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In both induction and synchronous ac motors

Question: In both induction and synchronous ac motors
[A].

the operating speed is very steady

[B].

the stator magnetic field is stationary

[C].

the stator magnetic field rotates

[D].

the “squirrel cage” forms the rotor

Answer: Option C

Explanation:

No answer description available for this question.

In both induction and synchronous ac motors Read More »

Alternating Current And Voltage, Electronics

A transistor amplifier is operating in class A mode. If a transformer is connected for impedance matching, the efficiency will

Question: A transistor amplifier is operating in class A mode. If a transformer is connected for impedance matching, the efficiency will
[A].

increase

[B].

decrease

[C].

not be affected

[D].

increase or decrease

Answer: Option A

Explanation:

No answer description available for this question.

A transistor amplifier is operating in class A mode. If a transformer is connected for impedance matching, the efficiency will Read More »

Analog Electronics, Electronics And Communication Engineering

In figure, the magnitude of V

Question: In figure, the magnitude of V
[A].

must be more than that of Va

[B].

must be more than that of Vb

[C].

must be more than that of Va or Vb

[D].

can be equal to or less than or more than that of Va or Vb

Answer: Option D

Explanation:

V depends on magnitudes and phase angles of Va and Vb.

In figure, the magnitude of V Read More »

Electronics And Communication Engineering, Networks Analysis And Synthesis

A four-cylinder engine has a capacity of 2.4 litres. The swept volume of one cylinder is

Question: A four-cylinder engine has a capacity of 2.4 litres. The swept volume of one cylinder is
[A].

400 cm3

[B].

600 cm3

[C].

1200 cm3

[D].

2400 cm3

Answer: Option B

Explanation:

No answer description available for this question.

A four-cylinder engine has a capacity of 2.4 litres. The swept volume of one cylinder is Read More »

Automobile Engineering, Mechanical Engineering

You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?

Question: You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
[A].

show running-config

[B].

show startup-config

[C].

show interfaces

[D].

show protocols

Answer: Option C

Explanation:

The command show ip protocols will actually show you the broadcast address for each interface – too bad it isn’t a possible answer. Your best answer is show interfaces, which will provide the IP address and mask for each interface.

You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address? Read More »

Ios And Security Device Manager, Networking

In this context, “intelligent interpretation of current event” means

Question: In this context, “intelligent interpretation of current event” means
[A].

rational explanation of events

[B].

appropriate understanding of events

[C].

intellectual outlook on events

[D].

skilful interpretation of events

Answer: Option A

Explanation:

No answer description available for this question.

In this context, “intelligent interpretation of current event” means Read More »

Comprehension, Verbal Ability

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan

Question: Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
[A].

with greater number of blades.

[B].

of increased diameter.

[C].

both (a) & (b).

[D].

neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Read More »

CHEMICAL ENGINEERING, Environmental Engineering