed with uninsulated, varnished copper wire D. carefully bent back to their original shapes

Description : When changing fuses and the spring clips are found to have lost their grip, they should be replaced or _____________. A. tightened firmly with insulated pliers B. clip clamps should be used C. wired closed with uninsulated, varnished copper wire D. carefully bent back to their original shapes

Last Answer : Answer: B

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

Last Answer : Answer: B

Which of the following precautions should be taken when a blown fuse, rated at 10 amperes, is replaced? A. Short out the fuse before removing it from the circuit. B. Use needle-nose pliers to remove fuse from the circuit. C. Replace blown fuse with one of equal voltage and ampere capacity. D. Fuses of 10 ampere rating and less are virtually harmless when energized and may be handled freely.

Description : Which of the following precautions should be taken when a blown fuse, rated at 10 amperes, is replaced? A. Short out the fuse before removing it from the circuit. B. Use needle-nose pliers to ... D. Fuses of 10 ampere rating and less are virtually harmless when energized and may be handled freely.

Last Answer : Answer: C

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

When troubleshooting a console circuit card suspected of being faulty, the last step would be to _______________. A. check the fuses and voltage levels of all power supplies in the console B. clean dust and debris from the card and burnish the sliding connections C. make sure all connections are tight including wire wrappings and push-on types D. substitute a new or repaired spare card and check the operation of the circuit

Description : When troubleshooting a console circuit card suspected of being faulty, the last step would be to _______________. A. check the fuses and voltage levels of all power supplies in the console B. clean dust ... -on types D. substitute a new or repaired spare card and check the operation of the circuit

Last Answer : Answer: D

In addition to short circuits and sustained overloads, fuses are likely to blow due to _____________. A. loose fuse clips B. low ambient temperatures C. low contact resistance D. all of the above

Description : In addition to short circuits and sustained overloads, fuses are likely to blow due to _____________. A. loose fuse clips B. low ambient temperatures C. low contact resistance D. all of the above

Last Answer : Answer: A

To check the three line fuses of a three-phase system consisting of a three-phase motor, you must _____________. A. place the starter in the 'stop' position B. make sure the motor is operating at full load to guard against a false reading C. place the leads across the 'hot' ends of the fuses D. place the leads across the bottom ends of the fuses

Description : To check the three line fuses of a three-phase system consisting of a three-phase motor, you must _____________. A. place the starter in the 'stop' position B. make sure the motor is operating at full ... leads across the 'hot' ends of the fuses D. place the leads across the bottom ends of the fuses

Last Answer : Answer: A

Grease coatings on electrical contact surfaces increase contact resistance and should be removed with a/an _______________. A. small wire brush B. compressed air jet C. clean dry cloth D. 10% solution carbon solvent and water

Description : Grease coatings on electrical contact surfaces increase contact resistance and should be removed with a/an _______________. A. small wire brush B. compressed air jet C. clean dry cloth D. 10% solution carbon solvent and water

Last Answer : Answer: C

A fuse will blow for all the listed reasons EXCEPT ________. A. excessive vibration B. extremely hot surroundings C. loose fuse clips D. low contact resistance within the fuse

Description : A fuse will blow for all the listed reasons EXCEPT ________. A. excessive vibration B. extremely hot surroundings C. loose fuse clips D. low contact resistance within the fuse

Last Answer : Answer: D

If a fuse of correct size and type blows frequently, ________________. A. try the next higher amperage rating B. try the next lower amperage rating C. look for trouble within the circuit D. reduce the applied voltage 10%

Description : If a fuse of correct size and type blows frequently, ________________. A. try the next higher amperage rating B. try the next lower amperage rating C. look for trouble within the circuit D. reduce the applied voltage 10%

Last Answer : Answer: C

Coast Guard Regulations (46 CFR) require that each alternating current generator arranged for parallel operation shall be provided with _____________. A. more than one means of excitation B. individual circuit fuses C. a high back-pressure trip D. a reverse-power trip

Description : Coast Guard Regulations (46 CFR) require that each alternating current generator arranged for parallel operation shall be provided with _____________. A. more than one means of excitation B. individual circuit fuses C. a high back-pressure trip D. a reverse-power trip

