replace florescent ballast

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How to Replace a Fluorescent Light Ballast ?

Description : How to Replace a Fluorescent Light Ballast ?

Last Answer : How to Replace a Fluorescent Light Ballast You can count on fluorescent bulbs to shine brightly for different areas in your home, but they need to be replaced every now and then. Sometimes though, the ... time by replacing the ballast. Just follow these easy tips and you'll do this in no time.

What is the material used in florescent tube?

Description : What is the material used in florescent tube?

Last Answer : The fluorescent tube is filled with argon gas at law pressure and some mercury after evacuating the tube. This argon gas gives initial starting at quick manner. Initially the mercury is in the ... liquid takes globules mercury changes into vapour form and takes over the conduction of the current.

On which products is Labeling Voluntary a) Direct cool Refrigerator b) Ceiling fans c) Colour TV d) Tubular Florescent Lamps

Description : On which products is Labeling Voluntary a) Direct cool Refrigerator b) Ceiling fans c) Colour TV d) Tubular Florescent Lamps

Last Answer : ceiling fans

Sand may be used as ballast for A. Wooden sleeper B. Cast iron sleeper C. Steel sleeper D. None of These

Description : Sand may be used as ballast for A. Wooden sleeper B. Cast iron sleeper C. Steel sleeper D. None of These

Last Answer : B [Cast iron sleeper]

Best ballast contains stones varying in size from A. 1 to 4 cm B. 1.5 to 4.5 cm C. 2 to 5 cm D. 3 to 6 cm

Description : Best ballast contains stones varying in size from A. 1 to 4 cm B. 1.5 to 4.5 cm C. 2 to 5 cm D. 3 to 6 cm

Last Answer : C [2 to 5 cm]

Boxing of ballast is done A. Under the rail B. At the rail C. In between two rail D. In between two sleeper

Description : Boxing of ballast is done A. Under the rail B. At the rail C. In between two rail D. In between two sleeper

Last Answer : B [At the rail]

Minimum depth of ballast prescribed of Broad Gauge trunk lines of Indian Railways, is A. 20 cm B. 25 cm C. 30 cm D. 35 cm

Description : Minimum depth of ballast prescribed of Broad Gauge trunk lines of Indian Railways, is A. 20 cm B. 25 cm C. 30 cm D. 35 cm

Last Answer : B [25 cm]

When a fluorescent lamp fails to light, the trouble can be in the _____________. A. lamp B. starter C. ballast D. all of the above

Description : When a fluorescent lamp fails to light, the trouble can be in the _____________. A. lamp B. starter C. ballast D. all of the above

Last Answer : Answer: D

When a fluorescent lamp has reached the end of its useful life, it should be replaced immediately, or the resultant flashing may _____________. A. blow the lamp's circuit breaker B. explode, causing glass to fly in all directions C. short circuit the ballast transformer D. damage the starter and the ballast

Description : When a fluorescent lamp has reached the end of its useful life, it should be replaced immediately, or the resultant flashing may _____________. A. blow the lamp's circuit breaker B. explode, ... fly in all directions C. short circuit the ballast transformer D. damage the starter and the ballast

Last Answer : Answer: D

Which of the following components are used to assemble a fluorescent lighting system? A. Lamp B. Starter C. Ballast D. All of the above

Description : Which of the following components are used to assemble a fluorescent lighting system? A. Lamp B. Starter C. Ballast D. All of the above

Last Answer : Answer: D

Which component of the circuit shown in the illustration is the ballast? EL-0081 A. A B. B C. C D. D

Description : Which component of the circuit shown in the illustration is the ballast? EL-0081 A. A B. B C. C D. D

Last Answer : Answer: A

The device shown in the illustration is a/an ____________. EL-0083 A. noise filtering choke B. autotransformer C. fluorescent light ballast D. power factor correction inductor

Description : The device shown in the illustration is a/an ____________. EL-0083 A. noise filtering choke B. autotransformer C. fluorescent light ballast D. power factor correction inductor

Last Answer : Answer: B

How does ballast-less track provide safe travel?

Description : How does ballast-less track provide safe travel?

Last Answer : ANSWER I: Ballast is a prime component of the track that acts as a vibrant medium to transmit from the rail surface the weight of the train down to the formation, the wells set on ... cost involved in laying a ballast-less track is more initially but it requires less recurring maintenance cost.

__________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

Description : __________ circuit is most commonly used to measure strain with the help of a strain gauge. (A) Ballast (B) Voltage balancing potentiometric (C) Simple current sensitive (D) None of these

Last Answer : Option B

The stones obtained by blasting are used as (A) Ballast in railways (B) Aggregates for concrete (C) Road metal (D) All the above

Description : The stones obtained by blasting are used as (A) Ballast in railways (B) Aggregates for concrete (C) Road metal (D) All the above

Last Answer : Answer: Option D

On which Following products is labelling not Voluntary a) Colour TV c) Ceiling fans b) Ballast d) Induction motors

Description : On which Following products is labelling not Voluntary a) Colour TV c) Ceiling fans b) Ballast d) Induction motors

Last Answer : Colour TV

Product on which labelling is mandatory..... iii. Electric Geysers. B) LPG Stoves iv. Ballast. D) Colour TV

Description : Product on which labelling is mandatory..... iii. Electric Geysers. B) LPG Stoves iv. Ballast. D) Colour TV

