Answer:
One sheave means that you are using a single drum winder. They are the worst! Double drum winders control easier, brake better and are much more efficient. They save time ( two skips or cages) and can be clutched to perform faster shift transport. A single drum is slow, unbalanced and can be a nightmare if it trips out during hoisting. If the brake system is not perfect it can be a real hairy experience. For a runaway single drum, there is no counterbalance effect. It always runs to destruction. With a double drum, the driver still has a chance to control the winder to a certain extent and he has two sets of brakes to rely on. A single sheave could also mean a shaft with a single compartment. No second means of escape unless there are ladders or stairways. Not a very healthy situation.
Those are just a few points. I am sure much more can be said in favor of a double drum winder and two or more sheaves in the headgear. Most of the shafts I have worked at have multiple winders and up to ten compartments. They all have a small single drum service winder for emergencies and moves of personnel during shift times. They are referred to as the Mary - Annes. Apparently, the name originated in the U.K. where an aristocratic mine owner named the first such winder after his mistress.
Explanation:
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<em>♡</em>Challenges for Multimedia Systems♡
- Sequencing within the media -- playing frames in correct order/time frame in video.
- Sequencing within the media -- playing frames in correct order/time frame in video.Synchronisation -- inter-media scheduling (e.g. Video and Audio).
- Lip synchronisation is clearly important for humans to watch playback of video and audio and even animation and audio.
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Answer:
The answer to this question is given below is the explanation section.
Explanation:
"A" option is correct
It helps the router know where to send the packet.
Answer:
The certification developed by the SANS is GIAC certification .In this there are 3 certification GSEC,GISF and GCED .The description of these certification is given below .
Explanation:
The GIAC certification course is providing the knowledge of the security like cryptography ,networkig knowledge etc .
GSEC:The GSEC Certification is the certification of the security.It simply means this certification certified about the security risk in the computer system .
GISF: This certification gives the knowledge of the networking as well as the security in the computer system also it gives the knowledge of the cryptography.
GCED :This certification is also providing the knowledge of security as well as networking.
Difference between GIAC and InfoSec certifications is given below
- The SANS certification is giving the knowledge about the security risk as well as cryptography by the professional where as the InfoSec certifications providing the knowledge of the hacking by the professional .
- The SANS is including the certification of GIAC certification where as the InfoSec certifications is including the CISSP and SSCP certification .