Last Answer : Answer: D

Time delayed or delayed action-type fuses are designed to _____________. A. prevent grounds in branch circuits B. prevent opens in motor circuits C. permit momentary overloads without melting D. guard lighting and electronic circuits

Description : Time delayed or delayed action-type fuses are designed to _____________. A. prevent grounds in branch circuits B. prevent opens in motor circuits C. permit momentary overloads without melting D. guard lighting and electronic circuits

Last Answer : Answer: C

Maintenance of alkaline batteries should include _________. A. checking the electrolyte weekly using a hydrometer B. replacing the electrolyte every 5 years C. top off with sulfuric acid as needed D. making certain connections are tight and clean

Description : Maintenance of alkaline batteries should include _________. A. checking the electrolyte weekly using a hydrometer B. replacing the electrolyte every 5 years C. top off with sulfuric acid as needed D. making certain connections are tight and clean

Last Answer : Answer: D

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

Description : 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 ... of the line fuses D. ensure the circuit is de-energized, and then use a continuity tester

Last Answer : Answer: D

If a voltage tester is being used to check for defective fuses in the circuit, shown in the illustration, which of the readings will indicate that fuse #2 is open? EL-0062 A. C-B full voltage B. A-D full voltage C. A-D no voltage D. C-B no voltage

Description : If a voltage tester is being used to check for defective fuses in the circuit, shown in the illustration, which of the readings will indicate that fuse #2 is open? EL-0062 A. C-B full voltage B. A-D full voltage C. A-D no voltage D. C-B no voltage

Last Answer : Answer: C

You are using a mechanical voltage tester to check the fuses in a three-phase circuit supplying an electric motor. For which of the following reasons must the motor be stopped during the test? A. Testing an energized circuit presents a hazard to the testing personnel. B. A faulty fuse could go undetected with the motor energized. C. Reversed polarity of the circuit would be indicated by the voltage tester with the circuit energized. D. All of the above.

Description : You are using a mechanical voltage tester to check the fuses in a three-phase circuit supplying an electric motor. For which of the following reasons must the motor be stopped during the test? A. ... circuit would be indicated by the voltage tester with the circuit energized. D. All of the above.

Last Answer : Answer: B

During maintenance of circuit breakers, _______________. A. always smooth roughened contact surfaces with a file B. never pass more than rated breaker current through the overload heater element C. inspect for wear and misalignment of main contacts D. assume heater elements installed are of correct size

Description : During maintenance of circuit breakers, _______________. A. always smooth roughened contact surfaces with a file B. never pass more than rated breaker current through the overload heater element C. ... wear and misalignment of main contacts D. assume heater elements installed are of correct size

Last Answer : Answer: C

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 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

Last Answer : Answer: B

When troubleshooting motor controllers, a shorted relay or contactor coil is often indicated by _______________. A. a resistance reading of 'infinity' on an ohmmeter B. charred insulation and/or a blown control fuse C. a reading of 'zero' on a megger from one of the coil's leads to ground D. a higher-than-normal voltage reading across the winding

Description : When troubleshooting motor controllers, a shorted relay or contactor coil is often indicated by _______________. A. a resistance reading of 'infinity' on an ohmmeter B. charred insulation and/or a blown ... of the coil's leads to ground D. a higher-than-normal voltage reading across the winding

Last Answer : Answer: B

Give me your sure fire ways to get rid of those nuisance callers?

Description : Give me your sure fire ways to get rid of those nuisance callers?

Last Answer : If you have a toddler at home you can have them answer the phone. We did this when our daughter was three. She had a great time talking to the bill collector.

A 'dead front' switchboard is one _____________. A. without switches on it B. with insulated switches and no exposed terminals C. without circuit breakers D. without safety hand rails nor rubber mats

Description : A 'dead front' switchboard is one _____________. A. without switches on it B. with insulated switches and no exposed terminals C. without circuit breakers D. without safety hand rails nor rubber mats

Last Answer : Answer: B

Which of the following statements represents the FIRST precaution to be taken prior to working on any installed electrical component? A. Wear rubber gloves and boots. B. Use only approved nonconducting tools. C. Ground the case of the machine before beginning any repairs. D. Open the supply circuits and tag the switches.

Description : Which of the following statements represents the FIRST precaution to be taken prior to working on any installed electrical component? A. Wear rubber gloves and boots. B. Use only approved nonconducting ... the machine before beginning any repairs. D. Open the supply circuits and tag the switches.

