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MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1)
Fill in the blanks with suitable Article from the given alternatives.
Bread is ___ predominant food prepared from a dough of flour and water

a
No article
an
the

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MGVCL Exam Paper (30-07-2021 Shift 1)
Choose the best option from the given alternatives which can be substituted for the given word/sentence

A disease prevailing in a locality

Host
Epic
Habitat
Endemic

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MGVCL Exam Paper (30-07-2021 Shift 1)
The operating system is the most common type of ___

Communication
System Software
Firmware
Application Software

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MGVCL Exam Paper (30-07-2021 Shift 1)
The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running?

4%, 1455 rpm
3%, 1455 rpm
3%, 1440 rpm
4%, 1440 rpm

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Rotor frequency, f_r = s*f_s
s = 2/50
s = 0.04

Ns = 120f/P
Ns = 1500 rpm
s = (Ns - Nr)/Ns
Nr = Ns(1 - s)
Nr = 1500*(1 - 0.04)
Nr = 1440 rpm

MGVCL Exam Paper (30-07-2021 Shift 1)
An alternator is supplying load of 300 kW at a power factor of 0.5 lagging. If the power factor is raised to unity, how many more kilowatts can alternator supply for the same kVA loading?

300 kW
150 kW
600 kW
450 kW

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P = S*cosφ
S = P/cosφ
S = 300/0.5
S = 600 kVA
For same kVA rating and unity power factor,
P = 600*1
P = 600 kW
Pextra = 600 - 300
Pextra = 300 kW

MGVCL Exam Paper (30-07-2021 Shift 1)
A new generation of smart meters is known as ____

SMETS1
SMETS4
SMETS2
SMETS3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The second generation of smart meters are known as SMETS 2.
Full form of SMET is Smart Metering Equipment Technical Specifications.
It is with the previous generation known as SMETS 1.
SMETS 2 smart meters were introduced in 2018.

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