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What is the difference between attenuation and insertion loss?
In CATV system, insertion loss define as loss in directional coupler or TAP connector. typically 1 dBuv, while attenuation is generally describe as loss in transmission (splitter).
What is plain tap?
this used where the tap wire is under considerable tensile stress circuit
What is off load tap change?
Tap changer is a device that is used to change the secondary voltage on transformers. It is normally on the HV winding of the transformer. Off load tap changer is designed to change the taps only when the transformer is not charged, while on load tap changer is capable of changing the tap on load too.
What is the difference between off load tap changer and on load tap changer?
An on-load tap-changer must not break the supply to the transformer's windings while the transformer is on load. So it has a 'make-before-break' arrangement with its contacts -i.e. one contact moves to the second tap setting, before the second contact moves away from the first tap setting, while a reactor balances the load currents when the contacts are on different tap settings. An on-load tap changer is motor-driven, and can be operated automatically or manually.An off-load tap-changer does not require a make-before-break arrangement, because it is designed to be operated when the transformer is disconnected.
What is on load tap chenger?
A tap changer is used to vary the turns ration between the windings of a transformer to make minor changes to the secondary voltage. An on-load tap changer enables the turns ratio to be altered without disconnecting the transformer. An off-load tap changer requires the transformer to be temporarily diconnected. On-load tap changers are installed on the high-voltage side of the transformer, where the current is lower.
How can you re-thread a cast iron cleanout in slab?
Get a TAP the size of the CO opening
How do you tap a hole for an EGR pipe into the head on a JDM EJ25?
acquire correct tap from hardware or automotive supplier. Drill smaller hole through EGR port boss on head. Drill larger hole , size stated on tap to same depth as on intake port. then tap. If metric thread tap cannot be acquired a tapered pipe thread tap will also work. Threads are very close and will seal because of taper.
How do you cut female thread?
In general a female thread is cut with a tap. A male thread is cut with a die.
How do you change from a pressed in rocker arm stud to a threaded one?
you have to remove the pressed in studs ,and tap the hole with the proper thread size for the threaded stud. this may require drilling the heads with the proper size drill, for the tap size you need. you must make sure that the new threaded studs are bigger than the pressed in ones, or you won't be able to thread the stud holes.
What are uses of tap?
Cutting a thread on a shaft
What drill bit size for .125 in. national pipe thread?
Use 7/64 as tap drill and 9/64 as clearance drill
What size drill bit for a seven sixteenth inch tap?
I use a 3/8 bit for tapping fine thread, or a 11/32 for coarse threads.
What size thread is an inflation needle?
As far as i can tell the thread is the same as on a Schrader valve which is: * Metric: 7.7 mm OD, thread root diameter is 6.9 mm x 0.794 mm pitch. * English: 0.305 in OD, thread root diameter 0.302 in x 32 tpi (threads per inch) Now where do we find the tap for it?
How do you re thread spark plug hole on a 1998 Kia Sephia 4cly?
pick up the tool from kia parts usually you have to re tap it for a larger size insert or sleve to fit same size plug
What is NPT thread in engineering industries?
National Pipe Tap, the angled self sealing thread of a pipe fitting
What is the head bolt tap size for a 2000 Ford Windstar with a 3.8?
I am searching for same info for 1999. The 15mm bolts seem to be 11mm thread with a fine thread of 1.5 or 1.25.... or 1? looking to ford... then my local machine shop. good luck
What is a thread chaser?
A thread chaser is used to clean and restore damaged or dirty threads vs. a tap or, die which cuts threads.
