A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 8, f = 50 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

P = 8, f = 50 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

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SSC JE Electrical 2019 with solution SET-1
Lamp efficiency is measured in

Lux/watt

Lumen/watt

Lumen/lux

Candela/watt

Lux/watt

Lumen/watt

Lumen/lux

Candela/watt

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SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

50Hz

25Hz

2.5Hz

5Hz

50Hz

25Hz

2.5Hz

5Hz

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SSC JE Electrical 2019 with solution SET-1
In the below circuit, X = ?

A + B

A

A.B

B

A + B

A

A.B

B

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SSC JE Electrical 2019 with solution SET-1
In the circuit shown, if R = 0, then the phase angle between v(t) and i(t) is

0°

60°

90°

30°

0°

60°

90°

30°

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SSC JE Electrical 2019 with solution SET-1
Which of the following should be used under no-load conditions?

Rewireable fuse

Circuit breaker

Air-break switch

Isolator

Rewireable fuse

Circuit breaker

Air-break switch

Isolator

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1 Lamp efficiency is measured in

SSC JE Electrical 2019 with solution SET-1 Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1 In the below circuit, X = ?

SSC JE Electrical 2019 with solution SET-1 In the circuit shown, if R = 0, then the phase angle between v(t) and i(t) is

SSC JE Electrical 2019 with solution SET-1 Which of the following should be used under no-load conditions?

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1
Lamp efficiency is measured in

SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1
In the below circuit, X = ?

SSC JE Electrical 2019 with solution SET-1
In the circuit shown, if R = 0, then the phase angle between v(t) and i(t) is

SSC JE Electrical 2019 with solution SET-1
Which of the following should be used under no-load conditions?