Last Answer : Answer: D

When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors are tight B. test each resistor and capacitor on the card with an ohmmeter C. check the continuity of all printed circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit

Description : When troubleshooting a console circuit card suspected of being faulty, first check operating voltages, clean the card and then _________________. A. make sure wired connections and push-on connectors ... circuit traces with an ohmmeter D. measure the gain of each transistor or integrated circuit

Last Answer : Answer: A

Proper storage battery maintenance includes ____________. A. keeping connections tight and casing surfaces clean B. making sure electrolyte level is below the separator plates C. insulating the terminals with naval jelly D. maintaining a high charging rate at all times

Description : Proper storage battery maintenance includes ____________. A. keeping connections tight and casing surfaces clean B. making sure electrolyte level is below the separator plates C. insulating the terminals with naval jelly D. maintaining a high charging rate at all times

Last Answer : Answer: A

If the motor shown in the illustration will not start when 'Q' is depressed, which of the listed components should be checked FIRST? EL-0017 A. Fuses 'F-1' and 'F-2'. B. Operating coil 'C'. C. Contacts 'H-1', 'H-2', and 'H-3'. D. Contact 'H-4'.

Description : If the motor shown in the illustration will not start when 'Q' is depressed, which of the listed components should be checked FIRST? EL-0017 A. Fuses 'F-1' and 'F-2'. B. Operating coil 'C'. C. Contacts 'H-1', 'H-2', and 'H-3'. D. Contact 'H-4'.

Last Answer : Answer: A

In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, Federal Regulations (46 CFR) require the maximum fuse rating for that branch to be _________. EL-0013 A. 80% of the connected load B. 15 amps C. 20 amps D. 30 amps

Description : In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, Federal Regulations (46 CFR) require the maximum fuse rating for that branch to be _________. EL-0013 A. 80% of the connected load B. 15 amps C. 20 amps D. 30 amps

Last Answer : Answer: C

In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, 46 CFR requires the maximum fuse rating for that branch to be _________. EL-0013 A. 15 amps B. 80% of the connected load C. 20 amps D. 30 amps

Description : In the illustration if BRANCH NO. 1 is a lighting circuit for crew's berthing, 46 CFR requires the maximum fuse rating for that branch to be _________. EL-0013 A. 15 amps B. 80% of the connected load C. 20 amps D. 30 amps

Last Answer : Answer: C

Using a fuse whose rating is higher than necessary ________. A. endangers the apparatus it is supposed to protect B. reduces the possibility of short circuits C. increases the efficiency of the equipment by allowing more current to be used D. wastes money because they are more expensive

Description : Using a fuse whose rating is higher than necessary ________. A. endangers the apparatus it is supposed to protect B. reduces the possibility of short circuits C. increases the efficiency of the equipment by allowing more current to be used D. wastes money because they are more expensive

Last Answer : Answer: A

A fuse that blows often should be replaced only with a fuse of _____________. A. the recommended current and voltage rating B. higher current and voltage rating C. higher current and lower voltage rating D. lower current and higher voltage rating

Description : A fuse that blows often should be replaced only with a fuse of _____________. A. the recommended current and voltage rating B. higher current and voltage rating C. higher current and lower voltage rating D. lower current and higher voltage rating

Last Answer : Answer: A

What is the rating of generator PT fuse?

Description : What is the rating of generator PT fuse?

Last Answer : 24 kV, 3.15 Amps.  

The rating of fuse wire is always expressed in

Description : The rating of fuse wire is always expressed in   (a) volts (b) amperes (c) ampere-volt (d) ampere-hours 

Last Answer : The rating of fuse wire is always expressed in Amperes 

What is the fate of the male gametes discharged in the synergid? (a) One fuses with the egg and other fuses with central cell nuclei. (b) One fuses with the egg, other(s) degenerates in the synergid. (c) All fuse with the egg. (d) One fuses with the egg, other(s) fuse(s) with synergid nucleus.

Description : What is the fate of the male gametes discharged in the synergid? (a) One fuses with the egg and other fuses with central cell nuclei. (b) One fuses with the egg, other(s) degenerates in the synergid. (c) All fuse with the egg. (d) One fuses with the egg, other(s) fuse(s) with synergid nucleus.

