The under voltage relay can be used for

Admittance relay is _______ relay.

A

impedance

B

directional

C

non-directional

D

none of the above

In order that current should flow without causing excessive heating or voltage drop, the relay contacts should

A

Have low contact resistance

B

Be clean and smooth

C

Be of sufficient size and proper shape

D

Have all above properties

Electrical contact materials used in switches, brushes, relay must possess

A

High thermal conductivity and high melting point

B

Low thermal conductivity and low melting pointL

C

High thermal conductivity and low melting point

D

Low thermal conductivity and high melting point

How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?

A

Configure a separate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface.

B

Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.

C

Configure many subinterfaces in the same subnet.

D

Configure a single subinterface to establish multiple PVC connections to multiple remote router interfaces.

Relay ladder logic is used in a PC because:

A

it is impossible to write a control program for a machine in any other logic

B

it is the best industrial control language ever developed.

C

most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use

D

All of the above

E

None of the above

A Buchholz relay can be installed on

A

auto-transformers

B

air-cooled transformers

C

welding transformers

D

oil cooled transformers

Transformer Protection জন্য বহুল ব্যবহৃত Buchholz Relay কোনটি দ্বারা Actuate করা হয়?

A

Current

B

Voltage

C

Frequency

D

Pressure

When →aauniversity formulated →bnew regulations it →cmust relay →dits decision to the studets. →eNo error

A

a

B

b

C

c

D

d

When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?

A

Supplied by the CSU\/DSU

B

By the far end router

C

By the clock rate command

D

By the Physical layer bits stream timing

You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?

A

Router (config-if) #encapsulation frame-relay q933a

B

Router (config - if) #encapsulation frame-relay ansi

C

Router (config - if) #encapsulation frame-relay ietf

D

Router (config - if) #encapsulation frame-relay cisco

The under voltage relay can be used for

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