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WorksheetsPre Quiz - 06th Aug_BILF
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
What is the purity of our copper conductor?
a)
98%
b)
99%
c)
99.98%
d)
101%
2.
What Does PVC Stand for?
a)
Post varnish conductor
b)
Polyvinyl chloride
c)
Pressed and varnished cloth
d)
Positive voltage conductor
3.
Resistance of conductor is Inversely proportional to ____ ?
a)
Diameter of conductor
b)
Length of conductor
c)
Cross sectional area of conductor
d)
All of Above
4.
Inductive sensors are used for?
a)
sense the any object
b)
sense the Nonmetallic object only
c)
sense the metallic object only
d)
None
5.
What is the Ingress Protection offered in standard proximity sensor ?
a)
IP-20
b)
IP-40
c)
IP-42
d)
IP-67
6.
What is Maximum timing of the BTR17 Series ON Delay Timer?
a)
10 Hr
b)
100 Hr
c)
30 Hr
d)
20 Hr
7.
How many functions are available in the BTR 17 Series Multifunction Timer ?
a)
6 nos
b)
8 nos
c)
4 nos
d)
12 nos
8.
What is the maximum rating of motor offered by BCH?
a)
425 HP
b)
450 HP
c)
475 HP
d)
495 HP
9.
What is class of insulation used in BCH motors as standard?
a)
Class E
b)
Class F
c)
Class G
d)
Class H
10.
BCH motors are:
a)
TEFC sq. cage induction motors
b)
Slip Ring Motor
c)
Synchronous motors
d)
DC Series Motor
11.
What is the standard paint shade for BCH enclosure system
a)
STR. RAL-7035
b)
Smooth RAL-7035
c)
Smooth RAL-7032
d)
STR.RAL-7032
12.
In BCH Enclosure, What will be possible maximum Ingress Protection (IP)
a)
IP 70
b)
IP 66
c)
IP 68
d)
IP 59
13.
What type of gasket, We are using in BCH enclosures
a)
EPDM
b)
Neoprene
c)
PU
d)
Rubber
14.
MCB are not design to give protection against
a)
Overload
b)
Short circuit
c)
Overcurrent
d)
Leakage Current
15.
What is the magnetic pick up band of B curve MCB?
a)
3In - 5In
b)
4In - 5In
c)
8In - 10In
d)
5In - 10In
16.
On which principle RCCB works
a)
Ohms Law
b)
Incoming Current = Outgoing Current
c)
Incoming Current ≠ Outgoing Current
d)
None of these
17.
Starting Current of 3 Phase Induction Motor ??
a)
2 times of running current
b)
4 times of running current
c)
6 to 8 times of running current
d)
12 times of running current
18.
Which Utilization category is suitable for starting, plugging, inching operation ?
a)
AC1
b)
AC3
c)
AC4
d)
AC5
19.
MPCB can not provide this protection to Motor
a)
Overload
b)
Short Circuit
c)
Phase Loss
d)
Phase reversal
20.
What is the Pollution degree for BCH Ultra Power ACB
a)
II
b)
III
c)
IV
d)
None of these
21.
In Air Circuit Breaker, EPI stands for-
a)
Electrical Position Indication
b)
Electrical Positive Indication
c)
Electronics Position Indication
d)
Electrical Position Identification
22.
What is the break/Opening time of Ultra Power ACB
a)
10ms
b)
25ms
c)
50ms
d)
60ms
23.
BCH DC mill duty contactors are available in ratings
a)
15A to 600A
b)
100A to 400A
c)
50A to 300A
d)
10A to 200A
24.
BCH FSG foot switches are available with protection of
a)
IP 67
b)
IP 54
c)
IP 42
d)
IP 55
25.
BCH DC Electromagnetic shunt brake has range from
a)
150mm to 800mm size
b)
100mm to 250mm size
c)
250mm to 1000mm size
d)
4 inches to 7inches
26.
In the BPX Plug and Socket Range, what are the IP rating we offer?
a)
IP44 Only
b)
IP67 Only
c)
IP44 and IP67 Both
d)
None of these
27.
KRTPN timers are of following type
a)
electromagnetic
b)
hydraulic
c)
electronic
d)
pneumatic
28.
Which types of capacitor, we offer
a)
MPP Capacitor Only
b)
APP Capacitor Only
c)
Both Type
d)
None of these
29.
Power factor can be improved by connecting
a)
Capacitors
b)
Inductors
c)
Resistor
d)
None of these
30.
Which type of Contactor used for Capacitor Switching ?
a)
Power Contactor
b)
Control Contactor
c)
Capacitor Duty Contactor
d)
Any One of these
31.
In which year, BCH Company established ?
a)
1977
b)
1965
c)
1945
d)
1975
32.
How many manufacturing plants does BCH have?
a)
1
b)
2
c)
3
d)
4
33.
Ics stands for
a)
Rated Ultimate Short Circuit Breaking Capacity
b)
Rated Service Short Circuit Breaking Capacity
c)
Rated Short Circuit Withstand Capacity
d)
Rated Nominal Voltage
34.
Operating Sequence of Icu
a)
O-CO-CO-CO
b)
O-CO
c)
O-CO-CO
d)
O-C-O-C-O
35.
What is Un in switchgear terminology?
a)
Rated operational voltage
b)
Rated impulse withstand voltage
c)
Rated nominal voltage
d)
Rated insulation withstand voltage
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