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WorksheetsPost Quiz - Day 1 - ACB, MCCB and SDF
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
What is the entire range of Ultra power ACBs available with BCH?
a)
800A - 6300A
b)
800A - 4000A
c)
1000A - 4000A
d)
1000A - 3200A
2.
For conversion of MDO to EDO version in Ultra power ACBs simply add……
a)
Electrical closing device (ECD)
b)
Shunt release (SR)
c)
Closing release (CR)
d)
All of the above
3.
Entire range of Ultra power ACBs is having
a)
Icu=Ics=Icw for 1 sec
b)
Ics=50%Icu @ 415/440V
c)
Ics=Icw= 50% Icu
d)
None of the above
4.
Which type of BU-BTX protection releases having inbuild harmonics measurement ?
a)
BTX 1.5Gi
b)
BTX 3.5
c)
BTX 3.5H
d)
None of the above
5.
In India, ACB's & MCCB's are tested & certified as per which standard ?
a)
IS/IEC 60947-2
b)
IS/IEC 60947-3
c)
IS/IEC 60947-1
d)
IS/IEC 60947-4
6.
MCCB can be used for protection against which type of fault(s)
a)
Short circuit fault only
b)
Overload fault only
c)
Earth Fault only
d)
All of above
7.
Which Circuit breaker are 'TYPE - B' Category ?
a)
MCB
b)
MCCB
c)
ACB
d)
All of the above
8.
What of the following user friendly feature(s) available of Ultra power ACBs ?
a)
Common depth & height
b)
Modular & Snap fit accessories
c)
User friendly Arc-Chutes
d)
All of the above
9.
Entire X - range of MCCBs are…..breakers.
a)
Voltage Limiting
b)
Power Limiting
c)
Current Limiting
d)
None of the above
10.
Which of the following feature(s) are available in our X- range of MCCBs ?
a)
Line load interchangeability
b)
Suitable for isolation
c)
Double Isolation
d)
All of the above
11.
What is testing sequence to define the service breaking capacity (Ics) of a circuit breaker ?
a)
O-CO
b)
O-CO-CO
c)
O-CO-CO-CO
d)
O-C-CO
12.
Ultra Power ACBs are suitable for Polution degree ______?
a)
3
b)
4
c)
2
d)
1
13.
Which range of below MCCB manufactured in our BCH Plant ?
a)
XA RANGE
b)
XF RANGE
c)
XB RANGE
d)
XG RANGE
14.
Zone Selectove Interlocking (ZSI) available in ______ Protection release?
a)
BU-BTX 1.0
b)
BU-BTX 1G
c)
BU-BTX 1.5G
d)
BU-BTX 1.5Gi/1Gi
15.
In How many frame we offer SDF
a)
2
b)
3
c)
4
d)
5
16.
Can we use our SDF in 690V AC Application
a)
Yes
b)
NO
17.
Which utilization category we offer in our SDF
a)
AC-22A
b)
AC-22B
c)
AC-23A
d)
AC-23B
18.
Is it possible to use SDF without Fuse in Feeder
a)
Yes
b)
No
19.
What is the IEC Standard for SDF
a)
IEC 60947-2
b)
IEC 60947-3
c)
IEC 60947-4
d)
IEC 60947-5
20.
Is SDF and SFU are same
a)
Yes
b)
No
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