Last Answer : COLOUR TV

On which Product is Labeling mandatory a) Colour TV b) LPG stoves c) Ballast d) Office Equipments

Description : On which Product is Labeling mandatory a) Colour TV b) LPG stoves c) Ballast d) Office Equipments

Last Answer : colour tv

………….. product on which labeling is voluntary. A. LPG stoves C. laptops B. Ballast D. All of above

Description : ………….. product on which labeling is voluntary. A. LPG stoves C. laptops B. Ballast D. All of above

Last Answer : all of above

Formula for adding weight (ballast) on tractor tyres working in loose wet soil for good traction a)(km/hr × kg/PTO kw)=540 b)( km/hr × kg/PTO kw)=670 c)( km/hr × kg/PTO HP)=540 d)( km/hr × kg/PTO HP)=670

Description : Formula for adding weight (ballast) on tractor tyres working in loose wet soil for good traction a)(km/hr × kg/PTO kw)=540 b)( km/hr × kg/PTO kw)=670 c)( km/hr × kg/PTO HP)=540 d)( km/hr × kg/PTO HP)=670

Last Answer : a)(km/hr × kg/PTO kw)=540

Stone generally preferred for railway ballast is a) Sandstone b) Dolomite c) Marble d) Basalt or trap granite*

Description : Stone generally preferred for railway ballast is a) Sandstone b) Dolomite c) Marble d) Basalt or trap granite*

Last Answer : d) Basalt or trap granite*

For laying a Railway track the prepared surface ready to receive the ballast is called a) Sub ballast b) Formation* c) Blanket d) Cushion

Description : For laying a Railway track the prepared surface ready to receive the ballast is called a) Sub ballast b) Formation* c) Blanket d) Cushion

Last Answer : b) Formation*

Cross slope of the formation to have good drainage of Ballast section is a) 1 in 40* b) 1 in 50 c) 1 in 30 d) 1 in 20

Description : Cross slope of the formation to have good drainage of Ballast section is a) 1 in 40* b) 1 in 50 c) 1 in 30 d) 1 in 20

Last Answer : a) 1 in 40*

In case of LWR track, full ballast section as specified in LWR Manual should be provided up to ……….. from the bridge abutment. a) 200 m b) 50 m c) 300 m d) 100 m*

Description : In case of LWR track, full ballast section as specified in LWR Manual should be provided up to ……….. from the bridge abutment. a) 200 m b) 50 m c) 300 m d) 100 m*

Last Answer : d) 100 m

Wing walls and return walls are provided to retain a) earth on approaches b) ballast c) track on approaches d) none

Description : Wing walls and return walls are provided to retain a) earth on approaches b) ballast c) track on approaches d) none

Last Answer : a) earth on approaches

Track structure for CC+8 t+ 2 t loaded trains is:- (a) 52 Kg 90 UTS;PSC 1540 sleepers/ Km.; 250 mm ballast. (b) 60 Kg 90 UTS;PSC 1660 sleepers/ Km.; 300 mm ballast.* (c) 52 Kg 72 UTS;PSC 1540 sleepers/ Km.; 300 mm ballast. (d) 90 R;PSC 1340 sleepers/ Km.; 250 mm ballast.

Description : Track structure for CC+8 t+ 2 t loaded trains is:- (a) 52 Kg 90 UTS;PSC 1540 sleepers/ Km.; 250 mm ballast. (b) 60 Kg 90 UTS;PSC 1660 sleepers/ Km.; 300 mm ballast.* (c) 52 Kg 72 UTS;PSC 1540 sleepers/ Km.; 300 mm ballast. (d) 90 R;PSC 1340 sleepers/ Km.; 250 mm ballast.

Last Answer : b) 60 Kg 90 UTS;PSC 1660 sleepers/ Km.; 300 mm ballast.*

Minimum depth of ballast cushion below the bottom of sleeper at the rail seat on BG group A route should be :- (a) 350 mm. (b) 250 mm. (c) 300 mm.* (d) 325 mm.

Description : Minimum depth of ballast cushion below the bottom of sleeper at the rail seat on BG group A route should be :- (a) 350 mm. (b) 250 mm. (c) 300 mm.* (d) 325 mm.

Last Answer : (c) 300 mm.*

Mickey is fishing from his row boat at his favorite spot in the lake. He has a large rock in the bottom of the boat for stability and ballast. Mickey decides to call it quits. To lighten his load, he tosses the rock overboard before rowing to shore. Does the water level of the lake: w) go up x) go down y) remain the same

Description : Mickey is fishing from his row boat at his favorite spot in the lake. He has a large rock in the bottom of the boat for stability and ballast. Mickey decides to call it quits. To lighten his load, he tosses the ... to shore. Does the water level of the lake: w) go up x) go down y) remain the same

Last Answer : ANSWER: X -- GO DOWN

State advantages of electronic ballast compare to electrical ballast.

Description : State advantages of electronic ballast compare to electrical ballast.

Last Answer : advantages of electronic ballast compare to electrical ballast: 1. Instant light 2. Lighter in weight 3. power saving is up to 35% 4. Heat output is negligible, that reduces load on air conditioning. 5. Improved power factor 6. Operates at low voltage 7. Enhances life of lamp

When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when:

Description : When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when:  a) Static strain are being measured b) Dynamic strain are being measured c) Both Static and dynamic strain are being measured d) None of the above

Last Answer : When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when: Dynamic strain are being measured