Last Answer : (a) One fuses with the egg and other fuses with central cell nuclei.

If a magnetic controller contact fails to pick up when the operating coil is energized, one possible cause may be _______________. A. low spring pressure B. low voltage to the coil C. the residual magnetism of the contact faces D. dirty contact faces

Description : If a magnetic controller contact fails to pick up when the operating coil is energized, one possible cause may be _______________. A. low spring pressure B. low voltage to the coil C. the residual magnetism of the contact faces D. dirty contact faces

Last Answer : Answer: B

How do I release a screw whose head is flush with the surface and the notch is so worn down that the screwdriver can't make contact?

Description : How do I release a screw whose head is flush with the surface and the notch is so worn down that the screwdriver can't make contact?

Last Answer : Sometimes I have had success re- tapping the head of the screw. Using a hammer and screwdriver like a chisel. Also a but of wd-40 under the screw helps.

Can I put a dirty Rubber Mat in Washing Machine for cleaning?

Description : Can I put a dirty Rubber Mat in Washing Machine for cleaning?

Last Answer : You can but its not recommended damage to the rubber mat woould probably occur,and not to mention the possuble damage to your machine.

List the safety precautions to be observed when replacing a fuse.

Description : List the safety precautions to be observed when replacing a fuse.

Last Answer : Be sure the power is off in the circuit and the circuit is discharged before replacing a fuse. Use an identical replacement fuse if possible. Remove any corrosion from the fuseholders before replacing the fuses.

What two things should you check before replacing a fuse?

Description : What two things should you check before replacing a fuse?

Last Answer : Check for the proper type of replacement fuse and proper fit.

Cables for 220 kV lines are invariably (a) mica insulated (b) paper insulated (c) compressed oil or compressed gas insulated (d) rubber insulated (e) none of the above

Description : Cables for 220 kV lines are invariably (a) mica insulated (b) paper insulated (c) compressed oil or compressed gas insulated (d) rubber insulated (e) none of the above

Last Answer : (c) compressed oil or compressed gas insulated

Pick out the correct statement. (A) If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase (B) A process is irreversible as long as Δ S for the system is greater than zero (C) The mechanical work done by a system is always equal to∫P.dV (D) The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants

Description : Pick out the correct statement. (A) If an insoluble gas is passed through a volatile liquid placed in a perfectly insulated container, the temperature of the liquid will increase (B) A ... compound is defined as the heat of reaction leading to the formation of the compound from its reactants

Last Answer : (D) The heat of formation of a compound is defined as the heat of reaction leading to the formation of the compound from its reactants

A motor enclosure which protects against falling liquids is classified as ____________. A. waterproof B. drip proof C. spray tight D. spray proof

Description : A motor enclosure which protects against falling liquids is classified as ____________. A. waterproof B. drip proof C. spray tight D. spray proof

Last Answer : Answer: B

Do you use rubber gloves when cooking?

Description : Do you use rubber gloves when cooking?

Last Answer : Nope, I’m comfortable with my own microbiotics.

Why do Electricians use rubber gloves while working? -Do You Know?

Description : Why do Electricians use rubber gloves while working? -Do You Know?

Last Answer : answer:

Electricians use rubber gloves while working because - (1) rubber is an insulator (2) rubber is a good conductor (3) wearing rubber gloves is mandatory (4) rubber makes work easy

Description : Electricians use rubber gloves while working because - (1) rubber is an insulator (2) rubber is a good conductor (3) wearing rubber gloves is mandatory (4) rubber makes work easy

Last Answer : (1) rubber is an insulator

Why do Electricians use rubber gloves while working?

Description : Why do Electricians use rubber gloves while working?

Last Answer : Rubber is an insulator

What is to be done with instruments after surgically treating a patient with confirmed diagnosis of hepatitis B,** A. Soak them in hypochlorite solution “Milton” B. Sterilize, scrub and sterilize C. Handle them with two pairs of household rubber gloves D. Scrub them with iodine surgical solution

Description : What is to be done with instruments after surgically treating a patient with confirmed diagnosis of hepatitis B,** A. Soak them in hypochlorite solution Milton B. Sterilize, scrub ... Handle them with two pairs of household rubber gloves D. Scrub them with iodine surgical solution

Last Answer : B. Sterilize, scrub and sterilize